diff --git a/build/Dockerfile_app b/build/Dockerfile_app
index 2eb3a81..aef307b 100644
--- a/build/Dockerfile_app
+++ b/build/Dockerfile_app
@@ -2,7 +2,7 @@ FROM registry.ngaiot.com/k8s/alpine-glibc:3.20
 ENV TZ=Asia/Shanghai
 
 RUN ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime \
-    && echo ${TZ} > /etc/timezone \
+    && echo ${TZ} > /etc/timezone
 WORKDIR /app/
 COPY   *.exe  configFiles  /app/
 #河北轻量化专用