Update main.py

main.py

@@ -84,16 +84,18 @@ def handle_image_message(event):
     user_id = event.source.user_id
     chat = chat_sessions.get(user_id) or model.start_chat(history=[])
     chat_sessions[user_id] = chat
-    previous_message = get_previous_message(user_id)
     user_text = event.message.text if event.message.type == "text" else None
+    previous_message = get_previous_message(user_id)
     image_url = None
 
     if event.message.type != "text" and event.message.type != "image":
-            line_bot_api.reply_message(event.reply_token, TextSendMessage(text="請輸入文字或圖片~"))
-            return
+        line_bot_api.reply_message(event.reply_token, TextSendMessage(text="請輸入文字或圖片~"))
+        return
     elif user_text == "再見":
-            line_bot_api.reply_message(event.reply_token, TextSendMessage(text="Bye!"))
-            return
+        line_bot_api.reply_message(event.reply_token, TextSendMessage(text="Bye!"))
+        store_user_message(user_id, "text", user_text)
+        return
+        
     # ========
     # 純文字
     # ========