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 7560e549f..dcdb8aa9f 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
@@ -423,13 +423,14 @@ const uploadFile = async (file: any, fileList: any) => {
     uploadOtherList.value.length
   if (file_limit_once >= maxFiles) {
     MsgWarning(t('chat.uploadFile.limitMessage1') + maxFiles + t('chat.uploadFile.limitMessage2'))
-    fileList.splice(0, fileList.length)
+    fileList.splice(0, fileList.length, ...fileList.slice(0, maxFiles))
     return
   }
   if (fileList.filter((f: any) => f.size > fileLimit * 1024 * 1024).length > 0) {
     // MB
     MsgWarning(t('chat.uploadFile.sizeLimit') + fileLimit + 'MB')
-    fileList.splice(0, fileList.length)
+    // 只保留未超出大小限制的文件
+    fileList.splice(0, fileList.length, ...fileList.filter((f: any) => f.size <= fileLimit * 1024 * 1024))
     return
   }
   const inner = reactive(file)