diff --git a/Dockerfile b/Dockerfile
index 81d4b010..e5a56a0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,11 +5,9 @@ RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 
 WORKDIR /app
 
-COPY frontend/package*.json ./
-RUN npm install --registry=https://registry.npmmirror.com
-
 COPY frontend/ .
-RUN npm run build
+RUN npm install --registry=https://registry.npmmirror.com && \
+    npm run build
 
 
 # ========== 构建 Go 后端 ==========