diff --git a/.gitea/workflows/push.yaml b/.gitea/workflows/push.yaml
index a3e6af3..c8306d7 100644
--- a/.gitea/workflows/push.yaml
+++ b/.gitea/workflows/push.yaml
@@ -5,7 +5,8 @@ on:
       - master
 jobs:
   build:
-    runs-on: golang-ubuntu-latest
+    container:
+      image: focs.ji.sjtu.edu.cn:5000/gitea/runner-images:golang-ubuntu-latest
     steps:
       - name: Check out repository code
         uses: https://gitea.com/BoYanZh/checkout@focs