From a2e9797d4e7f7af85f43d6f8bf686181a93cc402 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8E=98=E6=9D=83=20=E9=A9=AC?= <mashenquan@fuzhi.ai>
Date: Tue, 22 Aug 2023 11:13:08 +0800
Subject: [PATCH] feat: Add tags to enable custom message classification

---
 metagpt/schema.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metagpt/schema.py b/metagpt/schema.py
index 140f207c8..0119f5bbb 100644
--- a/metagpt/schema.py
+++ b/metagpt/schema.py
@@ -51,7 +51,7 @@ class Message:
         self.tags.add(tag)
 
     def remove_tag(self, tag):
-        if self.tags is None:
+        if self.tags is None or tag not in self.tags:
             return
         self.tags.remove(tag)