diff --git a/build/Dockerfile b/build/Dockerfile
index da5d24e4..f9c7c72b 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:latest
 LABEL maintainer="pader <huangmnlove@163.com>"
 
 # 安装依赖
-RUN apk add --no-cache openjdk8-jre-base curl iputils ncurses vim libcurl
+RUN apk add --no-cache openjdk8-jre-base curl iputils ncurses vim libcurl bash
 
 # 设置环境变量
 ENV MODE="cluster" \