更新readme

README.md

@@ -10,6 +10,7 @@ mvn启动命令`mvn -f ./member-web/pom.xml spring-boot:run `
 ```bash
 screen -r MemberCenter (进入名为MemberCenter的screen)
 (如果没有就用 screen -S MemberCenter 创建一个)
+cd /usr/local/src/MemberCenter_DW/
 git pull origin master
 mvn clean package install
 export workerid=0