diff --git a/.gitea/workflows/miniapp-preview.yml b/.gitea/workflows/miniapp-preview.yml
index 35ad481..e685998 100644
--- a/.gitea/workflows/miniapp-preview.yml
+++ b/.gitea/workflows/miniapp-preview.yml
@@ -74,6 +74,12 @@ jobs:
             tar -C "$TOOLDIR" -xzf "$TOOLDIR/node.tgz"
             mv "$TOOLDIR/$NODE_DIST" "$TOOLDIR/node"
             rm -f "$TOOLDIR/node.tgz"
+            # musl 版 node 动态链接 libstdc++/libgcc_s，Alpine 精简容器缺失时补装
+            if [ "$NODE_DIST" = "node-v22.12.0-linux-x64-musl" ] && [ ! -e /usr/lib/libstdc++.so.6 ] && [ ! -e /lib/libstdc++.so.6 ]; then
+              if command -v apk >/dev/null 2>&1; then
+                apk add --no-cache libstdc++ libgcc || echo "::warning::libstdc++/libgcc 安装失败，node 可能无法启动"
+              fi
+            fi
           fi
           # 验证二进制可执行，失败则清缓存并报错（避免坏缓存被后续 run 复用）
           if ! "$TOOLDIR/node/bin/node" --version; then