diff --git a/astrbot/core/astr_agent_run_util.py b/astrbot/core/astr_agent_run_util.py
index eca24699ae..df458a55ec 100644
--- a/astrbot/core/astr_agent_run_util.py
+++ b/astrbot/core/astr_agent_run_util.py
@@ -270,6 +270,7 @@ async def run_agent(
                 yield MessageChain().message(err_msg)
             else:
                 astr_event.set_result(MessageEventResult().message(err_msg))
+                yield
             return