diff --git a/ui/src/views/application/CreateAndSetting.vue b/ui/src/views/application/CreateAndSetting.vue
index ba041722f..c18426290 100644
--- a/ui/src/views/application/CreateAndSetting.vue
+++ b/ui/src/views/application/CreateAndSetting.vue
@@ -102,7 +102,7 @@
 
                     <el-popover :visible="popoverVisible" :width="300" trigger="click">
                       <template #reference>
-                        <el-button type="primary" link @click="popoverVisible = !popoverVisible"
+                        <el-button type="primary" link @click="datasetSettingChange('open')"
                           >参数设置</el-button
                         >
                       </template>
@@ -123,7 +123,7 @@
                           <div @click.stop>
                             高于
                             <el-input-number
-                              v-model="applicationForm.dataset_setting.similarity"
+                              v-model="dataset_setting.similarity"
                               :min="0"
                               :max="1"
                               :precision="3"
@@ -139,7 +139,7 @@
                           <div @click.stop>
                             TOP
                             <el-input-number
-                              v-model="applicationForm.dataset_setting.top_n"
+                              v-model="dataset_setting.top_n"
                               :min="1"
                               :max="10"
                               controls-position="right"
@@ -154,7 +154,7 @@
                           <div class="title mb-8">最多引用字符数</div>
                           <div class="flex align-center">
                             <el-slider
-                              v-model="applicationForm.dataset_setting.max_paragraph_char_number"
+                              v-model="dataset_setting.max_paragraph_char_number"
                               show-input
                               :show-input-controls="false"
                               :min="500"
@@ -167,7 +167,11 @@
                         </div>
                       </div>
                       <div class="text-right">
-                        <el-button type="primary" @click="popoverVisible = false" size="small"
+                        <el-button @click="popoverVisible = false">取消</el-button>
+                        <el-button
+                          type="primary"
+                          @click="datasetSettingChange('close')"
+                          size="small"
                           >确认</el-button
                         >
                       </div>
@@ -267,6 +271,7 @@
         </div>
       </el-col>
     </el-row>
+    <!-- 提示词 -->
     <el-dialog v-model="dialogFormVisible" title="提示词">
       <el-alert type="info" show-icon class="mb-16" :closable="false">
         <p>通过调整提示词内容，可以引导大模型聊天方向，该提示词会被固定在上下文的开头。</p>
@@ -347,8 +352,7 @@ const defaultPrompt = `已知信息：
 问题：
 
 {question}
-    `
-
+`
 const createModelRef = ref<InstanceType<typeof CreateModelDialog>>()
 const selectProviderRef = ref<InstanceType<typeof SelectProviderDialog>>()
 
@@ -396,6 +400,17 @@ const datasetList = ref([])
 const dialogFormVisible = ref(false)
 
 const model_setting_prompt = ref('')
+const dataset_setting = ref<any>({})
+
+function datasetSettingChange(val: string) {
+  if (val === 'open') {
+    popoverVisible.value = true
+    dataset_setting.value = cloneDeep(applicationForm.value.dataset_setting)
+  } else if (val === 'close') {
+    popoverVisible.value = false
+    applicationForm.value.dataset_setting = cloneDeep(dataset_setting.value)
+  }
+}
 
 function promptChange(val: string) {
   if (val === 'open') {
diff --git a/ui/src/views/hit-test/index.vue b/ui/src/views/hit-test/index.vue
index 3b8110b47..944977e77 100644
--- a/ui/src/views/hit-test/index.vue
+++ b/ui/src/views/hit-test/index.vue
@@ -75,17 +75,15 @@
       <ParagraphDialog ref="ParagraphDialogRef" :title="title" @refresh="refresh" />
     </LayoutContainer>
     <div class="hit-test__operate p-24 pt-0">
-      <el-popover :visible="popoverVisible" placement="top-start" :width="500" trigger="click">
+      <el-popover :visible="popoverVisible" placement="top-start" :width="570" trigger="click">
         <template #reference>
-          <el-button icon="Setting" class="mb-8" @click="popoverVisible = !popoverVisible"
-            >参数设置</el-button
-          >
+          <el-button icon="Setting" class="mb-8" @click="settingChange('open')">参数设置</el-button>
         </template>
         <div class="flex">
           <div>
             相似度高于
             <el-input-number
-              v-model="formInline.similarity"
+              v-model="cloneForm.similarity"
               :min="0"
               :max="1"
               :precision="3"
@@ -98,7 +96,7 @@
           <div class="ml-16">
             返回 Top
             <el-input-number
-              v-model="formInline.top_number"
+              v-model="cloneForm.top_number"
               :min="1"
               :max="10"
               controls-position="right"
@@ -106,8 +104,8 @@
             />
             个分段
           </div>
-          <!-- <el-button class="ml-16" @click="popoverVisible = false">取消</el-button> -->
-          <el-button class="ml-16" type="primary" @click="popoverVisible = false">确认</el-button>
+          <el-button class="ml-16" @click="popoverVisible = false">取消</el-button>
+          <el-button class="ml-16" type="primary" @click="settingChange('close')">确认</el-button>
         </div>
       </el-popover>
       <div class="operate-textarea flex">
@@ -141,6 +139,7 @@
 <script setup lang="ts">
 import { reactive, ref, onMounted, computed } from 'vue'
 import { useRoute } from 'vue-router'
+import { cloneDeep } from 'lodash'
 import datasetApi from '@/api/dataset'
 import applicationApi from '@/api/application'
 import ParagraphDialog from '@/views/paragraph/component/ParagraphDialog.vue'
@@ -156,10 +155,13 @@ const loading = ref(false)
 const paragraphDetail = ref<any[]>([])
 const title = ref('')
 const inputValue = ref('')
-const formInline = reactive({
+const formInline = ref({
   similarity: 0.6,
   top_number: 5
 })
+
+const cloneForm = ref<any>({})
+
 const popoverVisible = ref(false)
 const questionTitle = ref('')
 
@@ -174,6 +176,16 @@ const isDataset = computed(() => {
   return meta?.activeMenu.includes('dataset')
 })
 
+function settingChange(val: string) {
+  if (val === 'open') {
+    popoverVisible.value = true
+    cloneForm.value = cloneDeep(formInline.value)
+  } else if (val === 'close') {
+    popoverVisible.value = false
+    formInline.value = cloneDeep(cloneForm.value)
+  }
+}
+
 function editParagraph(row: any) {
   title.value = '分段详情'
   ParagraphDialogRef.value.open(row)