diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 8d7b75a..dafcee1 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -24,13 +24,12 @@ jobs:
 
     steps:
       - name: Check out exact commit
-        uses: actions/checkout@v4
-
-      - name: Use Node.js 24
-        uses: actions/setup-node@v4
-        with:
-          node-version: 24
-          cache: npm
+        run: |
+          git init .
+          git remote add origin https://git.tkmind.cn/tkmind/memind.git
+          git fetch --depth=1 origin "${{ gitea.sha }}"
+          git checkout --detach FETCH_HEAD
+          test "$(git rev-parse HEAD)" = "${{ gitea.sha }}"
 
       - name: Install locked dependencies
         run: npm ci