diff --git a/ui/src/api/dataset.ts b/ui/src/api/dataset.ts
index 322017a08..3b4325ece 100644
--- a/ui/src/api/dataset.ts
+++ b/ui/src/api/dataset.ts
@@ -102,7 +102,7 @@ const postSplitDocument: (data: any) => Promise<Result<any>> = (data) => {
  * @param loading 加载器
  * @returns 分段标识列表
  */
-const listSplitPattern: (loading?: Ref<boolean>) => Promise<Result<KeyValue<string, string>>> = (
+const listSplitPattern: (loading?: Ref<boolean>) => Promise<Result<Array<KeyValue<string, string>>>> = (
   loading
 ) => {
   return get(`${prefix}/document/split_pattern`, {}, loading)
diff --git a/ui/src/views/dataset/step/StepSecond.vue b/ui/src/views/dataset/step/StepSecond.vue
index d4430cbbc..814a52783 100644
--- a/ui/src/views/dataset/step/StepSecond.vue
+++ b/ui/src/views/dataset/step/StepSecond.vue
@@ -13,43 +13,29 @@
                 </el-radio>
                 <el-radio label="2" size="large" border class="mb-16">
                   <p>高级分段</p>
-                  <el-text type="info"
-                    >用户可根据文档规范自行设置分段标识符、分段长度以及清洗规则
+                  <el-text type="info">用户可根据文档规范自行设置分段标识符、分段长度以及清洗规则
                   </el-text>
                   <el-card shadow="never" class="card-never mt-16" v-if="radio === '2'">
                     <div class="set-rules__form">
                       <div class="form-item mb-16">
                         <div class="title flex align-center mb-8">
                           <span style="margin-right: 4px">分段标识</span>
-                          <el-tooltip
-                            effect="dark"
-                            content="按照所选符号先后顺序做递归分割，分割结果超出分段长度将截取至分段长度。"
-                            placement="right"
-                          >
-                            <el-icon style="font-size: 16px"><Warning /></el-icon>
+                          <el-tooltip effect="dark" content="按照所选符号先后顺序做递归分割，分割结果超出分段长度将截取至分段长度。" placement="right">
+                            <el-icon style="font-size: 16px">
+                              <Warning />
+                            </el-icon>
                           </el-tooltip>
                         </div>
 
                         <el-select v-loading="patternLoading" v-model="form.patterns" multiple placeholder="请选择">
-                          <el-option
-                            v-for="item in splitPatternList"
-                            :key="item"
-                            :label="item.key"
-                            :value="item.value"
-                            multiple
-                          >
+                          <el-option v-for="item in splitPatternList" :key="item" :label="item.key" :value="item.value"
+                            multiple>
                           </el-option>
                         </el-select>
                       </div>
                       <div class="form-item mb-16">
                         <div class="title mb-8">分段长度</div>
-                        <el-slider
-                          v-model="form.limit"
-                          show-input
-                          :show-input-controls="false"
-                          :min="50"
-                          :max="1024"
-                        />
+                        <el-slider v-model="form.limit" show-input :show-input-controls="false" :min="50" :max="1024" />
                       </div>
                       <div class="form-item mb-16">
                         <div class="title mb-8">自动清洗</div>
@@ -80,19 +66,19 @@
   </div>
 </template>
 <script setup lang="ts">
-import { ref, computed, onMounted, reactive,watch } from 'vue'
+import { ref, computed, onMounted, reactive, watch } from 'vue'
 import ParagraphPreview from '@/views/dataset/component/ParagraphPreview.vue'
 import DatasetApi from '@/api/dataset'
 import useStore from '@/stores'
 import type { KeyValue } from '@/api/type/common'
 const { dataset } = useStore()
 const documentsFiles = computed(() => dataset.documentsFiles)
-const splitPatternList = ref<list<KeyValue>>([])
+const splitPatternList = ref<Array<KeyValue<string, string>>>([])
 
 const radio = ref('1')
 const loading = ref(false)
 const paragraphList = ref<any[]>([])
-const patternLoading=ref<boolean>(false)
+const patternLoading = ref<boolean>(false)
 
 const form = reactive<any>({
   patterns: [] as any,
@@ -124,13 +110,13 @@ function splitDocument() {
 }
 
 const initSplitPatternList = () => {
-  DatasetApi.listSplitPattern(patternLoading).then(ok=>{
-    splitPatternList.value=ok.data
+  DatasetApi.listSplitPattern(patternLoading).then(ok => {
+    splitPatternList.value = ok.data
   })
 }
 
-watch(radio,()=>{
-  if(radio.value==='2'){
+watch(radio, () => {
+  if (radio.value === '2') {
     initSplitPatternList()
   }
 })
@@ -146,6 +132,7 @@ defineExpose({
 <style scoped lang="scss">
 .set-rules {
   width: 100%;
+
   .set-rules-height {
     height: var(--create-dataset-height);
   }
@@ -154,8 +141,10 @@ defineExpose({
     max-height: calc(var(--create-dataset-height) - 105px);
     overflow-x: hidden;
   }
+
   &__radio {
     display: block;
+
     .el-radio {
       white-space: break-spaces;
       width: 100%;
@@ -164,19 +153,23 @@ defineExpose({
       line-height: 22px;
       color: var(--app-text-color);
     }
+
     :deep(.el-radio__label) {
       padding-left: 32px;
       width: 100%;
     }
+
     :deep(.el-radio__input) {
       position: absolute;
       top: 30px;
     }
   }
+
   &__form {
     .el-select {
       width: 100%;
     }
+
     .title {
       font-size: 14px;
       font-weight: 400;