diff --git a/Dockerfile b/Dockerfile
index 3b881c1..012969b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,8 @@
 # 阶段1: 构建
 FROM golang:alpine AS builder
 
-RUN apk add --no-cache git ca-certificates tzdata
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
+      apk add --no-cache git ca-certificates tzdata
 
 ENV TZ=Asia/Shanghai
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone