diff --git a/Dockerfile b/Dockerfile
index 772ade6..0437986 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,6 @@
 # ===========================================
 FROM node:24-alpine AS builder
 
-# 设置镜像源加速
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
-
 # 设置 npm 镜像源
 RUN npm config set registry https://registry.npmmirror.com
 
@@ -29,9 +26,6 @@ RUN npm run build
 # ===========================================
 FROM node:24-alpine AS production
 
-# 设置镜像源加速
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
-
 # 设置 npm 镜像源
 RUN npm config set registry https://registry.npmmirror.com