diff --git a/backend/gateway/Dockerfile b/backend/gateway/Dockerfile
index 41bab28..e380b4f 100644
--- a/backend/gateway/Dockerfile
+++ b/backend/gateway/Dockerfile
@@ -2,6 +2,8 @@ FROM golang:1.26.1-alpine3.23 AS builder
 
 WORKDIR /app
 
+ENV GOPROXY=https://goproxy.cn,direct
+
 COPY go.mod ./
 COPY main.go ./
 
diff --git a/backend/services/user-svc/Dockerfile b/backend/services/user-svc/Dockerfile
index 891bc1b..bd59388 100644
--- a/backend/services/user-svc/Dockerfile
+++ b/backend/services/user-svc/Dockerfile
@@ -2,14 +2,12 @@ FROM golang:1.26.1-alpine3.23 AS builder
 
 WORKDIR /app
 
+ENV GOPROXY=https://goproxy.cn,direct
+
 COPY go.mod ./
 COPY main.go ./
-COPY user.proto ./
 
 RUN go mod download
-RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
-RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
-RUN protoc --go_out=. --go-grpc_out=. user.proto
 RUN go build -o user-svc main.go
 
 FROM alpine:3.23
@@ -20,4 +18,4 @@ COPY --from=builder /app/user-svc .
 
 EXPOSE 50051
 
-CMD ["./user-svc"]
\ No newline at end of file
+CMD ["./user-svc"]