diff --git a/src/components/ConfirmDialog.css b/src/components/ConfirmDialog.css
new file mode 100644
index 0000000..585da1b
--- /dev/null
+++ b/src/components/ConfirmDialog.css
@@ -0,0 +1,188 @@
+.confirm-dialog-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 2000;
+  backdrop-filter: blur(4px);
+  animation: fadeIn 0.2s ease-out;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+.confirm-dialog-content {
+  background: white;
+  border-radius: 16px;
+  width: 90%;
+  max-width: 420px;
+  padding: 32px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  text-align: center;
+}
+
+@keyframes slideUp {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.confirm-dialog-icon {
+  width: 80px;
+  height: 80px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 24px;
+}
+
+.confirm-dialog-icon.warning {
+  background: #fff7e6;
+  color: #fa8c16;
+}
+
+.confirm-dialog-icon.danger {
+  background: #fff2f0;
+  color: #ff4d4f;
+}
+
+.confirm-dialog-icon.info {
+  background: #e6f7ff;
+  color: #1890ff;
+}
+
+.confirm-dialog-body {
+  margin-bottom: 28px;
+}
+
+.confirm-dialog-title {
+  margin: 0 0 12px 0;
+  font-size: 20px;
+  font-weight: 600;
+  color: #262626;
+}
+
+.confirm-dialog-message {
+  margin: 0;
+  font-size: 15px;
+  color: #595959;
+  line-height: 1.6;
+}
+
+.confirm-dialog-actions {
+  display: flex;
+  gap: 12px;
+  width: 100%;
+}
+
+.confirm-dialog-btn {
+  flex: 1;
+  padding: 12px 24px;
+  border: none;
+  border-radius: 8px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.confirm-dialog-btn.cancel {
+  background: white;
+  color: #595959;
+  border: 1px solid #d9d9d9;
+}
+
+.confirm-dialog-btn.cancel:hover {
+  color: #262626;
+  border-color: #40a9ff;
+  background: #fafafa;
+}
+
+.confirm-dialog-btn.confirm.warning {
+  background: #fa8c16;
+  color: white;
+}
+
+.confirm-dialog-btn.confirm.warning:hover {
+  background: #ff9c2e;
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(250, 140, 22, 0.4);
+}
+
+.confirm-dialog-btn.confirm.danger {
+  background: #ff4d4f;
+  color: white;
+}
+
+.confirm-dialog-btn.confirm.danger:hover {
+  background: #ff7875;
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(255, 77, 79, 0.4);
+}
+
+.confirm-dialog-btn.confirm.info {
+  background: #1890ff;
+  color: white;
+}
+
+.confirm-dialog-btn.confirm.info:hover {
+  background: #40a9ff;
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(24, 144, 255, 0.4);
+}
+
+/* 响应式 */
+@media (max-width: 640px) {
+  .confirm-dialog-content {
+    width: 95%;
+    padding: 24px;
+  }
+
+  .confirm-dialog-icon {
+    width: 64px;
+    height: 64px;
+    margin-bottom: 20px;
+  }
+
+  .confirm-dialog-icon svg {
+    width: 36px;
+    height: 36px;
+  }
+
+  .confirm-dialog-title {
+    font-size: 18px;
+  }
+
+  .confirm-dialog-message {
+    font-size: 14px;
+  }
+
+  .confirm-dialog-actions {
+    flex-direction: column;
+  }
+
+  .confirm-dialog-btn {
+    width: 100%;
+  }
+}
diff --git a/src/components/ConfirmDialog.jsx b/src/components/ConfirmDialog.jsx
new file mode 100644
index 0000000..22f0f92
--- /dev/null
+++ b/src/components/ConfirmDialog.jsx
@@ -0,0 +1,53 @@
+import React from 'react';
+import { AlertTriangle } from 'lucide-react';
+import './ConfirmDialog.css';
+
+const ConfirmDialog = ({
+  isOpen,
+  onClose,
+  onConfirm,
+  title = '确认操作',
+  message,
+  confirmText = '确认',
+  cancelText = '取消',
+  type = 'warning' // 'warning', 'danger', 'info'
+}) => {
+  if (!isOpen) return null;
+
+  const handleConfirm = () => {
+    onConfirm();
+    onClose();
+  };
+
+  return (
+    <div className="confirm-dialog-overlay" onClick={onClose}>
+      <div className="confirm-dialog-content" onClick={(e) => e.stopPropagation()}>
+        <div className={`confirm-dialog-icon ${type}`}>
+          <AlertTriangle size={48} />
+        </div>
+
+        <div className="confirm-dialog-body">
+          <h3 className="confirm-dialog-title">{title}</h3>
+          <p className="confirm-dialog-message">{message}</p>
+        </div>
+
+        <div className="confirm-dialog-actions">
+          <button
+            className="confirm-dialog-btn cancel"
+            onClick={onClose}
+          >
+            {cancelText}
+          </button>
+          <button
+            className={`confirm-dialog-btn confirm ${type}`}
+            onClick={handleConfirm}
+          >
+            {confirmText}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default ConfirmDialog;
diff --git a/src/components/MeetingSummary.jsx b/src/components/MeetingSummary.jsx
index c0480c0..82b5517 100644
--- a/src/components/MeetingSummary.jsx
+++ b/src/components/MeetingSummary.jsx
@@ -12,7 +12,8 @@ const MeetingSummary = ({
   summaryHistory,
   isCreator,
   onOpenSummaryModal,
-  formatDateTime
+  formatDateTime,
+  showToast
 }) => {
   const exportRef = useRef(null);
 
@@ -24,12 +25,12 @@ const MeetingSummary = ({
                           (summaryHistory.length > 0 ? summaryHistory[0].content : null);
 
       if (!summaryContent) {
-        alert('暂无会议总结内容，请先生成AI总结。');
+        showToast?.('暂无会议总结内容，请先生成AI总结。', 'warning');
         return;
       }
 
       if (!exportRef.current) {
-        alert('内容尚未渲染完成，请稍后重试。');
+        showToast?.('内容尚未渲染完成，请稍后重试。', 'warning');
         return;
       }
 
@@ -195,7 +196,7 @@ const MeetingSummary = ({
 
     } catch (error) {
       console.error('图片导出失败:', error);
-      alert('图片导出失败，请重试。');
+      showToast?.('图片导出失败，请重试。', 'error');
     }
   };
 
diff --git a/src/components/MeetingTimeline.css b/src/components/MeetingTimeline.css
index 012cba9..25e2afc 100644
--- a/src/components/MeetingTimeline.css
+++ b/src/components/MeetingTimeline.css
@@ -83,6 +83,7 @@
 /* Meeting Cards */
 .meeting-card-wrapper {
   position: relative;
+  padding: 0 5px;
 }
 
 .meeting-card {
diff --git a/src/components/MeetingTimeline.jsx b/src/components/MeetingTimeline.jsx
index e9e6e5b..a991a3a 100644
--- a/src/components/MeetingTimeline.jsx
+++ b/src/components/MeetingTimeline.jsx
@@ -6,10 +6,11 @@ import remarkGfm from 'remark-gfm';
 import rehypeRaw from 'rehype-raw';
 import rehypeSanitize from 'rehype-sanitize';
 import TagDisplay from './TagDisplay';
+import ConfirmDialog from './ConfirmDialog';
 import './MeetingTimeline.css';
 
 const MeetingTimeline = ({ meetingsByDate, currentUser, onDeleteMeeting }) => {
-  const [showDeleteConfirm, setShowDeleteConfirm] = useState(null);
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
   const [showDropdown, setShowDropdown] = useState(null);
   const navigate = useNavigate();
   // Close dropdown when clicking outside
@@ -72,17 +73,20 @@ const MeetingTimeline = ({ meetingsByDate, currentUser, onDeleteMeeting }) => {
     setShowDropdown(null);
   };
 
-  const handleDeleteClick = (meetingId, e) => {
+  const handleDeleteClick = (meeting, e) => {
     e.preventDefault();
-    setShowDeleteConfirm(meetingId);
+    setDeleteConfirmInfo({
+      id: meeting.meeting_id,
+      title: meeting.title
+    });
     setShowDropdown(null);
   };
 
-  const handleConfirmDelete = async (meetingId) => {
-    if (onDeleteMeeting) {
-      await onDeleteMeeting(meetingId);
+  const handleConfirmDelete = async () => {
+    if (onDeleteMeeting && deleteConfirmInfo) {
+      await onDeleteMeeting(deleteConfirmInfo.id);
     }
-    setShowDeleteConfirm(null);
+    setDeleteConfirmInfo(null);
   };
 
   const toggleDropdown = (meetingId, e) => {
@@ -153,9 +157,9 @@ const MeetingTimeline = ({ meetingsByDate, currentUser, onDeleteMeeting }) => {
                                       <Edit size={16} />
                                       编辑
                                     </button>
-                                    <button 
+                                    <button
                                       className="dropdown-item delete-item"
-                                      onClick={(e) => handleDeleteClick(meeting.meeting_id, e)}
+                                      onClick={(e) => handleDeleteClick(meeting, e)}
                                     >
                                       <Trash2 size={16} />
                                       删除
@@ -225,36 +229,24 @@ const MeetingTimeline = ({ meetingsByDate, currentUser, onDeleteMeeting }) => {
                       </div>
                     </div>
                   </Link>
-                  
-                  {/* Delete Confirmation Modal */}
-                  {showDeleteConfirm === meeting.meeting_id && (
-                    <div className="delete-modal-overlay" onClick={() => setShowDeleteConfirm(null)}>
-                      <div className="delete-modal" onClick={(e) => e.stopPropagation()}>
-                        <h3>确认删除</h3>
-                        <p>确定要删除会议 "{meeting.title}" 吗？此操作无法撤销。</p>
-                        <div className="modal-actions">
-                          <button 
-                            className="btn-cancel"
-                            onClick={() => setShowDeleteConfirm(null)}
-                          >
-                            取消
-                          </button>
-                          <button 
-                            className="btn-delete"
-                            onClick={() => handleConfirmDelete(meeting.meeting_id)}
-                          >
-                            确定删除
-                          </button>
-                        </div>
-                      </div>
-                    </div>
-                  )}
                 </div>
               );
             })}
           </div>
         </div>
       ))}
+
+      {/* 删除会议确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={handleConfirmDelete}
+        title="删除会议"
+        message={`确定要删除会议"${deleteConfirmInfo?.title}"吗？此操作无法撤销。`}
+        confirmText="删除"
+        cancelText="取消"
+        type="danger"
+      />
     </div>
   );
 };
diff --git a/src/components/PageLoading.css b/src/components/PageLoading.css
new file mode 100644
index 0000000..976373e
--- /dev/null
+++ b/src/components/PageLoading.css
@@ -0,0 +1,36 @@
+/* 页面级加载组件样式 - 全屏加载 */
+.page-loading-container {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  background-color: #ffffff;
+  z-index: 9999;
+  color: #64748b;
+}
+
+.page-loading-spinner {
+  width: 40px;
+  height: 40px;
+  border: 3px solid #e2e8f0;
+  border-top: 3px solid #667eea;
+  border-radius: 50%;
+  animation: page-loading-spin 1s linear infinite;
+  margin-bottom: 1rem;
+}
+
+@keyframes page-loading-spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+.page-loading-message {
+  margin: 0;
+  font-size: 0.95rem;
+  color: #64748b;
+}
diff --git a/src/components/PageLoading.jsx b/src/components/PageLoading.jsx
new file mode 100644
index 0000000..8f573d0
--- /dev/null
+++ b/src/components/PageLoading.jsx
@@ -0,0 +1,13 @@
+import React from 'react';
+import './PageLoading.css';
+
+const PageLoading = ({ message = '加载中...' }) => {
+  return (
+    <div className="page-loading-container">
+      <div className="page-loading-spinner"></div>
+      <p className="page-loading-message">{message}</p>
+    </div>
+  );
+};
+
+export default PageLoading;
diff --git a/src/components/Toast.css b/src/components/Toast.css
new file mode 100644
index 0000000..5843a6f
--- /dev/null
+++ b/src/components/Toast.css
@@ -0,0 +1,105 @@
+.toast {
+  position: fixed;
+  top: 24px;
+  right: 24px;
+  min-width: 320px;
+  max-width: 480px;
+  padding: 16px 20px;
+  border-radius: 8px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  z-index: 3000;
+  animation: slideInRight 0.3s ease-out;
+  background: white;
+}
+
+@keyframes slideInRight {
+  from {
+    opacity: 0;
+    transform: translateX(100%);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+.toast-icon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+.toast-message {
+  flex: 1;
+  font-size: 14px;
+  line-height: 1.5;
+  color: #262626;
+}
+
+.toast-close {
+  background: none;
+  border: none;
+  color: #8c8c8c;
+  font-size: 20px;
+  cursor: pointer;
+  padding: 0;
+  width: 20px;
+  height: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  transition: color 0.2s;
+}
+
+.toast-close:hover {
+  color: #262626;
+}
+
+/* 不同类型的样式 */
+.toast-success {
+  border-left: 4px solid #52c41a;
+}
+
+.toast-success .toast-icon {
+  color: #52c41a;
+}
+
+.toast-error {
+  border-left: 4px solid #ff4d4f;
+}
+
+.toast-error .toast-icon {
+  color: #ff4d4f;
+}
+
+.toast-warning {
+  border-left: 4px solid #fa8c16;
+}
+
+.toast-warning .toast-icon {
+  color: #fa8c16;
+}
+
+.toast-info {
+  border-left: 4px solid #1890ff;
+}
+
+.toast-info .toast-icon {
+  color: #1890ff;
+}
+
+/* 响应式 */
+@media (max-width: 640px) {
+  .toast {
+    top: 12px;
+    right: 12px;
+    left: 12px;
+    min-width: auto;
+    max-width: none;
+  }
+}
diff --git a/src/components/Toast.jsx b/src/components/Toast.jsx
new file mode 100644
index 0000000..d8e0fd3
--- /dev/null
+++ b/src/components/Toast.jsx
@@ -0,0 +1,38 @@
+import React, { useEffect } from 'react';
+import { CheckCircle, XCircle, AlertCircle, Info } from 'lucide-react';
+import './Toast.css';
+
+const Toast = ({ message, type = 'info', duration = 3000, onClose }) => {
+  useEffect(() => {
+    if (duration > 0) {
+      const timer = setTimeout(() => {
+        onClose();
+      }, duration);
+      return () => clearTimeout(timer);
+    }
+  }, [duration, onClose]);
+
+  const getIcon = () => {
+    switch (type) {
+      case 'success':
+        return <CheckCircle size={20} />;
+      case 'error':
+        return <XCircle size={20} />;
+      case 'warning':
+        return <AlertCircle size={20} />;
+      case 'info':
+      default:
+        return <Info size={20} />;
+    }
+  };
+
+  return (
+    <div className={`toast toast-${type}`}>
+      <div className="toast-icon">{getIcon()}</div>
+      <div className="toast-message">{message}</div>
+      <button className="toast-close" onClick={onClose}>×</button>
+    </div>
+  );
+};
+
+export default Toast;
diff --git a/src/components/VoiceprintCollectionModal.css b/src/components/VoiceprintCollectionModal.css
new file mode 100644
index 0000000..85ccd0e
--- /dev/null
+++ b/src/components/VoiceprintCollectionModal.css
@@ -0,0 +1,393 @@
+.voiceprint-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  backdrop-filter: blur(4px);
+}
+
+.voiceprint-modal-content {
+  background: white;
+  border-radius: 16px;
+  width: 90%;
+  max-width: 600px;
+  max-height: 90vh;
+  overflow-y: auto;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
+  animation: modalSlideIn 0.3s ease-out;
+}
+
+@keyframes modalSlideIn {
+  from {
+    opacity: 0;
+    transform: translateY(-20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.voiceprint-modal-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 24px 28px;
+  border-bottom: 1px solid #e8e8e8;
+}
+
+.voiceprint-modal-header h2 {
+  margin: 0;
+  font-size: 20px;
+  font-weight: 600;
+  color: #262626;
+}
+
+.close-btn {
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: #8c8c8c;
+  padding: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 4px;
+  transition: all 0.2s;
+}
+
+.close-btn:hover {
+  background: #f5f5f5;
+  color: #262626;
+}
+
+.voiceprint-modal-body {
+  padding: 28px;
+}
+
+/* 朗读文本区域 */
+.template-text-container {
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  border-radius: 12px;
+  padding: 24px;
+  margin-bottom: 24px;
+  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
+}
+
+.template-text {
+  color: white;
+  font-size: 16px;
+  line-height: 1.8;
+  margin: 0;
+  text-align: justify;
+}
+
+/* 提示信息 */
+.recording-hint {
+  background: #f6f9fc;
+  border-left: 4px solid #1890ff;
+  border-radius: 8px;
+  padding: 16px 20px;
+  margin-bottom: 32px;
+}
+
+.recording-hint p {
+  margin: 0;
+  font-size: 14px;
+  color: #595959;
+  line-height: 1.6;
+}
+
+.hint-duration {
+  margin-top: 8px !important;
+  font-weight: 600;
+  color: #1890ff;
+}
+
+/* 录制控制区 */
+.recording-control {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 32px 0;
+}
+
+.record-btn {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 12px;
+  padding: 24px 48px;
+  border: none;
+  border-radius: 50px;
+  font-size: 16px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.3s;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.record-btn.start {
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: white;
+}
+
+.record-btn.start:hover:not(:disabled) {
+  transform: translateY(-2px);
+  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
+}
+
+/* 圆形录制按钮 */
+.record-btn-circle {
+  width: 100px;
+  height: 100px;
+  border-radius: 50%;
+  border: none;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: white;
+  cursor: pointer;
+  transition: all 0.3s;
+  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  position: relative;
+}
+
+.record-btn-circle::before {
+  content: '';
+  position: absolute;
+  inset: -4px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  opacity: 0;
+  transition: opacity 0.3s;
+  z-index: -1;
+  filter: blur(8px);
+}
+
+.record-btn-circle:hover:not(:disabled)::before {
+  opacity: 0.6;
+}
+
+.record-btn-circle:hover:not(:disabled) {
+  transform: scale(1.05);
+  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.5);
+}
+
+.record-btn-circle:active:not(:disabled) {
+  transform: scale(0.95);
+}
+
+.record-btn.stop {
+  background: #ff4d4f;
+  color: white;
+  margin-top: 20px;
+  padding: 12px 32px;
+}
+
+.record-btn.stop:hover {
+  background: #ff7875;
+  transform: translateY(-2px);
+}
+
+.record-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+/* 录制中状态 */
+.recording-active {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 24px;
+}
+
+.progress-circle {
+  position: relative;
+  width: 120px;
+  height: 120px;
+}
+
+.progress-ring {
+  transform: rotate(-90deg);
+}
+
+.progress-ring-circle-bg {
+  fill: none;
+  stroke: #f0f0f0;
+  stroke-width: 8;
+}
+
+.progress-ring-circle {
+  fill: none;
+  stroke: #667eea;
+  stroke-width: 8;
+  stroke-linecap: round;
+  transition: stroke-dashoffset 0.3s ease;
+}
+
+.countdown-text {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 8px;
+}
+
+.recording-icon {
+  color: #ff4d4f;
+  animation: pulse 1.5s ease-in-out infinite;
+}
+
+@keyframes pulse {
+  0%, 100% {
+    opacity: 1;
+  }
+  50% {
+    opacity: 0.5;
+  }
+}
+
+.countdown-number {
+  font-size: 24px;
+  font-weight: 700;
+  color: #262626;
+}
+
+/* 录制完成状态 */
+.recording-complete {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 20px;
+}
+
+.complete-icon {
+  width: 80px;
+  height: 80px;
+  background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: white;
+  animation: scaleIn 0.4s ease-out;
+}
+
+@keyframes scaleIn {
+  from {
+    transform: scale(0);
+  }
+  to {
+    transform: scale(1);
+  }
+}
+
+.complete-text {
+  font-size: 18px;
+  font-weight: 600;
+  color: #52c41a;
+  margin: 0;
+}
+
+.complete-actions {
+  display: flex;
+  gap: 16px;
+  margin-top: 12px;
+}
+
+.btn-secondary,
+.btn-primary {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 24px;
+  border: none;
+  border-radius: 8px;
+  font-size: 14px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.btn-secondary {
+  background: white;
+  color: #595959;
+  border: 1px solid #d9d9d9;
+}
+
+.btn-secondary:hover:not(:disabled) {
+  color: #262626;
+  border-color: #40a9ff;
+}
+
+.btn-primary {
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: white;
+}
+
+.btn-primary:hover:not(:disabled) {
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
+}
+
+.btn-secondary:disabled,
+.btn-primary:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+/* 错误信息 */
+.error-message {
+  margin-top: 20px;
+  padding: 12px 16px;
+  background: #fff2f0;
+  border: 1px solid #ffccc7;
+  border-radius: 8px;
+  color: #ff4d4f;
+  font-size: 14px;
+  text-align: center;
+}
+
+/* 响应式 */
+@media (max-width: 640px) {
+  .voiceprint-modal-content {
+    width: 95%;
+    margin: 20px;
+  }
+
+  .voiceprint-modal-header,
+  .voiceprint-modal-body {
+    padding: 20px;
+  }
+
+  .template-text {
+    font-size: 14px;
+  }
+
+  .record-btn.start {
+    padding: 20px 32px;
+  }
+
+  .complete-actions {
+    flex-direction: column;
+    width: 100%;
+  }
+
+  .btn-secondary,
+  .btn-primary {
+    width: 100%;
+    justify-content: center;
+  }
+}
diff --git a/src/components/VoiceprintCollectionModal.jsx b/src/components/VoiceprintCollectionModal.jsx
new file mode 100644
index 0000000..ba81a25
--- /dev/null
+++ b/src/components/VoiceprintCollectionModal.jsx
@@ -0,0 +1,252 @@
+import React, { useState, useEffect, useRef } from 'react';
+import { Mic, MicOff, X, RefreshCw } from 'lucide-react';
+import './VoiceprintCollectionModal.css';
+
+const VoiceprintCollectionModal = ({ isOpen, onClose, onSuccess, templateConfig }) => {
+  const [isRecording, setIsRecording] = useState(false);
+  const [countdown, setCountdown] = useState(0);
+  const [audioBlob, setAudioBlob] = useState(null);
+  const [error, setError] = useState('');
+  const [isUploading, setIsUploading] = useState(false);
+
+  const mediaRecorderRef = useRef(null);
+  const audioChunksRef = useRef([]);
+  const countdownIntervalRef = useRef(null);
+
+  // 当模态框打开时，重置所有状态，不设置错误提示
+  useEffect(() => {
+    if (isOpen) {
+      setError('');
+      setAudioBlob(null);
+      setIsRecording(false);
+      setCountdown(0);
+      setIsUploading(false);
+    }
+  }, [isOpen]);
+
+  useEffect(() => {
+    // 清理函数
+    return () => {
+      if (countdownIntervalRef.current) {
+        clearInterval(countdownIntervalRef.current);
+      }
+      if (mediaRecorderRef.current && mediaRecorderRef.current.state === 'recording') {
+        mediaRecorderRef.current.stop();
+      }
+    };
+  }, []);
+
+  const startRecording = async () => {
+    try {
+      setError('');
+
+      // 请求麦克风权限
+      const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
+
+      // 创建MediaRecorder实例
+      const mediaRecorder = new MediaRecorder(stream, {
+        mimeType: 'audio/webm'
+      });
+
+      mediaRecorderRef.current = mediaRecorder;
+      audioChunksRef.current = [];
+
+      mediaRecorder.ondataavailable = (event) => {
+        if (event.data.size > 0) {
+          audioChunksRef.current.push(event.data);
+        }
+      };
+
+      mediaRecorder.onstop = () => {
+        const audioBlob = new Blob(audioChunksRef.current, { type: 'audio/webm' });
+        setAudioBlob(audioBlob);
+
+        // 停止所有音频轨道
+        stream.getTracks().forEach(track => track.stop());
+      };
+
+      // 开始录制
+      mediaRecorder.start();
+      setIsRecording(true);
+
+      // 开始倒计时
+      const duration = templateConfig?.duration_seconds || 10;
+      setCountdown(duration);
+
+      countdownIntervalRef.current = setInterval(() => {
+        setCountdown(prev => {
+          if (prev <= 1) {
+            stopRecording();
+            return 0;
+          }
+          return prev - 1;
+        });
+      }, 1000);
+
+    } catch (err) {
+      console.error('麦克风访问错误:', err);
+      setError('无法访问麦克风，请检查权限设置');
+    }
+  };
+
+  const stopRecording = () => {
+    if (mediaRecorderRef.current && mediaRecorderRef.current.state === 'recording') {
+      mediaRecorderRef.current.stop();
+    }
+
+    if (countdownIntervalRef.current) {
+      clearInterval(countdownIntervalRef.current);
+      countdownIntervalRef.current = null;
+    }
+
+    setIsRecording(false);
+    setCountdown(0);
+  };
+
+  const resetRecording = () => {
+    setAudioBlob(null);
+    setCountdown(0);
+    setError('');
+  };
+
+  const handleUpload = async () => {
+    if (!audioBlob || isUploading) return;
+
+    try {
+      setIsUploading(true);
+      setError('');
+
+      // 转换webm到wav格式（这里简化处理，实际可能需要AudioContext转换）
+      const formData = new FormData();
+      formData.append('audio_file', audioBlob, 'voiceprint.wav');
+
+      await onSuccess(formData);
+
+    } catch (err) {
+      console.error('上传声纹错误:', err);
+      setError(err.message || '声纹采集失败，请重试');
+    } finally {
+      setIsUploading(false);
+    }
+  };
+
+  if (!isOpen) return null;
+
+  console.log('VoiceprintCollectionModal - templateConfig:', templateConfig);
+
+  const duration = templateConfig?.duration_seconds || 10;
+  const progress = countdown > 0 ? ((duration - countdown) / duration) * 100 : 0;
+  const templateText = templateConfig?.template_text || '朗读文本未配置。';
+
+  console.log('显示的朗读文本:', templateText);
+
+  return (
+    <div className="voiceprint-modal-overlay" onClick={onClose}>
+      <div className="voiceprint-modal-content" onClick={(e) => e.stopPropagation()}>
+        <div className="voiceprint-modal-header">
+          <h2>声纹采集</h2>
+          <button className="close-btn" onClick={onClose}>
+            <X size={24} />
+          </button>
+        </div>
+
+        <div className="voiceprint-modal-body">
+          {/* 朗读文本 */}
+          <div className="template-text-container">
+            <p className="template-text" style={{ whiteSpace: 'pre-line' }}>
+              {templateText}
+            </p>
+          </div>
+
+          {/* 提示信息 */}
+          <div className="recording-hint">
+            <p>请在安静环境下，用自然语速和音量朗读上述文字</p>
+            <p className="hint-duration">建议录制时长：{duration}秒</p>
+          </div>
+
+          {/* 录制控制区 */}
+          <div className="recording-control">
+            {!isRecording && !audioBlob && (
+              <button
+                className="record-btn-circle"
+                onClick={startRecording}
+                disabled={isUploading}
+                title="点击开始录制"
+              >
+                <Mic size={40} />
+              </button>
+            )}
+
+            {isRecording && (
+              <div className="recording-active">
+                <div className="progress-circle">
+                  <svg className="progress-ring" width="120" height="120">
+                    <circle
+                      className="progress-ring-circle-bg"
+                      cx="60"
+                      cy="60"
+                      r="54"
+                    />
+                    <circle
+                      className="progress-ring-circle"
+                      cx="60"
+                      cy="60"
+                      r="54"
+                      strokeDasharray={`${2 * Math.PI * 54}`}
+                      strokeDashoffset={`${2 * Math.PI * 54 * (1 - progress / 100)}`}
+                    />
+                  </svg>
+                  <div className="countdown-text">
+                    <MicOff size={32} className="recording-icon" />
+                    <span className="countdown-number">{countdown}s</span>
+                  </div>
+                </div>
+                <button
+                  className="record-btn stop"
+                  onClick={stopRecording}
+                >
+                  停止录制
+                </button>
+              </div>
+            )}
+
+            {audioBlob && !isRecording && (
+              <div className="recording-complete">
+                <div className="complete-icon">
+                  <Mic size={48} />
+                </div>
+                <p className="complete-text">录制完成</p>
+                <div className="complete-actions">
+                  <button
+                    className="btn-secondary"
+                    onClick={resetRecording}
+                    disabled={isUploading}
+                  >
+                    <RefreshCw size={16} />
+                    重新录制
+                  </button>
+                  <button
+                    className="btn-primary"
+                    onClick={handleUpload}
+                    disabled={isUploading}
+                  >
+                    {isUploading ? '上传中...' : '确认提交'}
+                  </button>
+                </div>
+              </div>
+            )}
+          </div>
+
+          {/* 错误信息 */}
+          {error && (
+            <div className="error-message">
+              {error}
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default VoiceprintCollectionModal;
diff --git a/src/config/api.js b/src/config/api.js
index 7ca43e7..df8435e 100644
--- a/src/config/api.js
+++ b/src/config/api.js
@@ -64,6 +64,12 @@ const API_CONFIG = {
       CREATE: '/api/clients/downloads',
       UPDATE: (id) => `/api/clients/downloads/${id}`,
       DELETE: (id) => `/api/clients/downloads/${id}`
+    },
+    VOICEPRINT: {
+      STATUS: (userId) => `/api/voiceprint/${userId}`,
+      TEMPLATE: '/api/voiceprint/template',
+      UPLOAD: (userId) => `/api/voiceprint/${userId}`,
+      DELETE: (userId) => `/api/voiceprint/${userId}`
     }
   }
 };
diff --git a/src/hooks/useToast.js b/src/hooks/useToast.js
new file mode 100644
index 0000000..dc4475a
--- /dev/null
+++ b/src/hooks/useToast.js
@@ -0,0 +1,29 @@
+import { useState, useCallback } from 'react';
+
+export const useToast = () => {
+  const [toasts, setToasts] = useState([]);
+
+  const showToast = useCallback((message, type = 'info', duration = 3000) => {
+    const id = Date.now();
+    setToasts(prev => [...prev, { id, message, type, duration }]);
+  }, []);
+
+  const removeToast = useCallback((id) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  }, []);
+
+  const success = useCallback((message, duration) => showToast(message, 'success', duration), [showToast]);
+  const error = useCallback((message, duration) => showToast(message, 'error', duration), [showToast]);
+  const warning = useCallback((message, duration) => showToast(message, 'warning', duration), [showToast]);
+  const info = useCallback((message, duration) => showToast(message, 'info', duration), [showToast]);
+
+  return {
+    toasts,
+    removeToast,
+    showToast,
+    success,
+    error,
+    warning,
+    info
+  };
+};
diff --git a/src/pages/ClientDownloadPage.css b/src/pages/ClientDownloadPage.css
index 670198e..d9343d3 100644
--- a/src/pages/ClientDownloadPage.css
+++ b/src/pages/ClientDownloadPage.css
@@ -9,13 +9,13 @@
 .download-page-header {
   background: white;
   border-bottom: 1px solid #e2e8f0;
-  padding: 1.5rem 2rem;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
 }
 
 .download-page-header .header-content {
   max-width: 1200px;
   margin: 0 auto;
+  padding: 1rem 2rem;
 }
 
 .download-page-header .logo {
diff --git a/src/pages/ClientManagement.jsx b/src/pages/ClientManagement.jsx
index e6643fd..c6d9e6c 100644
--- a/src/pages/ClientManagement.jsx
+++ b/src/pages/ClientManagement.jsx
@@ -14,6 +14,8 @@ import {
 } from 'lucide-react';
 import apiClient from '../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
+import ConfirmDialog from '../components/ConfirmDialog';
+import Toast from '../components/Toast';
 import './ClientManagement.css';
 
 const ClientManagement = ({ user }) => {
@@ -21,11 +23,12 @@ const ClientManagement = ({ user }) => {
   const [loading, setLoading] = useState(true);
   const [showCreateModal, setShowCreateModal] = useState(false);
   const [showEditModal, setShowEditModal] = useState(false);
-  const [showDeleteModal, setShowDeleteModal] = useState(false);
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
   const [selectedClient, setSelectedClient] = useState(null);
   const [filterPlatformType, setFilterPlatformType] = useState('');
   const [searchQuery, setSearchQuery] = useState('');
   const [expandedNotes, setExpandedNotes] = useState({});
+  const [toasts, setToasts] = useState([]);
 
   const [formData, setFormData] = useState({
     platform_type: 'mobile',
@@ -53,6 +56,16 @@ const ClientManagement = ({ user }) => {
     ]
   };
 
+  // Toast helper functions
+  const showToast = (message, type = 'info') => {
+    const id = Date.now();
+    setToasts(prev => [...prev, { id, message, type }]);
+  };
+
+  const removeToast = (id) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  };
+
   useEffect(() => {
     fetchClients();
   }, []);
@@ -74,7 +87,7 @@ const ClientManagement = ({ user }) => {
     try {
       // 验证必填字段
       if (!formData.version_code || !formData.version || !formData.download_url) {
-        alert('请填写所有必填字段');
+        showToast('请填写所有必填字段', 'warning');
         return;
       }
 
@@ -86,12 +99,12 @@ const ClientManagement = ({ user }) => {
 
       // 验证转换后的数字
       if (isNaN(payload.version_code)) {
-        alert('版本代码必须是有效的数字');
+        showToast('版本代码必须是有效的数字', 'warning');
         return;
       }
 
       if (formData.file_size && isNaN(payload.file_size)) {
-        alert('文件大小必须是有效的数字');
+        showToast('文件大小必须是有效的数字', 'warning');
         return;
       }
 
@@ -101,7 +114,7 @@ const ClientManagement = ({ user }) => {
       fetchClients();
     } catch (error) {
       console.error('创建客户端失败:', error);
-      alert(error.response?.data?.message || '创建失败,请重试');
+      showToast(error.response?.data?.message || '创建失败,请重试', 'error');
     }
   };
 
@@ -109,7 +122,7 @@ const ClientManagement = ({ user }) => {
     try {
       // 验证必填字段
       if (!formData.version_code || !formData.version || !formData.download_url) {
-        alert('请填写所有必填字段');
+        showToast('请填写所有必填字段', 'warning');
         return;
       }
 
@@ -126,12 +139,12 @@ const ClientManagement = ({ user }) => {
 
       // 验证转换后的数字
       if (isNaN(payload.version_code)) {
-        alert('版本代码必须是有效的数字');
+        showToast('版本代码必须是有效的数字', 'warning');
         return;
       }
 
       if (formData.file_size && isNaN(payload.file_size)) {
-        alert('文件大小必须是有效的数字');
+        showToast('文件大小必须是有效的数字', 'warning');
         return;
       }
 
@@ -144,19 +157,21 @@ const ClientManagement = ({ user }) => {
       fetchClients();
     } catch (error) {
       console.error('更新客户端失败:', error);
-      alert(error.response?.data?.message || '更新失败,请重试');
+      showToast(error.response?.data?.message || '更新失败,请重试', 'error');
     }
   };
 
   const handleDelete = async () => {
     try {
-      await apiClient.delete(buildApiUrl(API_ENDPOINTS.CLIENT_DOWNLOADS.DELETE(selectedClient.id)));
-      setShowDeleteModal(false);
+      await apiClient.delete(buildApiUrl(API_ENDPOINTS.CLIENT_DOWNLOADS.DELETE(deleteConfirmInfo.id)));
+      setDeleteConfirmInfo(null);
       setSelectedClient(null);
+      showToast('删除成功', 'success');
       fetchClients();
     } catch (error) {
       console.error('删除客户端失败:', error);
-      alert('删除失败,请重试');
+      showToast('删除失败,请重试', 'error');
+      setDeleteConfirmInfo(null);
     }
   };
 
@@ -178,8 +193,11 @@ const ClientManagement = ({ user }) => {
   };
 
   const openDeleteModal = (client) => {
-    setSelectedClient(client);
-    setShowDeleteModal(true);
+    setDeleteConfirmInfo({
+      id: client.id,
+      platform_name: getPlatformLabel(client.platform_name),
+      version: client.version
+    });
   };
 
   const resetForm = () => {
@@ -572,26 +590,27 @@ const ClientManagement = ({ user }) => {
         </div>
       )}
 
-      {/* 删除确认模态框 */}
-      {showDeleteModal && selectedClient && (
-        <div className="modal-overlay" onClick={() => setShowDeleteModal(false)}>
-          <div className="delete-modal" onClick={(e) => e.stopPropagation()}>
-            <h3>确认删除</h3>
-            <p>
-              确定要删除 <strong>{getPlatformLabel(selectedClient.platform_name)}</strong> 版本{' '}
-              <strong>{selectedClient.version}</strong> 吗？此操作无法撤销。
-            </p>
-            <div className="modal-actions">
-              <button className="btn-cancel" onClick={() => setShowDeleteModal(false)}>
-                取消
-              </button>
-              <button className="btn-delete" onClick={handleDelete}>
-                确定删除
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
+      {/* 删除确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={handleDelete}
+        title="删除客户端"
+        message={`确定要删除 ${deleteConfirmInfo?.platform_name} 版本 ${deleteConfirmInfo?.version} 吗？此操作无法撤销。`}
+        confirmText="确定删除"
+        cancelText="取消"
+        type="danger"
+      />
+
+      {/* Toast notifications */}
+      {toasts.map(toast => (
+        <Toast
+          key={toast.id}
+          message={toast.message}
+          type={toast.type}
+          onClose={() => removeToast(toast.id)}
+        />
+      ))}
     </div>
   );
 };
diff --git a/src/pages/Dashboard.css b/src/pages/Dashboard.css
index fc9b44e..25fc74f 100644
--- a/src/pages/Dashboard.css
+++ b/src/pages/Dashboard.css
@@ -162,8 +162,15 @@
   flex: 1;
 }
 
+.user-name-row {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  margin-bottom: 0.15rem;
+}
+
 .user-details h2 {
-  margin: 0 0 0.15rem 0;
+  margin: 0;
   color: #1e293b;
   font-size: 1.1rem;
   font-weight: 600;
@@ -747,3 +754,54 @@
   opacity: 1;
   transform: translateX(4px);
 }
+
+/* Voiceprint Badge - 紧凑徽章样式 */
+.voiceprint-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35rem;
+  padding: 0.25rem 0.6rem;
+  border-radius: 12px;
+  font-size: 0.75rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  border: none;
+  white-space: nowrap;
+}
+
+.voiceprint-badge.uncollected {
+  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
+  color: white;
+  box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3);
+}
+
+.voiceprint-badge.uncollected:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.4);
+}
+
+.voiceprint-badge.collected {
+  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
+  color: white;
+  box-shadow: 0 1px 3px rgba(16, 185, 129, 0.3);
+}
+
+.voiceprint-badge.collected:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.4);
+  background: linear-gradient(135deg, #059669 0%, #047857 100%);
+}
+
+.voiceprint-badge .voiceprint-icon {
+  animation: wave 2s ease-in-out infinite;
+}
+
+@keyframes wave {
+  0%, 100% {
+    transform: scaleX(1);
+  }
+  50% {
+    transform: scaleX(1.1);
+  }
+}
diff --git a/src/pages/Dashboard.jsx b/src/pages/Dashboard.jsx
index b8fbd84..cda0f28 100644
--- a/src/pages/Dashboard.jsx
+++ b/src/pages/Dashboard.jsx
@@ -1,10 +1,13 @@
 import React, { useState, useEffect, useRef } from 'react';
-import { LogOut, User, Calendar, Users, TrendingUp, Clock, MessageSquare, Plus, ChevronDown, KeyRound, Shield, Filter, X, Library, BookText } from 'lucide-react';
+import { LogOut, User, Calendar, Users, TrendingUp, Clock, MessageSquare, Plus, ChevronDown, KeyRound, Shield, Filter, X, Library, BookText, Waves } from 'lucide-react';
 import apiClient from '../utils/apiClient';
 import { Link } from 'react-router-dom';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
 import MeetingTimeline from '../components/MeetingTimeline';
 import TagCloud from '../components/TagCloud';
+import VoiceprintCollectionModal from '../components/VoiceprintCollectionModal';
+import ConfirmDialog from '../components/ConfirmDialog';
+import PageLoading from '../components/PageLoading';
 import './Dashboard.css';
 
 const Dashboard = ({ user, onLogout }) => {
@@ -24,10 +27,38 @@ const Dashboard = ({ user, onLogout }) => {
   const [passwordChangeSuccess, setPasswordChangeSuccess] = useState('');
   const dropdownRef = useRef(null);
 
+  // 声纹相关状态
+  const [voiceprintStatus, setVoiceprintStatus] = useState(null);
+  const [showVoiceprintModal, setShowVoiceprintModal] = useState(false);
+  const [voiceprintTemplate, setVoiceprintTemplate] = useState(null);
+  const [voiceprintLoading, setVoiceprintLoading] = useState(true);
+  const [showDeleteVoiceprintDialog, setShowDeleteVoiceprintDialog] = useState(false);
+
   useEffect(() => {
     fetchUserData();
+    fetchVoiceprintData();
   }, [user.user_id]);
 
+  const fetchVoiceprintData = async () => {
+    try {
+      setVoiceprintLoading(true);
+
+      // 获取声纹状态
+      const statusResponse = await apiClient.get(buildApiUrl(API_ENDPOINTS.VOICEPRINT.STATUS(user.user_id)));
+      console.log('声纹状态响应:', statusResponse);
+      setVoiceprintStatus(statusResponse.data);
+
+      // 获取朗读模板
+      const templateResponse = await apiClient.get(buildApiUrl(API_ENDPOINTS.VOICEPRINT.TEMPLATE));
+      console.log('朗读模板响应:', templateResponse);
+      setVoiceprintTemplate(templateResponse.data);
+    } catch (err) {
+      console.error('获取声纹数据失败:', err);
+    } finally {
+      setVoiceprintLoading(false);
+    }
+  };
+
   // 过滤会议
   useEffect(() => {
     filterMeetings();
@@ -151,6 +182,35 @@ const Dashboard = ({ user, onLogout }) => {
     }
   };
 
+  const handleVoiceprintUpload = async (formData) => {
+    try {
+      await apiClient.post(
+        buildApiUrl(API_ENDPOINTS.VOICEPRINT.UPLOAD(user.user_id)),
+        formData,
+        {
+          headers: {
+            'Content-Type': 'multipart/form-data',
+          },
+        }
+      );
+
+      // 上传成功后刷新声纹状态并关闭模态框
+      await fetchVoiceprintData();
+      setShowVoiceprintModal(false);
+    } catch (err) {
+      throw new Error(err.response?.data?.message || '声纹上传失败');
+    }
+  };
+
+  const handleDeleteVoiceprint = async () => {
+    try {
+      await apiClient.delete(buildApiUrl(API_ENDPOINTS.VOICEPRINT.DELETE(user.user_id)));
+      await fetchVoiceprintData();
+    } catch (err) {
+      console.error('删除声纹失败:', err);
+    }
+  };
+
   const groupMeetingsByDate = (meetingsToGroup) => {
     return meetingsToGroup.reduce((acc, meeting) => {
       const date = new Date(meeting.meeting_time || meeting.created_at).toISOString().split('T')[0];
@@ -172,14 +232,7 @@ const Dashboard = ({ user, onLogout }) => {
   };
 
   if (loading || !meetings) {
-    return (
-      <div className="dashboard">
-        <div className="loading-container">
-          <div className="loading-spinner"></div>
-          <p>加载中...</p>
-        </div>
-      </div>
-    );
+    return <PageLoading message="加载中..." />;
   }
 
   if (error) {
@@ -240,7 +293,33 @@ const Dashboard = ({ user, onLogout }) => {
                 <User size={24} />
               </div>
               <div className="user-details">
-                <h2>{userInfo?.caption}</h2>
+                <div className="user-name-row">
+                  <h2>{userInfo?.caption}</h2>
+                  {/* 声纹采集按钮 - 放在姓名后 */}
+                  {!voiceprintLoading && (
+                    <>
+                      {voiceprintStatus?.has_voiceprint ? (
+                        <span
+                          className="voiceprint-badge collected"
+                          onClick={() => setShowDeleteVoiceprintDialog(true)}
+                          title="点击删除声纹"
+                        >
+                          <Waves size={14} className="voiceprint-icon" />
+                          声纹
+                        </span>
+                      ) : (
+                        <button
+                          className="voiceprint-badge uncollected"
+                          onClick={() => setShowVoiceprintModal(true)}
+                          title="采集声纹"
+                        >
+                          <Waves size={14} />
+                          声纹
+                        </button>
+                      )}
+                    </>
+                  )}
+                </div>
                 <p className="user-email">{userInfo?.email}</p>
                 <p className="join-date">加入时间：{formatDate(userInfo?.created_at)}</p>
               </div>
@@ -369,6 +448,26 @@ const Dashboard = ({ user, onLogout }) => {
           </div>
         </div>
       )}
+
+      {/* 声纹采集模态框 */}
+      <VoiceprintCollectionModal
+        isOpen={showVoiceprintModal}
+        onClose={() => setShowVoiceprintModal(false)}
+        onSuccess={handleVoiceprintUpload}
+        templateConfig={voiceprintTemplate}
+      />
+
+      {/* 删除声纹确认对话框 */}
+      <ConfirmDialog
+        isOpen={showDeleteVoiceprintDialog}
+        onClose={() => setShowDeleteVoiceprintDialog(false)}
+        onConfirm={handleDeleteVoiceprint}
+        title="删除声纹"
+        message="确定要删除声纹数据吗？删除后可以重新采集。"
+        confirmText="删除"
+        cancelText="取消"
+        type="danger"
+      />
     </div>
   );
 };
diff --git a/src/pages/KnowledgeBasePage.css b/src/pages/KnowledgeBasePage.css
index 10ae4a8..b0b1965 100644
--- a/src/pages/KnowledgeBasePage.css
+++ b/src/pages/KnowledgeBasePage.css
@@ -6,6 +6,31 @@
   flex-direction: column;
 }
 
+/* 加载和错误状态 */
+.loading-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 50vh;
+  color: #64748b;
+}
+
+.loading-spinner {
+  width: 40px;
+  height: 40px;
+  border: 3px solid #e2e8f0;
+  border-top: 3px solid #667eea;
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+  margin-bottom: 1rem;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
 /* 顶部Header */
 .kb-header {
   background: white;
@@ -888,3 +913,146 @@
 .meeting-list::-webkit-scrollbar-thumb:hover {
   background: #94a3b8;
 }
+
+/* 步骤指示器 - 紧凑版 */
+.step-indicator {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0.75rem 2rem;
+  background: #f8fafc;
+  border-bottom: 1px solid #e2e8f0;
+}
+
+.step-item {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  position: relative;
+}
+
+.step-number {
+  width: 24px;
+  height: 24px;
+  border-radius: 50%;
+  background: #e2e8f0;
+  color: #64748b;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-weight: 600;
+  font-size: 0.75rem;
+  transition: all 0.3s ease;
+  flex-shrink: 0;
+}
+
+.step-item.active .step-number {
+  background: #667eea;
+  color: white;
+  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
+}
+
+.step-item.completed .step-number {
+  background: #10b981;
+  color: white;
+}
+
+.step-item.completed .step-number::before {
+  content: "✓";
+  font-size: 0.85rem;
+}
+
+.step-label {
+  font-size: 0.8rem;
+  color: #64748b;
+  font-weight: 500;
+  transition: color 0.3s ease;
+  white-space: nowrap;
+}
+
+.step-item.active .step-label {
+  color: #667eea;
+  font-weight: 600;
+}
+
+.step-item.completed .step-label {
+  color: #10b981;
+}
+
+.step-line {
+  width: 40px;
+  height: 2px;
+  background: #e2e8f0;
+  margin: 0 0.75rem;
+}
+
+/* 步骤内容 */
+.form-step {
+  animation: fadeIn 0.3s ease;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+/* 步骤2摘要信息 - 紧凑版 */
+.step-summary {
+  background: #f0fdf4;
+  border: 1px solid #bbf7d0;
+  border-radius: 6px;
+  padding: 0.5rem 0.75rem;
+  margin-bottom: 1rem;
+}
+
+.summary-item {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: 0.85rem;
+}
+
+.summary-label {
+  font-weight: 500;
+  color: #166534;
+}
+
+.summary-value {
+  font-weight: 600;
+  color: #15803d;
+}
+
+/* 字段提示文字 - 紧凑版 */
+.field-hint {
+  font-size: 0.8rem;
+  color: #64748b;
+  margin-bottom: 0.5rem;
+  line-height: 1.4;
+  background: #f8fafc;
+  padding: 0.5rem;
+  border-radius: 4px;
+  border-left: 2px solid #667eea;
+}
+
+/* 二级按钮 */
+.btn-secondary {
+  padding: 0.75rem 1.5rem;
+  border-radius: 8px;
+  border: 1px solid #e2e8f0;
+  background: white;
+  color: #475569;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.btn-secondary:hover {
+  background: #f8fafc;
+  border-color: #cbd5e1;
+}
diff --git a/src/pages/KnowledgeBasePage.jsx b/src/pages/KnowledgeBasePage.jsx
index 7589113..3663527 100644
--- a/src/pages/KnowledgeBasePage.jsx
+++ b/src/pages/KnowledgeBasePage.jsx
@@ -5,10 +5,13 @@ import apiClient from '../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
 import ContentViewer from '../components/ContentViewer';
 import TagDisplay from '../components/TagDisplay';
+import Toast from '../components/Toast';
+import ConfirmDialog from '../components/ConfirmDialog';
 import remarkGfm from 'remark-gfm';
 import rehypeRaw from 'rehype-raw';
 import rehypeSanitize from 'rehype-sanitize';
 import html2canvas from 'html2canvas';
+import PageLoading from '../components/PageLoading';
 import './KnowledgeBasePage.css';
 
 const KnowledgeBasePage = ({ user }) => {
@@ -27,8 +30,19 @@ const KnowledgeBasePage = ({ user }) => {
   const [generating, setGenerating] = useState(false);
   const [taskId, setTaskId] = useState(null);
   const [progress, setProgress] = useState(0);
-  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
-  const [deletingKb, setDeletingKb] = useState(null);
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
+  const [toasts, setToasts] = useState([]);
+  const [createStep, setCreateStep] = useState(1); // 1: 选择会议, 2: 输入提示词
+
+  // Toast helper functions
+  const showToast = (message, type = 'info') => {
+    const id = Date.now();
+    setToasts(prev => [...prev, { id, message, type }]);
+  };
+
+  const removeToast = (id) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  };
 
   useEffect(() => {
     fetchAllKbs();
@@ -50,13 +64,16 @@ const KnowledgeBasePage = ({ user }) => {
               setUserPrompt('');
               setSelectedMeetings([]);
               setShowCreateForm(false);
+              setCreateStep(1); // 重置步骤
+              setSearchQuery('');
+              setSelectedTags([]);
               fetchAllKbs();
             } else if (status === 'failed') {
               clearInterval(interval);
               setTaskId(null);
               setGenerating(false);
               setProgress(0);
-              alert('知识库生成失败，请稍后重试');
+              showToast('知识库生成失败，请稍后重试', 'error');
             }
           })
           .catch(error => {
@@ -140,7 +157,7 @@ const KnowledgeBasePage = ({ user }) => {
 
   const handleGenerate = async () => {
     if (!selectedMeetings || selectedMeetings.length === 0) {
-      alert('请至少选择一个会议');
+      showToast('请至少选择一个会议', 'warning');
       return;
     }
 
@@ -210,25 +227,22 @@ const KnowledgeBasePage = ({ user }) => {
   };
 
   const handleDelete = async (kb) => {
-    setDeletingKb(kb);
-    setShowDeleteConfirm(true);
+    setDeleteConfirmInfo({ kb_id: kb.kb_id, title: kb.title });
   };
 
   const confirmDelete = async () => {
     try {
-      await apiClient.delete(buildApiUrl(API_ENDPOINTS.KNOWLEDGE_BASE.DELETE(deletingKb.kb_id)));
-      setShowDeleteConfirm(false);
-      setDeletingKb(null);
+      await apiClient.delete(buildApiUrl(API_ENDPOINTS.KNOWLEDGE_BASE.DELETE(deleteConfirmInfo.kb_id)));
       // 如果删除的是当前选中的，清除选中
-      if (selectedKb && selectedKb.kb_id === deletingKb.kb_id) {
+      if (selectedKb && selectedKb.kb_id === deleteConfirmInfo.kb_id) {
         setSelectedKb(null);
       }
+      setDeleteConfirmInfo(null);
       fetchAllKbs();
     } catch (error) {
       console.error("Error deleting knowledge base:", error);
-      alert('删除失败,请稍后重试');
-      setShowDeleteConfirm(false);
-      setDeletingKb(null);
+      showToast('删除失败,请稍后重试', 'error');
+      setDeleteConfirmInfo(null);
     }
   };
 
@@ -290,7 +304,7 @@ const KnowledgeBasePage = ({ user }) => {
   const exportSummaryToImage = async () => {
     try {
       if (!selectedKb?.content) {
-        alert('暂无知识库内容，请稍后再试。');
+        showToast('暂无知识库内容，请稍后再试。', 'warning');
         return;
       }
 
@@ -453,7 +467,7 @@ const KnowledgeBasePage = ({ user }) => {
 
     } catch (error) {
       console.error('图片导出失败:', error);
-      alert('图片导出失败，请重试。');
+      showToast('图片导出失败，请重试。', 'error');
     }
   };
 
@@ -461,14 +475,14 @@ const KnowledgeBasePage = ({ user }) => {
   const exportMindMapToImage = async () => {
     try {
       if (!selectedKb?.content) {
-        alert('暂无内容，无法导出思维导图。');
+        showToast('暂无内容，无法导出思维导图。', 'warning');
         return;
       }
 
       // 查找SVG元素
       const svgElement = document.querySelector('.markmap-render-area svg');
       if (!svgElement) {
-        alert('未找到思维导图，请先切换到脑图标签页。');
+        showToast('未找到思维导图，请先切换到脑图标签页。', 'warning');
         return;
       }
 
@@ -496,14 +510,14 @@ const KnowledgeBasePage = ({ user }) => {
 
     } catch (error) {
       console.error('思维导图导出失败:', error);
-      alert('思维导图导出失败，请重试。');
+      showToast('思维导图导出失败，请重试。', 'error');
     }
   };
 
   const isCreator = selectedKb && user && String(selectedKb.creator_id) === String(user.user_id);
 
   if (loading) {
-    return <div>Loading...</div>;
+    return <PageLoading message="加载中..." />;
   }
 
   return (
@@ -771,126 +785,203 @@ const KnowledgeBasePage = ({ user }) => {
           <div className="modal-content create-kb-modal">
             <div className="modal-header">
               <h2>新增知识库</h2>
-              <button onClick={() => setShowCreateForm(false)} className="close-btn">×</button>
+              <button onClick={() => {
+                setShowCreateForm(false);
+                setCreateStep(1);
+                setSelectedMeetings([]);
+                setUserPrompt('');
+                setSearchQuery('');
+                setSelectedTags([]);
+              }} className="close-btn">×</button>
             </div>
-            <div className="modal-body">
-              <div className="form-group">
-                <label>选择会议数据源</label>
 
-                {/* 紧凑的搜索和过滤区 */}
-                <div className="search-filter-area">
-                  <input
-                    type="text"
-                    placeholder="搜索会议名称或创建人..."
-                    value={searchQuery}
-                    onChange={(e) => setSearchQuery(e.target.value)}
-                    className="compact-search-input"
-                  />
-
-                  {availableTags.length > 0 && (
-                    <div className="tag-filter-section">
-                      <div className="tag-filter-chips">
-                        {availableTags.map(tag => (
-                          <button
-                            key={tag}
-                            type="button"
-                            className={`tag-chip ${selectedTags.includes(tag) ? 'selected' : ''}`}
-                            onClick={() => handleTagToggle(tag)}
-                          >
-                            {tag}
-                          </button>
-                        ))}
-                      </div>
-                    </div>
-                  )}
-
-                  {(searchQuery || selectedTags.length > 0) && (
-                    <button
-                      type="button"
-                      className="clear-filters-btn"
-                      onClick={clearFilters}
-                    >
-                      <X size={14} />
-                      清除筛选
-                    </button>
-                  )}
-                </div>
-
-                <div className="meeting-list">
-                  {filteredMeetings.length === 0 ? (
-                    <div className="empty-state">
-                      <p>未找到匹配的会议</p>
-                    </div>
-                  ) : (
-                    filteredMeetings.map(meeting => (
-                      <div
-                        key={meeting.meeting_id}
-                        className={`meeting-item ${selectedMeetings.includes(meeting.meeting_id) ? 'selected' : ''}`}
-                        onClick={() => toggleMeetingSelection(meeting.meeting_id)}
-                      >
-                        <input
-                          type="checkbox"
-                          checked={selectedMeetings.includes(meeting.meeting_id)}
-                          onChange={(e) => {
-                            e.stopPropagation();
-                            toggleMeetingSelection(meeting.meeting_id);
-                          }}
-                          onClick={(e) => e.stopPropagation()}
-                        />
-                        <div className="meeting-item-content">
-                          <div className="meeting-item-title">{meeting.title}</div>
-                          {meeting.creator_username && (
-                            <div className="meeting-item-creator">创建人: {meeting.creator_username}</div>
-                          )}
-                        </div>
-                      </div>
-                    ))
-                  )}
-                </div>
+            {/* 步骤指示器 */}
+            <div className="step-indicator">
+              <div className={`step-item ${createStep === 1 ? 'active' : ''} ${createStep > 1 ? 'completed' : ''}`}>
+                <div className="step-number">1</div>
+                <div className="step-label">选择会议</div>
               </div>
-              {selectedMeetings.length > 0 && (
-                <div className="selected-meetings-info">
-                  已选择 {selectedMeetings.length} 个会议
+              <div className="step-line"></div>
+              <div className={`step-item ${createStep === 2 ? 'active' : ''}`}>
+                <div className="step-number">2</div>
+                <div className="step-label">自定义提示词</div>
+              </div>
+            </div>
+
+            <div className="modal-body">
+              {/* 步骤 1: 选择会议 */}
+              {createStep === 1 && (
+                <div className="form-step">
+                  <div className="form-group">
+                    <label>选择会议数据源</label>
+
+                    {/* 紧凑的搜索和过滤区 */}
+                    <div className="search-filter-area">
+                      <input
+                        type="text"
+                        placeholder="搜索会议名称或创建人..."
+                        value={searchQuery}
+                        onChange={(e) => setSearchQuery(e.target.value)}
+                        className="compact-search-input"
+                      />
+
+                      {availableTags.length > 0 && (
+                        <div className="tag-filter-section">
+                          <div className="tag-filter-chips">
+                            {availableTags.map(tag => (
+                              <button
+                                key={tag}
+                                type="button"
+                                className={`tag-chip ${selectedTags.includes(tag) ? 'selected' : ''}`}
+                                onClick={() => handleTagToggle(tag)}
+                              >
+                                {tag}
+                              </button>
+                            ))}
+                          </div>
+                        </div>
+                      )}
+
+                      {(searchQuery || selectedTags.length > 0) && (
+                        <button
+                          type="button"
+                          className="clear-filters-btn"
+                          onClick={clearFilters}
+                        >
+                          <X size={14} />
+                          清除筛选
+                        </button>
+                      )}
+                    </div>
+
+                    <div className="meeting-list">
+                      {filteredMeetings.length === 0 ? (
+                        <div className="empty-state">
+                          <p>未找到匹配的会议</p>
+                        </div>
+                      ) : (
+                        filteredMeetings.map(meeting => (
+                          <div
+                            key={meeting.meeting_id}
+                            className={`meeting-item ${selectedMeetings.includes(meeting.meeting_id) ? 'selected' : ''}`}
+                            onClick={() => toggleMeetingSelection(meeting.meeting_id)}
+                          >
+                            <input
+                              type="checkbox"
+                              checked={selectedMeetings.includes(meeting.meeting_id)}
+                              onChange={(e) => {
+                                e.stopPropagation();
+                                toggleMeetingSelection(meeting.meeting_id);
+                              }}
+                              onClick={(e) => e.stopPropagation()}
+                            />
+                            <div className="meeting-item-content">
+                              <div className="meeting-item-title">{meeting.title}</div>
+                              {meeting.creator_username && (
+                                <div className="meeting-item-creator">创建人: {meeting.creator_username}</div>
+                              )}
+                            </div>
+                          </div>
+                        ))
+                      )}
+                    </div>
+                  </div>
+                  {selectedMeetings.length > 0 && (
+                    <div className="selected-meetings-info">
+                      已选择 {selectedMeetings.length} 个会议
+                    </div>
+                  )}
+                </div>
+              )}
+
+              {/* 步骤 2: 输入提示词 */}
+              {createStep === 2 && (
+                <div className="form-step">
+                  <div className="step-summary">
+                    <div className="summary-item">
+                      <span className="summary-label">已选择会议：</span>
+                      <span className="summary-value">{selectedMeetings.length} 个</span>
+                    </div>
+                  </div>
+                  <div className="form-group">
+                    <label>用户提示词（可选）</label>
+                    <p className="field-hint">您可以添加额外的要求来定制知识库生成内容，例如重点关注某个主题、提取特定信息等。如不填写，系统将使用默认提示词。</p>
+                    <textarea
+                      placeholder="例如：请重点关注会议中的决策事项和待办任务..."
+                      value={userPrompt}
+                      onChange={(e) => setUserPrompt(e.target.value)}
+                      className="kb-prompt-input"
+                      rows={8}
+                      autoFocus
+                    />
+                  </div>
                 </div>
               )}
-              <div className="form-group">
-                <label>用户提示词（可选）</label>
-                <textarea
-                  placeholder="请输入您的提示词..."
-                  value={userPrompt}
-                  onChange={(e) => setUserPrompt(e.target.value)}
-                  className="kb-prompt-input"
-                  rows={4}
-                />
-              </div>
             </div>
+
             <div className="modal-actions">
-              <button className="btn-cancel" onClick={() => setShowCreateForm(false)}>取消</button>
-              <button
-                className="btn-primary"
-                onClick={handleGenerate}
-                disabled={generating || selectedMeetings.length === 0}
-              >
-                {generating ? `生成中... ${progress}%` : '生成知识库'}
-              </button>
+              {createStep === 1 ? (
+                <>
+                  <button className="btn-cancel" onClick={() => {
+                    setShowCreateForm(false);
+                    setCreateStep(1);
+                    setSelectedMeetings([]);
+                    setUserPrompt('');
+                    setSearchQuery('');
+                    setSelectedTags([]);
+                  }}>取消</button>
+                  <button
+                    className="btn-primary"
+                    onClick={() => {
+                      if (selectedMeetings.length === 0) {
+                        showToast('请至少选择一个会议', 'warning');
+                        return;
+                      }
+                      setCreateStep(2);
+                    }}
+                    disabled={selectedMeetings.length === 0}
+                  >
+                    下一步
+                  </button>
+                </>
+              ) : (
+                <>
+                  <button className="btn-secondary" onClick={() => setCreateStep(1)}>上一步</button>
+                  <button
+                    className="btn-primary"
+                    onClick={handleGenerate}
+                    disabled={generating}
+                  >
+                    {generating ? `生成中... ${progress}%` : '生成知识库'}
+                  </button>
+                </>
+              )}
             </div>
           </div>
         </div>
       )}
 
-      {/* 删除确认弹窗 */}
-      {showDeleteConfirm && deletingKb && (
-        <div className="delete-modal-overlay" onClick={() => { setShowDeleteConfirm(false); setDeletingKb(null); }}>
-          <div className="delete-modal" onClick={(e) => e.stopPropagation()}>
-            <h3>确认删除</h3>
-            <p>确定要删除知识库条目 "{deletingKb.title}" 吗？此操作无法撤销。</p>
-            <div className="modal-actions">
-              <button className="btn-cancel" onClick={() => { setShowDeleteConfirm(false); setDeletingKb(null); }}>取消</button>
-              <button className="btn-delete" onClick={confirmDelete}>确定删除</button>
-            </div>
-          </div>
-        </div>
-      )}
+      {/* 删除确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={confirmDelete}
+        title="删除知识库"
+        message={`确定要删除知识库条目"${deleteConfirmInfo?.title}"吗？此操作无法撤销。`}
+        confirmText="确定删除"
+        cancelText="取消"
+        type="danger"
+      />
+
+      {/* Toast notifications */}
+      {toasts.map(toast => (
+        <Toast
+          key={toast.id}
+          message={toast.message}
+          type={toast.type}
+          onClose={() => removeToast(toast.id)}
+        />
+      ))}
     </div>
   );
 };
diff --git a/src/pages/MeetingDetails.jsx b/src/pages/MeetingDetails.jsx
index 7eb0a89..34a20d1 100644
--- a/src/pages/MeetingDetails.jsx
+++ b/src/pages/MeetingDetails.jsx
@@ -9,6 +9,9 @@ import rehypeSanitize from 'rehype-sanitize';
 import { buildApiUrl, API_ENDPOINTS, API_BASE_URL } from '../config/api';
 import ContentViewer from '../components/ContentViewer';
 import TagDisplay from '../components/TagDisplay';
+import ConfirmDialog from '../components/ConfirmDialog';
+import Toast from '../components/Toast';
+import PageLoading from '../components/PageLoading';
 import { Tabs } from 'antd';
 import html2canvas from 'html2canvas';
 import './MeetingDetails.css';
@@ -29,8 +32,7 @@ const MeetingDetails = ({ user }) => {
   const [showTranscript, setShowTranscript] = useState(true);
   const [audioUrl, setAudioUrl] = useState(null);
   const [audioFileName, setAudioFileName] = useState(null);
-  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
-  const [showSummaryError, setShowSummaryError] = useState(false);
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
   const [showSpeakerEdit, setShowSpeakerEdit] = useState(false);
   const [editingSpeakers, setEditingSpeakers] = useState({});
   const [speakerList, setSpeakerList] = useState([]);
@@ -54,9 +56,20 @@ const MeetingDetails = ({ user }) => {
   const [summaryTaskProgress, setSummaryTaskProgress] = useState(0);
   const [summaryTaskMessage, setSummaryTaskMessage] = useState('');
   const [summaryPollInterval, setSummaryPollInterval] = useState(null);
+  const [toasts, setToasts] = useState([]);
   const audioRef = useRef(null);
   const transcriptRefs = useRef([]);
 
+  // Toast 辅助函数
+  const showToast = (message, type = 'info') => {
+    const id = Date.now();
+    setToasts(prev => [...prev, { id, message, type }]);
+  };
+
+  const removeToast = (id) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  };
+
   useEffect(() => {
     fetchMeetingDetails();
     
@@ -708,7 +721,7 @@ const MeetingDetails = ({ user }) => {
   const openSummaryModal = async () => {
     // Frontend check before opening the modal
     if (!transcriptionStatus || transcriptionStatus.status !== 'completed') {
-      setShowSummaryError(true);
+      showToast('会议转录尚未完成或处理失败，请在转录成功后再生成AI总结。', 'warning');
       return; // Prevent modal from opening
     }
 
@@ -730,7 +743,7 @@ const MeetingDetails = ({ user }) => {
   const exportSummaryToImage = async () => {
     try {
       if (!meeting?.summary) {
-        alert('暂无会议总结内容，请先生成AI总结。');
+        showToast('暂无会议总结内容，请先生成AI总结。', 'warning');
         return;
       }
 
@@ -895,7 +908,7 @@ const MeetingDetails = ({ user }) => {
 
     } catch (error) {
       console.error('图片导出失败:', error);
-      alert('图片导出失败，请重试。');
+      showToast('图片导出失败，请重试。', 'error');
     }
   };
 
@@ -903,14 +916,14 @@ const MeetingDetails = ({ user }) => {
   const exportMindMapToImage = async () => {
     try {
       if (!meeting?.summary) {
-        alert('暂无内容，无法导出思维导图。');
+        showToast('暂无内容，无法导出思维导图。', 'warning');
         return;
       }
 
       // 查找SVG元素
       const svgElement = document.querySelector('.markmap-render-area svg');
       if (!svgElement) {
-        alert('未找到思维导图，请先切换到脑图标签页。');
+        showToast('未找到思维导图，请先切换到脑图标签页。', 'warning');
         return;
       }
 
@@ -938,14 +951,14 @@ const MeetingDetails = ({ user }) => {
 
     } catch (error) {
       console.error('思维导图导出失败:', error);
-      alert('思维导图导出失败，请重试。');
+      showToast('思维导图导出失败，请重试。', 'error');
     }
   };
 
   const isCreator = meeting && user && String(meeting.creator_id) === String(user.user_id);
 
   if (loading) {
-    return <div className="loading-container"><div className="loading-spinner"></div><p>加载中...</p></div>;
+    return <PageLoading message="加载中..." />;
   }
 
   if (error) {
@@ -971,9 +984,9 @@ const MeetingDetails = ({ user }) => {
               <Edit size={16} />
               <span>编辑会议</span>
             </Link>
-            <button 
+            <button
               className="action-btn delete-btn"
-              onClick={() => setShowDeleteConfirm(true)}
+              onClick={() => setDeleteConfirmInfo({ id: meeting_id, title: meeting.title })}
             >
               <Trash2 size={16} />
               <span>删除会议</span>
@@ -1291,47 +1304,17 @@ const MeetingDetails = ({ user }) => {
         </div>
       </div>
 
-      {/* Delete Confirmation Modal */}
-      {showDeleteConfirm && (
-        <div className="delete-modal-overlay" onClick={() => setShowDeleteConfirm(false)}>
-          <div className="delete-modal" onClick={(e) => e.stopPropagation()}>
-            <h3>确认删除</h3>
-            <p>确定要删除会议 "{meeting.title}" 吗？此操作无法撤销。</p>
-            <div className="modal-actions">
-              <button 
-                className="btn-cancel"
-                onClick={() => setShowDeleteConfirm(false)}
-              >
-                取消
-              </button>
-              <button 
-                className="btn-delete"
-                onClick={handleDeleteMeeting}
-              >
-                确定删除
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
-
-      {/* Summary Error Modal */}
-      {showSummaryError && (
-        <div className="delete-modal-overlay" onClick={() => setShowSummaryError(false)}>
-          <div className="delete-modal" onClick={(e) => e.stopPropagation()}>
-            <h3>操作无法进行</h3>
-            <p>会议转录尚未完成或处理失败，请在转录成功后再生成AI总结。</p>
-            <div className="modal-actions">
-              <button
-                className="btn-cancel"
-                onClick={() => setShowSummaryError(false)}
-              >
-                知道了
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
+      {/* Delete Confirmation Dialog */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={handleDeleteMeeting}
+        title="删除会议"
+        message={`确定要删除会议"${deleteConfirmInfo?.title}"吗？此操作无法撤销。`}
+        confirmText="确定删除"
+        cancelText="取消"
+        type="danger"
+      />
 
       {/* Speaker Tags Edit Modal */}
       {showSpeakerEdit && (
@@ -1347,9 +1330,7 @@ const MeetingDetails = ({ user }) => {
               </button>
             </div>
             
-            <div className="speaker-edit-content">
-              <p className="modal-description">根据AI识别的发言人ID，为每个发言人设置自定义标签：</p>
-              
+            <div className="speaker-edit-content">              
               <div className="speaker-list">
                 {speakerList.length > 0 ? (
                   speakerList.map((speaker) => {
@@ -1580,6 +1561,16 @@ const MeetingDetails = ({ user }) => {
           </div>
         </div>
       )}
+
+      {/* Toast notifications */}
+      {toasts.map(toast => (
+        <Toast
+          key={toast.id}
+          message={toast.message}
+          type={toast.type}
+          onClose={() => removeToast(toast.id)}
+        />
+      ))}
     </div>
   );
 };
diff --git a/src/pages/PromptManagementPage.css b/src/pages/PromptManagementPage.css
index 29b3eb5..071e0b3 100644
--- a/src/pages/PromptManagementPage.css
+++ b/src/pages/PromptManagementPage.css
@@ -7,13 +7,13 @@
 .prompt-header {
   background: white;
   border-bottom: 1px solid #e2e8f0;
-  padding: 1rem 2rem;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
 }
 
 .prompt-header .header-content {
   max-width: 1200px;
   margin: 0 auto;
+  padding: 1rem 2rem;
   display: flex;
   align-items: center;
   gap: 2rem;
diff --git a/src/pages/admin/PromptManagement.jsx b/src/pages/admin/PromptManagement.jsx
index 0e130b4..bab7b97 100644
--- a/src/pages/admin/PromptManagement.jsx
+++ b/src/pages/admin/PromptManagement.jsx
@@ -4,6 +4,7 @@ import { buildApiUrl, API_ENDPOINTS } from '../../config/api';
 import { Plus, MoreVertical, Edit, Trash2, BookText, Tag, FileText } from 'lucide-react';
 import './PromptManagement.css';
 import TagEditor from '../../components/TagEditor'; // Reusing the TagEditor component
+import ConfirmDialog from '../../components/ConfirmDialog';
 
 const PromptManagement = () => {
   const [prompts, setPrompts] = useState([]);
@@ -16,6 +17,7 @@ const PromptManagement = () => {
   const [isEditing, setIsEditing] = useState(false);
   const [currentPrompt, setCurrentPrompt] = useState(null);
   const [activeMenu, setActiveMenu] = useState(null); // For dropdown menu
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
   const menuRef = useRef(null);
 
   useEffect(() => {
@@ -80,16 +82,22 @@ const PromptManagement = () => {
     }
   };
 
-  const handleDelete = async (promptId) => {
+  const handleDelete = async (prompt) => {
     setActiveMenu(null); // Close menu
-    if (window.confirm('您确定要删除这个提示词吗？')) {
-        try {
-            await apiClient.delete(buildApiUrl(API_ENDPOINTS.PROMPTS.DELETE(promptId)));
-            fetchPrompts(); // Refresh list
-        } catch (err) {
-            setError(err.response?.data?.message || '删除失败');
-        }
+    setDeleteConfirmInfo({
+      id: prompt.id,
+      name: prompt.name
+    });
+  };
+
+  const handleConfirmDelete = async () => {
+    try {
+      await apiClient.delete(buildApiUrl(API_ENDPOINTS.PROMPTS.DELETE(deleteConfirmInfo.id)));
+      fetchPrompts(); // Refresh list
+    } catch (err) {
+      setError(err.response?.data?.message || '删除失败');
     }
+    setDeleteConfirmInfo(null);
   };
 
   const handleInputChange = (field, value) => {
@@ -120,7 +128,7 @@ const PromptManagement = () => {
                     {activeMenu === prompt.id && (
                         <div className="dropdown-menu">
                             <button className="dropdown-item" onClick={() => handleOpenModal(prompt)}><Edit size={16}/> 编辑</button>
-                            <button className="dropdown-item delete-item" onClick={() => handleDelete(prompt.id)}><Trash2 size={16}/> 删除</button>
+                            <button className="dropdown-item delete-item" onClick={() => handleDelete(prompt)}><Trash2 size={16}/> 删除</button>
                         </div>
                     )}
                   </div>
@@ -169,6 +177,18 @@ const PromptManagement = () => {
           </div>
         </div>
       )}
+
+      {/* 删除提示词确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={handleConfirmDelete}
+        title="删除提示词"
+        message={`确定要删除提示词"${deleteConfirmInfo?.name}"吗？此操作无法撤销。`}
+        confirmText="删除"
+        cancelText="取消"
+        type="danger"
+      />
     </div>
   );
 };
diff --git a/src/pages/admin/UserManagement.jsx b/src/pages/admin/UserManagement.jsx
index 8ad3dd2..e683553 100644
--- a/src/pages/admin/UserManagement.jsx
+++ b/src/pages/admin/UserManagement.jsx
@@ -2,6 +2,8 @@ import React, { useState, useEffect } from 'react';
 import apiClient from '../../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../../config/api';
 import { Plus, Edit, Trash2, KeyRound } from 'lucide-react';
+import ConfirmDialog from '../../components/ConfirmDialog';
+import Toast from '../../components/Toast';
 import './UserManagement.css';
 
 const UserManagement = () => {
@@ -13,12 +15,22 @@ const UserManagement = () => {
   const [error, setError] = useState('');
   const [showAddUserModal, setShowAddUserModal] = useState(false);
   const [showEditUserModal, setShowEditUserModal] = useState(false);
-  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
-  const [showResetConfirm, setShowResetConfirm] = useState(false);
-  const [processingUser, setProcessingUser] = useState(null);
+  const [deleteConfirmInfo, setDeleteConfirmInfo] = useState(null);
+  const [resetConfirmInfo, setResetConfirmInfo] = useState(null);
   const [newUser, setNewUser] = useState({ username: '', caption: '', email: '', role_id: 2 });
   const [editingUser, setEditingUser] = useState(null);
   const [roles, setRoles] = useState([]);
+  const [toasts, setToasts] = useState([]);
+
+  // Toast helper functions
+  const showToast = (message, type = 'info') => {
+    const id = Date.now();
+    setToasts(prev => [...prev, { id, message, type }]);
+  };
+
+  const removeToast = (id) => {
+    setToasts(prev => prev.filter(toast => toast.id !== id));
+  };
 
   useEffect(() => {
     fetchUsers();
@@ -96,20 +108,26 @@ const UserManagement = () => {
 
   const handleDeleteUser = async () => {
     try {
-      await apiClient.delete(buildApiUrl(API_ENDPOINTS.USERS.DELETE(processingUser.user_id)));
-      setShowDeleteConfirm(false);
+      await apiClient.delete(buildApiUrl(API_ENDPOINTS.USERS.DELETE(deleteConfirmInfo.user_id)));
+      setDeleteConfirmInfo(null);
+      showToast('用户删除成功', 'success');
       fetchUsers(); // Refresh user list
     } catch (err) {
       console.error('Error deleting user:', err);
+      showToast('删除用户失败，请重试', 'error');
+      setDeleteConfirmInfo(null);
     }
   };
 
   const handleResetPassword = async () => {
     try {
-      await apiClient.post(buildApiUrl(API_ENDPOINTS.USERS.RESET_PASSWORD(processingUser.user_id)));
-      setShowResetConfirm(false);
+      await apiClient.post(buildApiUrl(API_ENDPOINTS.USERS.RESET_PASSWORD(resetConfirmInfo.user_id)));
+      setResetConfirmInfo(null);
+      showToast('密码重置成功', 'success');
     } catch (err) {
       console.error('Error resetting password:', err);
+      showToast('重置密码失败，请重试', 'error');
+      setResetConfirmInfo(null);
     }
   };
 
@@ -119,13 +137,11 @@ const UserManagement = () => {
   };
 
   const openDeleteConfirm = (user) => {
-    setProcessingUser(user);
-    setShowDeleteConfirm(true);
+    setDeleteConfirmInfo({ user_id: user.user_id, caption: user.caption });
   };
 
   const openResetConfirm = (user) => {
-    setProcessingUser(user);
-    setShowResetConfirm(true);
+    setResetConfirmInfo({ user_id: user.user_id, caption: user.caption });
   };
 
   return (
@@ -252,31 +268,39 @@ const UserManagement = () => {
         </div>
       )}
 
-      {showDeleteConfirm && processingUser && (
-        <div className="modal-overlay">
-          <div className="modal-content">
-            <h2>确认删除</h2>
-            <p>您确定要删除用户 <strong>{processingUser.caption}</strong> 吗？此操作无法撤销。</p>
-            <div className="modal-actions">
-              <button type="button" className="btn btn-secondary" onClick={() => setShowDeleteConfirm(false)}>取消</button>
-              <button type="button" className="btn btn-danger" onClick={handleDeleteUser}>确认删除</button>
-            </div>
-          </div>
-        </div>
-      )}
+      {/* 删除用户确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!deleteConfirmInfo}
+        onClose={() => setDeleteConfirmInfo(null)}
+        onConfirm={handleDeleteUser}
+        title="删除用户"
+        message={`确定要删除用户"${deleteConfirmInfo?.caption}"吗？此操作无法撤销。`}
+        confirmText="确定删除"
+        cancelText="取消"
+        type="danger"
+      />
 
-      {showResetConfirm && processingUser && (
-        <div className="modal-overlay">
-          <div className="modal-content">
-            <h2>确认重置密码</h2>
-            <p>您确定要重置用户 <strong>{processingUser.caption}</strong> 的密码吗？</p>
-            <div className="modal-actions">
-              <button type="button" className="btn btn-secondary" onClick={() => setShowResetConfirm(false)}>取消</button>
-              <button type="button" className="btn btn-warning" onClick={handleResetPassword}>确认重置</button>
-            </div>
-          </div>
-        </div>
-      )}
+      {/* 重置密码确认对话框 */}
+      <ConfirmDialog
+        isOpen={!!resetConfirmInfo}
+        onClose={() => setResetConfirmInfo(null)}
+        onConfirm={handleResetPassword}
+        title="重置密码"
+        message={`确定要重置用户"${resetConfirmInfo?.caption}"的密码吗？重置后密码将恢复为系统默认密码。`}
+        confirmText="确定重置"
+        cancelText="取消"
+        type="warning"
+      />
+
+      {/* Toast notifications */}
+      {toasts.map(toast => (
+        <Toast
+          key={toast.id}
+          message={toast.message}
+          type={toast.type}
+          onClose={() => removeToast(toast.id)}
+        />
+      ))}
     </div>
   );
 };