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 59a31ce26..44c986ebb 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
@@ -260,7 +260,7 @@ const localLoading = computed({
 const imageExtensions = ['jpg', 'jpeg', 'png', 'gif', 'bmp']
 const documentExtensions = ['pdf', 'docx', 'txt', 'xls', 'xlsx', 'md', 'html', 'csv']
 const videoExtensions = ['mp4', 'avi', 'mov', 'mkv', 'flv']
-const audioExtensions = ['mp3', 'wav', 'ogg', 'aac']
+const audioExtensions = ['mp3', 'wav', 'ogg', 'aac', 'm4a']
 
 const getAcceptList = () => {
   const { image, document, audio, video } = props.applicationDetails.file_upload_setting