diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8d54e80..f559313 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,11 +24,14 @@ jobs:
         
       - name: Configure XMake Custom Mirror
         run: |
-            echo 'function mirror(url)' > github_mirror.lua
-            echo '    return url:gsub("github.com", "github.bibk.top")' >> github_mirror.lua
-            echo 'end' >> github_mirror.lua
+          $luaContent = @'
+          function mirror(url)
+              return url:gsub("github.com", "kkgithub.com")
+          end
+          '@
+          $luaContent | Out-File -FilePath "github_mirror.lua" -Encoding utf8
             xmake g --proxy_pac=github_mirror.lua
-        shell: pwsh 
+        shell: powershell
       
       - name: Update Repo
         run: xmake repo -u