diff --git a/.github/workflows/dotnet-build.yml b/.github/workflows/dotnet-build.yml
index c24f8ad0a..3f2f1d639 100644
--- a/.github/workflows/dotnet-build.yml
+++ b/.github/workflows/dotnet-build.yml
@@ -175,7 +175,7 @@ jobs:
         path: build_out/colormc-linux-${{ env.MAINVERSION }}${{ env.VERSION }}-min-x86_64.AppImage
 
   build-macos:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
     - uses: actions/checkout@v3
     - name: 设置.NET Core
diff --git a/build/build-macos.sh b/build/build-macos.sh
index a2aac4797..ea34b3bc3 100755
--- a/build/build-macos.sh
+++ b/build/build-macos.sh
@@ -49,6 +49,7 @@ build_osx()
     chmod a+x $dir/ColorMC.Launcher
 
     cd ./src/build_out/$1-dotnet
+    codesign --force --deep --sign - ColorMC.app
     zip -r $zip_name ./ColorMC.app
     mv $zip_name ../../../build_out/$zip_name
     cd ../../../