diff --git a/src/plugin_system/apis/generator_api.py b/src/plugin_system/apis/generator_api.py
index 4ecadd8b8..c2e5700bf 100644
--- a/src/plugin_system/apis/generator_api.py
+++ b/src/plugin_system/apis/generator_api.py
@@ -108,7 +108,7 @@ async def generate_reply(
 
         logger.debug("[GeneratorAPI] 开始生成回复")
         
-        if not reply_to:
+        if not reply_to and action_data:
             reply_to = action_data.get("reply_to", "")
         if not extra_info and action_data:
             extra_info = action_data.get("extra_info", "")