diff --git a/Dockerfile.npc b/Dockerfile.npc
index e20fb90f..4a1d71cd 100755
--- a/Dockerfile.npc
+++ b/Dockerfile.npc
@@ -1,5 +1,5 @@
 FROM golang:1.15 as builder
-ENV GOPROXY=https://proxy.golang.org,direct
+ENV GOPROXY=https://goproxy.cn,direct
 WORKDIR /go/src/ehang.io/nps
 COPY . .
 RUN go get -d -v ./... 
diff --git a/Dockerfile.nps b/Dockerfile.nps
index bb8c225b..505c6580 100755
--- a/Dockerfile.nps
+++ b/Dockerfile.nps
@@ -1,5 +1,5 @@
 FROM golang:1.15 as builder
-ENV GOPROXY=https://proxy.golang.org,direct
+ENV GOPROXY=https://goproxy.cn,direct
 WORKDIR /go/src/ehang.io/nps
 COPY . .
 RUN go get -d -v ./...