diff --git a/Dockerfile b/Dockerfile
index 038f935..6b054fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,9 @@
 FROM golang:1.26-alpine AS builder
 
 WORKDIR /app
-ENV GOTOOLCHAIN=auto
+ENV GOTOOLCHAIN=auto \
+    GOPROXY=https://goproxy.cn,direct \
+    GOSUMDB=sum.golang.google.cn
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .