diff --git a/gost-geo-plugin/Dockerfile b/gost-geo-plugin/Dockerfile
index e68fc16..dd325ea 100644
--- a/gost-geo-plugin/Dockerfile
+++ b/gost-geo-plugin/Dockerfile
@@ -1,4 +1,5 @@
 FROM golang:1.26.5-alpine AS build
+ARG GOPROXY=https://goproxy.cn,direct
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download