diff --git "a/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921143531A001.png" "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921143531A001.png"
new file mode 100644
index 00000000..a96b47dd
Binary files /dev/null and "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921143531A001.png" differ
diff --git "a/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163507A002.png" "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163507A002.png"
new file mode 100644
index 00000000..a96b47dd
Binary files /dev/null and "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163507A002.png" differ
diff --git "a/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163604A001.png" "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163604A001.png"
new file mode 100644
index 00000000..a96b47dd
Binary files /dev/null and "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163604A001.png" differ
diff --git "a/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163837A002.png" "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163837A002.png"
new file mode 100644
index 00000000..a96b47dd
Binary files /dev/null and "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163837A002.png" differ
diff --git "a/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163849A003.png" "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163849A003.png"
new file mode 100644
index 00000000..a96b47dd
Binary files /dev/null and "b/D:\\ruoyi\\uploadPath\\oms/upload/2026/09/21/企业微信截图_0645af68-828e-4136-97e5-ab0de7e5983b_20260921163849A003.png" differ
diff --git a/oms_web/oms_vue/src/components/GlobalFilePreview/index.vue b/oms_web/oms_vue/src/components/GlobalFilePreview/index.vue
index 7feaf6f6..06e3fa69 100644
--- a/oms_web/oms_vue/src/components/GlobalFilePreview/index.vue
+++ b/oms_web/oms_vue/src/components/GlobalFilePreview/index.vue
@@ -11,8 +11,6 @@
 </template>
 
 <script>
-import request from '@/utils/request';
-
 export default {
   name: "GlobalFilePreview",
   data() {
@@ -27,25 +25,32 @@ export default {
     isPdf(filePath) {
       return filePath && filePath.toLowerCase().endsWith('.pdf');
     },
-    getImageUrl(resource) {
-      return process.env.VUE_APP_BASE_API + "/common/download/resource?resource=" + resource;
+    getFileBaseName(filePath) {
+      if (!filePath) return '';
+      const parts = filePath.split('/');
+      return parts[parts.length - 1] || '';
+    },
+    // 在线查看地址：后端以 inline 方式返回文件（图片/PDF 可直接在浏览器渲染）
+    getViewUrl(filePath, fileName) {
+      const resource = encodeURIComponent(filePath || '');
+      const name = encodeURIComponent(fileName || this.getFileBaseName(filePath));
+      return `${process.env.VUE_APP_BASE_API}/project/order/file/view?filePath=${resource}&fileName=${name}`;
     },
     handlePreview(attachment) {
-      if (!attachment) return;
-      if (this.isPdf(attachment.filePath)) {
-        request({
-          url: '/common/download/resource',
-          method: 'get',
-          params: { resource: attachment.filePath },
-          responseType: 'blob'
-        }).then(res => {
-          const blob = new Blob([res.data], { type: 'application/pdf' });
-          this.currentPdfUrl = URL.createObjectURL(blob);
-          this.pdfPreviewVisible = true;
-        });
-      } else {
-        this.currentImageUrl = this.getImageUrl(attachment.filePath);
+      if (!attachment || !attachment.filePath) {
+        return;
+      }
+      const filePath = attachment.filePath.toLowerCase();
+      const isImage = /\.(png|jpg|jpeg|gif)$/.test(filePath);
+      if (this.isPdf(filePath)) {
+        this.currentPdfUrl = this.getViewUrl(attachment.filePath, attachment.fileName);
+        this.pdfPreviewVisible = true;
+      } else if (isImage) {
+        this.currentImageUrl = this.getViewUrl(attachment.filePath, attachment.fileName);
         this.imagePreviewVisible = true;
+      } else {
+        // 浏览器无法直接渲染的格式，改为新窗口打开（由浏览器决定预览或下载）
+        window.open(this.getViewUrl(attachment.filePath, attachment.fileName), '_blank');
       }
     },
     downloadFile(attachment){
diff --git a/oms_web/oms_vue/src/views/finance/payable/components/EditForm.vue b/oms_web/oms_vue/src/views/finance/payable/components/EditForm.vue
index 971e3fe9..3b880533 100644
--- a/oms_web/oms_vue/src/views/finance/payable/components/EditForm.vue
+++ b/oms_web/oms_vue/src/views/finance/payable/components/EditForm.vue
@@ -342,6 +342,7 @@ export default {
       updatePaymentBill(form).then(() => {
         this.$modal.msgSuccess("保存成功");
         this.paymentDetailOpen = false;
+        this.getDetails();
       }).catch(error => {
         console.error("保存补充附件失败", error);
         this.$modal.msgError("保存失败");
diff --git a/oms_web/oms_vue/src/views/finance/payment/components/DetailDrawer.vue b/oms_web/oms_vue/src/views/finance/payment/components/DetailDrawer.vue
index 1f5695c5..13d80426 100644
--- a/oms_web/oms_vue/src/views/finance/payment/components/DetailDrawer.vue
+++ b/oms_web/oms_vue/src/views/finance/payment/components/DetailDrawer.vue
@@ -13,6 +13,7 @@
       <div class="section">
         <el-divider content-position="left">付款单</el-divider>
         <div class="section-actions">
+          <el-button v-if="editEnabled" type="primary" size="mini" @click="handleSaveAttachment">保存</el-button>
           <el-button type="primary" size="mini" :loading="pdfExporting" @click="handleExportPDF">导出PDF</el-button>
           <el-button size="mini" @click="handlePrint">打印</el-button>
         </div>
@@ -31,7 +32,18 @@
           </el-row>
           <el-row :gutter="20">
             <el-col :span="8">
-              <div class="detail-item">含税总价(元):<span :class="{'red-text':detail.paymentBillType==='REFUND'}"> {{ formatCurrency(detail.totalPriceWithTax) }}</span></div>
+              <div class="detail-item">含税总价(元):
+                <el-input-number
+                  v-if="editEnabled"
+                  v-model="editTotalPriceWithTax"
+                  :precision="2"
+                  :min="0.01"
+                  :step="100"
+                  size="mini"
+                  style="width: 160px; margin-left: 8px"
+                />
+                <span v-else :class="{'red-text':detail.paymentBillType==='REFUND'}"> {{ formatCurrency(detail.totalPriceWithTax) }}</span>
+              </div>
             </el-col>
             <el-col :span="8">
               <div class="detail-item">未税总价(元): <span :class="{'red-text':detail.paymentBillType==='REFUND'}">{{ formatCurrency(detail.totalPriceWithoutTax) }}</span></div>
@@ -103,19 +115,27 @@
           <el-button type="success" size="mini" icon="el-icon-download" :loading="zipDownloading" @click="handleDownloadAllAttachments" style="margin-bottom: 10px">一键下载附件</el-button>
           <el-row :gutter="20">
             <el-col :span="24">
-              <div class="detail-item">
+              <div class="detail-item" style="align-items: flex-start">
                 <span style="margin-right: 10px">附件:</span>
-                <file-upload :value="detail.fileList" :disabled="true" :show-remove="false" :show-upload-btn="false"/>
+                <file-upload v-if="!editEnabled" :value="detail.fileList" :disabled="true" :show-remove="false" :show-upload-btn="false"/>
+                <div v-else class="attachment-edit-list">
+                  <span v-for="file in visibleFileList" :key="file.id" class="attachment-edit-item">
+                    <el-link type="primary" :underline="false" @click="handlePreviewAttachment(file)">
+                      <i class="el-icon-document"></i> {{ file.fileName }}
+                    </el-link>
+                    <el-link type="danger" :underline="false" style="margin-left: 8px" @click="handleRemoveSavedFile(file)">删除</el-link>
+                  </span>
+                  <span v-if="visibleFileList.length === 0" style="color: #909399">暂无附件</span>
+                </div>
               </div>
             </el-col>
           </el-row>
-          <el-row :gutter="20" class="export-exclude" v-if="detail.fileList == null || detail.fileList.length < 10">
+          <el-row :gutter="20" class="export-exclude" v-if="editEnabled && visibleFileList.length < 10">
             <el-col :span="24">
               <div class="detail-item">
                 <span style="margin-right: 10px">附件补充:</span>
-                <file-upload :value="fileList" @file-list-changed="handleFileListChanged" :limit="detail.fileList == null ? 10 : 10 - detail.fileList.length"
+                <file-upload :value="fileList" @file-list-changed="handleFileListChanged" :limit="10 - visibleFileList.length"
                              :file-size="10" :file-type="['png', 'jpg', 'jpeg', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'txt', 'pdf', 'zip', 'rar']"/>
-                <el-button type="primary" size="small" style="margin-left: 10px" @click="handleSaveAttachment">保存</el-button>
               </div>
             </el-col>
           </el-row>
@@ -154,6 +174,7 @@
       </div>
     </div>
     <edit-form :visible.sync="payableVisible" :data="selectedPayableRow" :z-index="2000" @close="payableVisible = false" />
+    <global-file-preview ref="filePreview" />
   </el-drawer>
 </template>
 
@@ -164,12 +185,13 @@ import { saveAs } from "file-saver";
 import FileUpload from "@/components/FileUpload";
 import EditForm from "@/views/finance/payable/components/EditForm.vue";
 import FlowOpinionTimeline from "@/views/finance/components/FlowOpinionTimeline.vue";
+import GlobalFilePreview from "@/components/GlobalFilePreview";
 import { listCompletedFlows } from "@/api/flow";
 import { exportElementToPDF } from "@/views/approve/finance/pdfUtils";
 
 export default {
   name: "DetailDrawer",
-  components: {FileUpload, EditForm, FlowOpinionTimeline},
+  components: {FileUpload, EditForm, FlowOpinionTimeline, GlobalFilePreview},
   props: {
     visible: {
       type: Boolean,
@@ -187,7 +209,10 @@ export default {
   data() {
     return {
       fileList: [],
-      fileId: null,
+      // 编辑中的含税总价
+      editTotalPriceWithTax: null,
+      // 已存在附件中被删除的附件ID
+      removedFileIds: [],
       payableVisible: false,
       selectedPayableRow: {},
       approveLogs: [],
@@ -197,6 +222,18 @@ export default {
       zipDownloading: false,
     };
   },
+  computed: {
+    // 仅"预付单"且处于"待提交(0)/已驳回(3)"状态时才允许编辑含税总价与附件
+    editEnabled() {
+      const detail = this.detail || {};
+      return detail.paymentBillType === 'PRE_PAYMENT' && ['0', '3'].includes(detail.approveStatus);
+    },
+    // 过滤掉已删除的已存在附件
+    visibleFileList() {
+      const list = Array.isArray(this.detail && this.detail.fileList) ? this.detail.fileList : [];
+      return list.filter(file => file && !this.removedFileIds.includes(file.id));
+    }
+  },
   beforeDestroy() {
     if (this.approveLogsTimer) {
       clearTimeout(this.approveLogsTimer);
@@ -206,8 +243,7 @@ export default {
   watch: {
     visible(newVal) {
       if (newVal) {
-        this.fileList = [];
-        this.fileId = null;
+        this.resetEditState();
         this.scheduleLoadApproveHistory();
       } else {
         if (this.approveLogsTimer) {
@@ -219,8 +255,7 @@ export default {
     },
     detail: {
       handler() {
-        this.fileList = [];
-        this.fileId = null;
+        this.resetEditState();
         this.scheduleLoadApproveHistory();
       },
       deep: true
@@ -244,23 +279,43 @@ export default {
     },
     handleFileListChanged(fileList) {
       this.fileList = fileList;
-      this.fileId = this.fileList.map(f => f.id).filter(id => !!id).join(',')
     },
-    handleSaveAttachment() {
-      if (this.fileList.length === 0) {
-        this.$modal.msgWarning('请先上传附件');
+    resetEditState() {
+      this.fileList = [];
+      this.removedFileIds = [];
+      this.editTotalPriceWithTax = this.detail ? this.detail.totalPriceWithTax : null;
+    },
+    handleRemoveSavedFile(file) {
+      if (file && file.id != null && !this.removedFileIds.includes(file.id)) {
+        this.removedFileIds.push(file.id);
+      }
+    },
+    handlePreviewAttachment(file) {
+      if (!file || !file.filePath) {
+        this.$modal.msgWarning('附件地址为空，无法预览');
         return;
       }
-      const oldFileId = this.detail.fileId;
-      this.fileId = oldFileId === null || oldFileId === '' ? this.fileId : oldFileId + ',' + this.fileId;
+      // 图片/PDF 弹窗预览，其他格式交由组件在新窗口打开
+      this.$refs.filePreview.handlePreview(file);
+    },
+    handleSaveAttachment() {
+      const totalPriceWithTax = Number(this.editTotalPriceWithTax);
+      if (this.editTotalPriceWithTax === null || this.editTotalPriceWithTax === undefined
+        || this.editTotalPriceWithTax === '' || Number.isNaN(totalPriceWithTax) || totalPriceWithTax <= 0) {
+        this.$modal.msgWarning('请输入大于0的含税总价');
+        return;
+      }
+      const keptFileIds = this.visibleFileList.map(f => f.id).filter(id => !!id);
+      const newFileIds = this.fileList.map(f => f.id).filter(id => !!id);
       const saveData = {
         id: this.detail.id,
-        fileId: this.fileId,
+        totalPriceWithTax: this.editTotalPriceWithTax,
+        fileId: keptFileIds.concat(newFileIds).join(','),
       };
       this.$emit('submit', saveData);
     },
     getAllAttachments() {
-      const saved = Array.isArray(this.detail.fileList) ? this.detail.fileList : [];
+      const saved = this.visibleFileList;
       // 补充附件：优先取已保存的，未点击保存前取当前新增的上传对象
       const supplement = Array.isArray(this.fileList) ? this.fileList : [];
       const result = [];
@@ -465,6 +520,21 @@ export default {
   padding: 0 20px 20px 20px; /* Adjust padding to match dialog-body style */
 }
 
+.attachment-edit-list {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.attachment-edit-item {
+  display: inline-flex;
+  align-items: center;
+  border: 1px solid #EBEEF5;
+  border-radius: 4px;
+  padding: 2px 8px;
+  background: #fafafa;
+}
+
 .details-container {
   border: 1px solid #EBEEF5;
   padding: 20px;
diff --git a/oms_web/oms_vue/src/views/finance/payment/index.vue b/oms_web/oms_vue/src/views/finance/payment/index.vue
index 03d85462..cbb756e5 100644
--- a/oms_web/oms_vue/src/views/finance/payment/index.vue
+++ b/oms_web/oms_vue/src/views/finance/payment/index.vue
@@ -737,10 +737,10 @@ export default {
       return `${Number(value) * 100}%`;
     },
     handleUpdatePaymentBillSubmit(form) {
-      console.log(form);
       updatePaymentBill(form).then(response => {
         this.$modal.msgSuccess("保存成功");
         this.detailOpen = false;
+        this.getList();
       }).catch(error => {
         console.error("保存补充附件失败", error);
         this.$modal.msgError("保存失败");
diff --git a/ruoyi-admin/src/main/resources/logback.xml b/ruoyi-admin/src/main/resources/logback.xml
index ede6e534..60a15b09 100644
--- a/ruoyi-admin/src/main/resources/logback.xml
+++ b/ruoyi-admin/src/main/resources/logback.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
     <!-- 日志存放路径 -->
-	<property name="log.path" value="/Users/jiliu/WorkSpace/java/RuoYi/logs" />
-<!--    <property name="log.path" value="/Users/kangwenjing/Downloads/project/logs" />-->
+<!--	<property name="log.path" value="/Users/jiliu/WorkSpace/java/RuoYi/logs" />-->
+    <property name="log.path" value="/Users/kangwenjing/Downloads/project/logs" />
     <!-- 日志输出格式 -->
 	<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n" />
 
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsInventoryInnerServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsInventoryInnerServiceImpl.java
index 2e4e819c..056433a9 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsInventoryInnerServiceImpl.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsInventoryInnerServiceImpl.java
@@ -166,13 +166,10 @@ public class OmsInventoryInnerServiceImpl implements IOmsInventoryInnerService {
         }
         omsInventoryInner.setWarehouseId(warehouseIdList.get(0));
 
-        OmsPurchaseOrderItem purchaseOrderItem = null;
-        //无采购单时无法跟踪入库完成度，默认已完成（每次入库即生成应付单，与原行为一致）
-        boolean innerComplete = true;
         if (omsInventoryInner.getItemId() != null) {
             List<OmsPurchaseOrderItem> purchaseOrderItems = purchaseOrderService.listByItemId(omsInventoryInner.getItemId());
             if (CollUtil.isNotEmpty(purchaseOrderItems)) {
-                purchaseOrderItem = purchaseOrderItems.stream()
+                OmsPurchaseOrderItem purchaseOrderItem = purchaseOrderItems.stream()
                         .filter(item -> item.getId().equals(omsInventoryInner.getItemId()))
                         .findFirst()
                         .orElse(null);
@@ -186,8 +183,6 @@ public class OmsInventoryInnerServiceImpl implements IOmsInventoryInnerService {
                     if (currentInnerQuantity > remainingQuantity) {
                         throw new ServiceException(StrUtil.format("入库数量[{}]超过采购单剩余可入库数量[{}]", currentInnerQuantity, remainingQuantity));
                     }
-                    innerComplete = (alreadyInnerQuantity + currentInnerQuantity) >= purchaseQuantity;
-
                     BigDecimal purchasePrice = purchaseOrderItem.getPrice();
                     if (purchasePrice != null) {
                         for (InventoryInfo inventoryInfo : inventoryInfoList) {
@@ -204,25 +199,13 @@ public class OmsInventoryInnerServiceImpl implements IOmsInventoryInnerService {
         VendorInfo vendorInfo = vendorInfoService.selectVendorInfoByVendorCode(vendorCode);
         boolean innerPay = vendorInfo != null && VendorInfo.PayTypeEnum.INNER_PAY.getCode().equals(vendorInfo.getPayType());
         boolean notStandard = !Arrays.asList("1", "2").contains(omsInventoryInner.getProductType());
-        boolean isH3c = isH3C(productInfos.get(0).getVendorName());
-        //生成应付单：新华三直接生成；非新华三需入库完成后才生成
-        if ((innerPay || notStandard) && (isH3c || innerComplete)) {
+        //每次入库均生成应付单，金额按本次入库量计算
+        if (innerPay || notStandard) {
             BigDecimal reduce = inventoryInfoList.stream().map(InventoryInfo::getInnerPrice).filter(Objects::nonNull).reduce(BigDecimal.ZERO, BigDecimal::add);
-            BigDecimal totalPriceWithTax;
-            //非新华三且有完整采购单信息时，按整条采购单数量*单价生成
-            boolean usePurchaseOrder = !isH3c && purchaseOrderItem != null
-                    && purchaseOrderItem.getQuantity() != null
-                    && purchaseOrderItem.getPrice() != null;
-            if (usePurchaseOrder) {
-                totalPriceWithTax = purchaseOrderItem.getQuantity()
-                        .multiply(purchaseOrderItem.getPrice())
-                        .setScale(2, RoundingMode.HALF_UP);
-            } else {
-                //新华三或无采购单信息：服务金额为单价*数量（无具体详情）
-                totalPriceWithTax = Arrays.asList("3", "22").contains(omsInventoryInner.getProductType()) ?
-                        reduce.multiply(new BigDecimal(omsInventoryInner.getQuantity())).setScale(2, RoundingMode.HALF_UP)
-                        : reduce;
-            }
+            //服务金额为单价*数量 没有具体的详情
+            BigDecimal totalPriceWithTax = Arrays.asList("3", "22").contains(omsInventoryInner.getProductType()) ?
+                    reduce.multiply(new BigDecimal(omsInventoryInner.getQuantity())).setScale(2, RoundingMode.HALF_UP)
+                    : reduce;
             //生成应付单
             payableBill.setInventoryCode(omsInventoryInner.getInnerCode());
             payableBill.setVendorCode(omsInventoryInner.getVendorCode());
@@ -243,12 +226,7 @@ public class OmsInventoryInnerServiceImpl implements IOmsInventoryInnerService {
 
             }
             BigDecimal finalTaxRate = taxRate == null ? new BigDecimal(defaultTax) : taxRate;
-            BigDecimal withoutTax;
-            if (usePurchaseOrder) {
-                withoutTax = totalPriceWithTax.divide(BigDecimal.ONE.add(finalTaxRate), 2, RoundingMode.HALF_UP);
-            } else {
-                withoutTax = inventoryInfoList.stream().reduce(BigDecimal.ZERO, (a, b) -> a.add(b.getInnerPrice().divide(BigDecimal.ONE.add(finalTaxRate), 2, RoundingMode.HALF_UP)), BigDecimal::add);
-            }
+            BigDecimal withoutTax = inventoryInfoList.stream().reduce(BigDecimal.ZERO, (a, b) -> a.add(b.getInnerPrice().divide(BigDecimal.ONE.add(finalTaxRate), 2, RoundingMode.HALF_UP)), BigDecimal::add);
             payableBill.setTotalPriceWithoutTax(withoutTax);
             payableBill.setTaxRate(finalTaxRate);
             payableBill.setTaxAmount(totalPriceWithTax.subtract(payableBill.getTotalPriceWithoutTax()));
@@ -279,16 +257,6 @@ public class OmsInventoryInnerServiceImpl implements IOmsInventoryInnerService {
         return code.toString();
     }
 
-    /**
-     * 判断制造商是否为新华三
-     *
-     * @param vendorName 制造商名称
-     * @return 是新华三返回 true
-     */
-    private boolean isH3C(String vendorName) {
-        return StringUtils.isNotEmpty(vendorName) && vendorName.startsWith("新华三");
-    }
-
     /**
      * 修改入库单信息
      *
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPaymentBillServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPaymentBillServiceImpl.java
index 9be12a16..9d2c1c89 100644
--- a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPaymentBillServiceImpl.java
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/OmsPaymentBillServiceImpl.java
@@ -19,6 +19,7 @@ import com.ruoyi.common.config.flow.ProcessConfig;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.core.domain.entity.SysUser;
 import com.ruoyi.common.enums.ApproveStatusEnum;
+import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.DateUtils;
 import com.ruoyi.common.utils.DictUtils;
 import com.ruoyi.common.utils.ShiroUtils;
@@ -1020,7 +1021,34 @@ public class OmsPaymentBillServiceImpl implements IOmsPaymentBillService , TodoC
 
     @Override
     public int updatePaymentBill(OmsPaymentBill omsPaymentBill) {
-        return omsPaymentBillMapper.updateOmsPaymentBill(omsPaymentBill);
+        if (omsPaymentBill == null || omsPaymentBill.getId() == null) {
+            throw new ServiceException("付款单ID不能为空");
+        }
+        OmsPaymentBill existBill = omsPaymentBillMapper.selectOmsPaymentBillById(omsPaymentBill.getId());
+        if (existBill == null) {
+            throw new ServiceException("付款单不存在");
+        }
+        // 仅"预付单"允许编辑含税总价与附件
+        if (!OmsPaymentBill.PaymentBillTypeEnum.PRE_PAYMENT.getCode().equals(existBill.getPaymentBillType())) {
+            throw new ServiceException("仅预付单支持编辑");
+        }
+        // 仅"待提交"与"已驳回"状态允许编辑
+        if (!ApproveStatusEnum.WAIT_COMMIT.getCode().equals(existBill.getApproveStatus())
+                && !ApproveStatusEnum.APPROVE_REJECT.getCode().equals(existBill.getApproveStatus())) {
+            throw new ServiceException("当前审批状态不允许编辑");
+        }
+        if (omsPaymentBill.getTotalPriceWithTax() != null
+                && omsPaymentBill.getTotalPriceWithTax().compareTo(BigDecimal.ZERO) <= 0) {
+            throw new ServiceException("含税总价必须大于0");
+        }
+        // 白名单更新，避免越权修改审批状态、付款状态等字段
+        OmsPaymentBill updateBill = new OmsPaymentBill();
+        updateBill.setId(existBill.getId());
+        updateBill.setTotalPriceWithTax(omsPaymentBill.getTotalPriceWithTax());
+        updateBill.setFileId(omsPaymentBill.getFileId());
+        updateBill.setUpdateBy(ShiroUtils.getLoginName());
+        updateBill.setUpdateTime(DateUtils.getNowDate());
+        return omsPaymentBillMapper.updateOmsPaymentBill(updateBill);
     }
 
 }