diff --git a/deploy/dev/build.py b/deploy/dev/build.py
index ed3229b..5b86df2 100644
--- a/deploy/dev/build.py
+++ b/deploy/dev/build.py
@@ -18,6 +18,7 @@ DOCKERFILE_TPL = """\
 FROM golang:1.26-alpine AS builder
 RUN apk add --no-cache tzdata
 WORKDIR /build
+ARG GOPROXY="https://goproxy.cn,direct"
 COPY go.mod go.sum ./
 RUN --mount=type=cache,target=/go/pkg/mod go mod download
 COPY . .