diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 2323aa3..369e2da 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -54,6 +54,8 @@ jobs:
             set -e
             cd /build
             if [ -f .npmrc ]; then sed -i "/SASS_BINARY_PATH/d" .npmrc; fi
+            # 国内镜像源：内网直连 registry.npmjs.org 跨境极慢（实测 npm install 12 分 46 秒 / 754 包）
+            npm config set registry https://registry.npmmirror.com
             npm ci
             npm run build
           '