update

app/core/runner/thread_runner.py

@@ -428,8 +428,10 @@ class ThreadRunner:
                 """
                 for content in message.content:
                     if content["type"] == "text":
-                        message_content.append(content["text"]["value"])
+                        message_content = content["text"]["value"]
                         '''
+                        message_content.append(content["text"]["value"])
+                       
                         message_content.append(
                             {"type": "text", "text": content["text"]["value"]}
                         )