diff --git a/ui/src/locales/lang/en-US/views/application.ts b/ui/src/locales/lang/en-US/views/application.ts
index 10f5d9495..ebc4ef7cd 100644
--- a/ui/src/locales/lang/en-US/views/application.ts
+++ b/ui/src/locales/lang/en-US/views/application.ts
@@ -139,7 +139,7 @@ export default {
       hybridSearch: 'Hybrid Search',
       hybridSearchTooltip:
         'Hybrid search is a retrieval method based on both vector and text similarity, suitable for medium data volumes in the knowledge.',
-      similarityThreshold: 'Lowest Similarity',
+      similarityThreshold: 'Similarity higher than',
       similarityTooltip: 'The higher the similarity, the stronger the correlation.',
       topReferences: 'Top N Segments',
       maxCharacters: 'Maximum  Characters per Reference',
diff --git a/ui/src/views/application-workflow/index.vue b/ui/src/views/application-workflow/index.vue
index 60a892a1a..942ae5c30 100644
--- a/ui/src/views/application-workflow/index.vue
+++ b/ui/src/views/application-workflow/index.vue
@@ -377,6 +377,7 @@ function saveApplication(bool?: boolean, back?: boolean) {
     .then((res) => {
       saveTime.value = new Date()
       if (bool) {
+        cloneWorkFlow.value = getGraphData()
         MsgSuccess(t('common.saveSuccess'))
         if (back) {
           router.push({ path: `/application/${id}/WORK_FLOW/overview` })
diff --git a/ui/src/views/application/index.vue b/ui/src/views/application/index.vue
index 263166a86..a59743501 100644
--- a/ui/src/views/application/index.vue
+++ b/ui/src/views/application/index.vue
@@ -180,7 +180,6 @@ import { isWorkFlow } from '@/utils/application'
 import { ValidType, ValidCount } from '@/enums/common'
 import { t } from '@/locales'
 import useStore from '@/stores'
-import { reject } from 'lodash'
 
 const elUploadRef = ref<any>()
 const { application, user, common } = useStore()
diff --git a/ui/src/workflow/nodes/variable-assign-node/index.vue b/ui/src/workflow/nodes/variable-assign-node/index.vue
index ed3f45612..975624a47 100644
--- a/ui/src/workflow/nodes/variable-assign-node/index.vue
+++ b/ui/src/workflow/nodes/variable-assign-node/index.vue
@@ -9,7 +9,6 @@
       ref="replyNodeFormRef"
       hide-required-asterisk
     >
-    <el-scrollbar max-height="750" @wheel="wheel">
       <template v-for="(item, index) in form_data.variable_list" :key="item.id">
         <el-card shadow="never" class="card-never mb-8" style="--el-card-padding: 12px">
           <el-form-item :label="$t('views.applicationWorkflow.variable.label')">
@@ -139,7 +138,7 @@
           </el-form-item>
         </el-card>
       </template>
-    </el-scrollbar>
+
       <el-button link type="primary" @click="addVariable">
         <el-icon class="mr-4">
           <Plus />