有重复用户才会发邮件通知

suishenbang-system/src/main/java/com/dgtly/system/service/impl/SysUserOrderAuthorServiceImpl.java

@@ -414,6 +414,7 @@ public class SysUserOrderAuthorServiceImpl implements ISysUserOrderAuthorService
     @Override
     public void sendmailUnionUser() {
         List<UserVO> userList = userMapper.sendmailUnionUser();
+        if(userList.size()>0){
         // 1. 创建参数配置, 用于连接邮件服务器的参数配置
         Properties props = new Properties();                    // 参数配置
         props.setProperty("mail.transport.protocol", "smtp");   // 使用的协议（JavaMail规范要求）
@@ -455,6 +456,7 @@ public class SysUserOrderAuthorServiceImpl implements ISysUserOrderAuthorService
                 e.printStackTrace();
             }
         }
+        }
     }
 
     @Override