diff --git a/Dockerfile b/Dockerfile
index 318ddfe..bf9a7b9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update && \
 RUN mkdir /app
 
 WORKDIR /app
-RUN git clone -b 1.5 https://github.com/PlayEdu/PlayEdu.git playedu
+RUN git clone -b 1.5.1 https://github.com/PlayEdu/PlayEdu.git playedu
 
 # 编译jar包
 WORKDIR /app/playedu
diff --git a/README.md b/README.md
index 45502c9..2736782 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ docker run -d --restart=always \
   -e REDIS_DB=2 \
   -e SA_TOKEN_IS_CONCURRENT=false \
   -e SA_TOKEN_JWT_SECRET_KEY=playeduxyz \
-  registry.cn-hangzhou.aliyuncs.com/playedu/light:1.5
+  registry.cn-hangzhou.aliyuncs.com/playedu/light:1.5.1
 ```
 
 跑起来之后，可以通过下面的链接访问前后台：