diff --git a/ui/src/components/ai-chat/component/chat-input-operate/index.vue b/ui/src/components/ai-chat/component/chat-input-operate/index.vue
index 6a05bf55c..7a12f3633 100644
--- a/ui/src/components/ai-chat/component/chat-input-operate/index.vue
+++ b/ui/src/components/ai-chat/component/chat-input-operate/index.vue
@@ -359,7 +359,7 @@ const imageExtensions = ['JPG', 'JPEG', 'PNG', 'GIF', 'BMP']
 const documentExtensions = ['PDF', 'DOCX', 'TXT', 'XLS', 'XLSX', 'MD', 'HTML', 'CSV']
 const videoExtensions: any = []
 const audioExtensions = ['MP3', 'WAV', 'OGG', 'AAC', 'M4A']
-let otherExtensions = ['PPT', 'DOC']
+let otherExtensions = ref(['PPT', 'DOC'])
 
 const getAcceptList = () => {
   const { image, document, audio, video, other } = props.applicationDetails.file_upload_setting
@@ -378,8 +378,8 @@ const getAcceptList = () => {
   }
   if (other) {
     // 其他文件类型
-    otherExtensions = props.applicationDetails.file_upload_setting.otherExtensions
-    accepts = [...accepts, ...otherExtensions]
+    otherExtensions.value = props.applicationDetails.file_upload_setting.otherExtensions
+    accepts = [...accepts, ...otherExtensions.value]
   }
 
   if (accepts.length === 0) {
@@ -507,7 +507,12 @@ const uploadImageList = computed(() => fileFilter(fileAllList.value, imageExtens
 const uploadDocumentList = computed(() => fileFilter(fileAllList.value, documentExtensions))
 const uploadVideoList = computed(() => fileFilter(fileAllList.value, videoExtensions))
 const uploadAudioList = computed(() => fileFilter(fileAllList.value, audioExtensions))
-const uploadOtherList = computed(() => fileFilter(fileAllList.value, otherExtensions))
+const uploadOtherList = computed(() =>
+  fileFilter(
+    fileAllList.value,
+    otherExtensions.value.map((item) => item.toUpperCase()),
+  ),
+)
 
 const showDelete = ref('')