diff --git a/frontend/src/components/workspace/input-box.tsx b/frontend/src/components/workspace/input-box.tsx
index 40843ae7..5ae0be1d 100644
--- a/frontend/src/components/workspace/input-box.tsx
+++ b/frontend/src/components/workspace/input-box.tsx
@@ -263,6 +263,8 @@ export function InputBox({
   }, [pendingSuggestion, requestFormSubmit, textInput]);
 
   useEffect(() => {
+    /*
+    // 暂时禁用 suggestions 接口（/api/threads/{thread_id}/suggestions）
     if (!threadId || isNewThread || disabled) return;
     const controller = new AbortController();
     setFollowupsHidden(false);
@@ -289,6 +291,7 @@ export function InputBox({
       .finally(() => setFollowupsLoading(false));
 
     return () => controller.abort();
+    */
   }, [disabled, isNewThread, threadId]);
 
   return (