diff --git a/ui/src/components/ai-chat/index.vue b/ui/src/components/ai-chat/index.vue
index 001c835dd05..a3d70713468 100644
--- a/ui/src/components/ai-chat/index.vue
+++ b/ui/src/components/ai-chat/index.vue
@@ -171,13 +171,13 @@ const initialApiFormData = ref({})
 const isUserInput = computed(
   () =>
     props.applicationDetails.work_flow?.nodes?.filter((v: any) => v.id === 'base-node')[0]
-      .properties.user_input_field_list.length > 0,
+      ?.properties.user_input_field_list.length > 0,
 )
 
 const userInputTitle = computed(
   () =>
     props.applicationDetails.work_flow?.nodes?.filter((v: any) => v.id === 'base-node')[0]
-      .properties?.user_input_config?.title,
+      ?.properties?.user_input_config?.title,
 )
 const isAPIInput = computed(
   () =>
diff --git a/ui/src/locales/lang/en-US/views/document.ts b/ui/src/locales/lang/en-US/views/document.ts
index 5638c5f5c96..eeb779ca025 100644
--- a/ui/src/locales/lang/en-US/views/document.ts
+++ b/ui/src/locales/lang/en-US/views/document.ts
@@ -15,6 +15,7 @@ export default {
     export: 'Export to',
     download: 'Download',
   },
+
   tip: {
     saveMessage: 'Current changes have not been saved. Confirm exit?',
     cancelSuccess: 'Successful',
@@ -23,6 +24,9 @@ export default {
     nameMessage: 'Document name cannot be empty!',
     importMessage: 'Successful',
     migrationSuccess: 'Successful',
+    fileLimitCountTip1: 'Maximum upload per time',
+    fileLimitCountTip2: 'files',
+    fileLimitSizeTip1: 'each file must not exceed',
   },
   upload: {
     selectFile: 'Select File',
@@ -162,7 +166,7 @@ export default {
   movePosition: {
     title: 'Move position',
     moveUp: 'Move up',
-    moveDown: 'Move down'
+    moveDown: 'Move down',
   },
   generateQuestion: {
     title: 'Generate Questions',
diff --git a/ui/src/locales/lang/zh-Hant/views/document.ts b/ui/src/locales/lang/zh-Hant/views/document.ts
index 2e6f27fd010..1be1d0176ed 100644
--- a/ui/src/locales/lang/zh-Hant/views/document.ts
+++ b/ui/src/locales/lang/zh-Hant/views/document.ts
@@ -23,6 +23,9 @@ export default {
     nameMessage: '文件名稱不能为空！',
     importMessage: '導入成功',
     migrationSuccess: '遷移成功',
+    fileLimitCountTip1: '每次最多上傳',
+    fileLimitCountTip2: '個文件',
+    fileLimitSizeTip1: '每個文件不超過',
   },
   upload: {
     selectFile: '選擇文件',
@@ -159,7 +162,7 @@ export default {
   movePosition: {
     title: '移動位置',
     moveUp: '上移',
-    moveDown: '下移'
+    moveDown: '下移',
   },
   generateQuestion: {
     title: '生成問題',
diff --git a/ui/src/views/document/upload/UploadComponent.vue b/ui/src/views/document/upload/UploadComponent.vue
index 1a19a94314d..e3299ac9e15 100644
--- a/ui/src/views/document/upload/UploadComponent.vue
+++ b/ui/src/views/document/upload/UploadComponent.vue
@@ -37,7 +37,7 @@
           </p>
           <p>{{ $t('views.document.fileType.QA.tip2') }}</p>
           <p>
-            3、{{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
+            3. {{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
             {{ $t('views.document.tip.fileLimitCountTip2') }},
             {{ $t('views.document.tip.fileLimitSizeTip1') }} {{ file_size_limit }} MB
           </p>
@@ -95,7 +95,7 @@
           <p>{{ $t('views.document.fileType.table.tip2') }}</p>
           <p>{{ $t('views.document.fileType.table.tip3') }}</p>
           <p>
-            4、{{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
+            4. {{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
             {{ $t('views.document.tip.fileLimitCountTip2') }},
             {{ $t('views.document.tip.fileLimitSizeTip1') }} {{ file_size_limit }} MB
           </p>
@@ -141,7 +141,7 @@
         <div class="ml-16 lighter">
           <p>{{ $t('views.document.fileType.txt.tip1') }}</p>
           <p>
-            2、{{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
+            2. {{ $t('views.document.tip.fileLimitCountTip1') }} {{ file_count_limit }}
             {{ $t('views.document.tip.fileLimitCountTip2') }},
             {{ $t('views.document.tip.fileLimitSizeTip1') }} {{ file_size_limit }} MB
           </p>