diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
index b5e8098..c21a099 100644
--- a/.gitea/workflows/test.yaml
+++ b/.gitea/workflows/test.yaml
@@ -1,7 +1,12 @@
 name: Gitea Actions Demo
 run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
 on: [push]
+env:
+  #  DOCKER_REGISTRY: docker.io
+  # DOCKER_USERNAME: softyouling
+  # 此处可修改为你任意 docker 镜像仓库地址和用户名
 
+  DOMAIN: gitea.lntu.edu.cn
 jobs:
   Explore-Gitea-Actions:
     runs-on: k8s # <-- Used runner label
@@ -14,9 +19,9 @@ jobs:
         echo "nameserver 180.184.1.1" >/etc/resolv.conf
         sed -i 's/dl-cdn.alpinelinux.org/mirrors.volces.com/g' /etc/apk/repositories
         apk update --no-cache && npm config set registry https://registry.npmmirror.com
-        rm -rf /etc/resolv.conf
+
     - name: Check out repository code
-      uses: actions/checkout@v4
+      uses: https://${{ env.DOMAIN }}/actions/checkout@v4
     - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
     - run: echo "🖥️ The workflow is now ready to test your code on the runner."
     - name: List files in the repository