diff --git a/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml b/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
index fb409dfe..61f8253c 100644
--- a/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
+++ b/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
@@ -26,7 +26,7 @@ spring:
       max-request-size: 10MB
   mail:
     host: smtp.163.com
-    username: ??
+    username: jeecgos@163.com
     password: ??
     properties:
       mail:
@@ -210,10 +210,6 @@ jeecg:
     mode: dev
     #数据字典是否进行saas数据隔离，自己看自己的字典
     saas: false
-    #是否开启租户模式 Support By v1.5.5+
-    openTenant: false
-    #安全模式(敏感接口校验、saas模式下不允许使用平台数据源)
-    #safeMode: true
   #xxl-job配置
   xxljob:
     enabled: false