diff --git a/Dockerfile b/Dockerfile
index 48cd5b3..b461ec5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ COPY . .
 ENV GO111MODULE=on
 ENV GOPROXY=https://goproxy.cn,direct
 
-RUN go build -ldflags="-s -w" -o app && up -9 app
+RUN go mod download && go build -o app && up -9 app
 
 RUN ls -lh && chmod +x ./app