diff --git a/.github/workflows/update_singbox_core.yaml b/.github/workflows/update_singbox_core.yaml
index 6f382a4..ad99ef2 100644
--- a/.github/workflows/update_singbox_core.yaml
+++ b/.github/workflows/update_singbox_core.yaml
@@ -37,13 +37,14 @@ jobs:
           fi
         done
         rm -rf ./tmp/LICENSE
+        rm -rf core.tar.gz
         rm -fr upx*
     - name: Create Release and Upload Release Asset
       uses: softprops/action-gh-release@v1
       with:
         tag_name: singbox_core
         name: singbox_core
-        body: "The alpha version of singbox core \n这是singbox的官方版本内核文件\nhttps://github.com/${download_project}/releases \nZip by upx\n使用了upx进行压缩\nOnly support for ShellCrash\n仅限于ShellCrash项目使用"
+        body: "The alpha version of singbox core \n这是singbox的官方版本内核文件\nhttps://github.com/SagerNet/sing-box/releases \nZip by upx\n使用了upx进行压缩\nOnly support for ShellCrash\n仅限于ShellCrash项目使用"
         draft: false
         prerelease: true
         files: |