diff --git a/jero-boot-module-system/src/main/java/com/jero/modules/system/entity/SysUser.java b/jero-boot-module-system/src/main/java/com/jero/modules/system/entity/SysUser.java
index 7c52131a..d069dfb7 100644
--- a/jero-boot-module-system/src/main/java/com/jero/modules/system/entity/SysUser.java
+++ b/jero-boot-module-system/src/main/java/com/jero/modules/system/entity/SysUser.java
@@ -135,6 +135,7 @@ public class SysUser implements Serializable {
     @NotBlank(message = "邮箱不能为空")
     @Size(max = 50,message = "邮箱最长为50字符")
     @Email(message = "邮箱格式不正确")
+    @Pattern(regexp = "^[A-Za-z]\\w{5}@(126\\.com)$",message = "邮箱格式不正确，邮箱应为126邮箱，至少5位")
     private String email;
 
     /**
diff --git a/jero-boot-single-startup/src/main/resources/application-dev.yml b/jero-boot-single-startup/src/main/resources/application-dev.yml
index 5fedeb01..32802463 100644
--- a/jero-boot-single-startup/src/main/resources/application-dev.yml
+++ b/jero-boot-single-startup/src/main/resources/application-dev.yml
@@ -25,7 +25,7 @@ spring:
       max-file-size: 50MB
       max-request-size: 50MB
   mail:
-    host: smtp.mxhichina.com
+    host: smtp.126.com
     username: zhangqinlin@syxysoft.com
     password: Zql0000000
     port: 25