diff --git a/Dockerfile b/Dockerfile
index 4456a3ca0..fe66281a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,8 @@ ENV VERSION=$VERSION
 
 WORKDIR /data
 ADD . /data
-RUN cd utils && bash -ix build.sh
-
+RUN cd utils && bash -xieu build.sh
 
 FROM nginx:alpine
-COPY --from=stage-build /data/release/lina /opt/lina/
+COPY --from=stage-build /data/release/lina /opt/lina
 COPY nginx.conf /etc/nginx/conf.d/default.conf
diff --git a/utils/build.sh b/utils/build.sh
index e5ebb35be..cf4a45641 100644
--- a/utils/build.sh
+++ b/utils/build.sh
@@ -16,7 +16,7 @@ function change_version() {
 }
 
 # 修改版本号文件
-if [[ -n ${VERSION} ]]; then
+if [[ -n ${VERSION-''} ]]; then
   change_version || exit 2
 fi