diff --git a/src/process.py b/src/process.py
index 97470fa..1fc1f4e 100644
--- a/src/process.py
+++ b/src/process.py
@@ -30,7 +30,7 @@ class Mc_rcon(BasePlugin):
         gid = config.get("group").get("id")
         config = config.get("mc_rcon")
         if self.ctx.group is None:
-            return "ok"
+            return None
         print(self.ctx.group.group_id)
         if self.ctx.group.group_id == gid:#转发群消息至 Minecraft
             if "CQ:image" in self.ctx.raw_message: