raise gr.Error(error_msg)

app.py

@@ -996,8 +996,9 @@ def respond(user_message, data, chat_history, socratic_mode=False):
 
 def chat_with_youtube_transcript(youtube_id, thread_id, user_message, chat_history, socratic_mode=False):
     # 先計算 user_message 是否超過 500 個字
-    if len(user_message) > 500:
-        raise ValueError("user_message 長度超過 500 個字")
+    if len(user_message) > 1500:
+        error_msg = "你的訊息太長了，請縮短訊息長度"
+        raise gr.Error(error_msg)
     
     assistant_id = "asst_kmvZLNkDUYaNkMNtZEAYxyPq"
     client = OPEN_AI_CLIENT