diff --git a/.gitea/workflows/build-image.yaml b/.gitea/workflows/build-image.yaml
index 92db155eb..5d25bf8f0 100644
--- a/.gitea/workflows/build-image.yaml
+++ b/.gitea/workflows/build-image.yaml
@@ -15,7 +15,8 @@ on:
     branches: [dsv41-pd]
 
 env:
-  REGISTRY: ${{ vars.REGISTRY != '' && vars.REGISTRY || 'git.agentwithu.com' }}
+  # 直接写死 Gitea 自带 registry（vars context 在该实例上求值异常会导致回退 docker.io）
+  REGISTRY: git.agentwithu.com
   IMAGE_NAME: minke.yu/sglang
 
 jobs: