Fix name

config.yaml

@@ -81,7 +81,7 @@ menu:
     - name: QQ Group(Chinese)
       url: https://qm.qq.com/cgi-bin/qm/qr?k=Ex-kCxSnTyxf-RM4oDihhPofPzLoDbXp&jump_from=webapi
       weight: 110
-      pre: QQ
+      pre: qq-group
       parent: Chatroom
 
 languages:
@@ -141,7 +141,7 @@ languages:
         - name: QQ群
           url: https://qm.qq.com/cgi-bin/qm/qr?k=Ex-kCxSnTyxf-RM4oDihhPofPzLoDbXp&jump_from=webapi
           weight: 110
-          pre: QQ
+          pre: qq-group
           parent: Chatroom
         - name: Discord 聊天室
           url: https://discord.gg/Gitea