From f87c23c9a72243522bd2ec4ff73bf61e05a96d0e Mon Sep 17 00:00:00 2001
From: Muchan <liuzh1773@buaa.edu.cn>
Date: Thu, 17 Jun 2021 10:14:36 +0800
Subject: [PATCH] :bug: fix duplicated help

---
 nonebot/rule.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nonebot/rule.py b/nonebot/rule.py
index 990d93d4..7dbff611 100644
--- a/nonebot/rule.py
+++ b/nonebot/rule.py
@@ -315,6 +315,7 @@ class ArgumentParser(ArgParser):
     def parse_args(self,
                    args: Optional[Sequence[str]] = None,
                    namespace: Optional[Namespace] = None) -> Namespace:
+        setattr(self, "message", "")
         return super().parse_args(args=args,
                                   namespace=namespace)  # type: ignore