diff --git a/Dockerfile b/Dockerfile
index d6058c6..13bb038 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,15 +2,15 @@ FROM golang:1.15.5-alpine AS builder
 
 RUN go env -w GO111MODULE=auto \
   && go env -w CGO_ENABLED=0 \
-  && go env -w GOPROXY=https://goproxy.cn,direct \
-  && mkdir /build
+  && go env -w GOPROXY=https://goproxy.cn,direct 
 
 WORKDIR /build
 
 COPY ./ .
 
-RUN cd /build \
-  && go build -ldflags "-s -w -extldflags '-static'" -o cqhttp
+RUN set -ex \
+    && cd /build \
+    && go build -ldflags "-s -w -extldflags '-static'" -o cqhttp
 
 FROM alpine:latest