'镜像失效了'

Change-Id: Ib01631a4942e085a5e2e72e71ddef6406003c1ef
diff --git a/Dockerfile b/Dockerfile
index 5812330..99ba20b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@
 RUN npm run build
 
 # 生产阶段
-FROM registry.cn-hangzhou.aliyuncs.com/library/nginx:alpine
+FROM nginx:alpine
 COPY --from=build /app/dist  /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf