diff --git a/.github/issue-checker.yml b/.github/issue-checker.yml
index a9efb5f883..de52794af7 100644
--- a/.github/issue-checker.yml
+++ b/.github/issue-checker.yml
@@ -335,7 +335,7 @@ labels:
   # `MacGui`
   - name: MacGui
     content: "client: MacGui"
-    regexes: '/mac(?:book|os|\s*(?:操作系统|系统|电脑|版))|playcover/i'
+    regexes: '(?:[Mm][Aa][Cc](?:[Bb][Oo][Oo][Kk]|[Oo][Ss]|\s*(?:操作系统|系统|电脑|版|[Gg][Uu][Ii]))|[Pp][Ll][Aa][Yy][Cc][Oo][Vv][Ee][Rr]|[Mm][Aa][Cc]\s+[Gg][Uu][Ii])'
     skip-if:
       - skip all
       - skip client