diff --git a/v0.5.0-基于-CentOS7.md b/v0.5.0-基于-CentOS7.md
index c850a26..ca49ed4 100644
--- a/v0.5.0-基于-CentOS7.md
+++ b/v0.5.0-基于-CentOS7.md
@@ -119,15 +119,7 @@ class DevelopmentConfig(Config):
     DB_USER = 'jumpserver'
     DB_PASSWORD = 'somepassword'
     DB_NAME = 'jumpserver'
-    EMAIL_HOST = 'smtp.exmail.qq.com'
-    EMAIL_PORT = 465
-    EMAIL_HOST_USER = 'a@jumpserver.org'
-    EMAIL_HOST_PASSWORD = 'somepasswrd'
-    EMAIL_USE_SSL = True
-    EMAIL_USE_TLS = False
-    EMAIL_SUBJECT_PREFIX = '[Jumpserver] '
-    SITE_URL = 'http://192.168.244.144:8080'   # 用户收到的邮件，会使用该地址访问
-
+    
 ...
 
 config = DevelopmentConfig()  # 确保使用的是刚才设置的配置文件