diff --git a/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/UserServiceImpl.java b/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/UserServiceImpl.java
index 20f75c4..a931608 100644
--- a/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/UserServiceImpl.java
+++ b/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/UserServiceImpl.java
@@ -79,6 +79,7 @@ import javax.annotation.Resource;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.*;
+import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -108,6 +109,10 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
     @Value("${user.config.gpu-limit}")
     private Integer gpuLimit;
 
+    @Value("${spring.mail.count-limit:6}")
+    private Integer mailCountLimit;
+
+
     @Autowired
     private UserMapper userMapper;
 
@@ -885,17 +890,17 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
      */
     private void limitSendEmail(final String receiverMailAddress) {
         double count = redisUtils.hincr(UserConstant.USER_EMAIL_LIMIT_COUNT.concat(receiverMailAddress), receiverMailAddress, 1);
-        if (count > UserConstant.COUNT_SENT_EMAIL) {
-            LogUtil.error(LogEnum.SYS_ERR, "Email verification code cannot exceed three times , error:{}", UserConstant.COUNT_SENT_EMAIL);
+        if (count > mailCountLimit) {
+            LogUtil.error(LogEnum.SYS_ERR, "Email verification code cannot exceed three times , error:{}", mailCountLimit);
             throw new BusinessException(BaseErrorCodeEnum.SYSTEM_USER_EMAIL_CODE_CANNOT_EXCEED_TIMES.getCode(),
-                    BaseErrorCodeEnum.SYSTEM_USER_EMAIL_CODE_CANNOT_EXCEED_TIMES.getMsg());
+                    String.format(BaseErrorCodeEnum.SYSTEM_USER_EMAIL_CODE_CANNOT_EXCEED_TIMES.getMsg(), mailCountLimit));
         } else {
             // 验证码次数凌晨清除
             String concat = UserConstant.USER_EMAIL_LIMIT_COUNT.concat(receiverMailAddress);
 
             Long secondsNextEarlyMorning = DateUtil.getSecondTime();
 
-            redisUtils.expire(concat, secondsNextEarlyMorning);
+            redisUtils.expire(concat, TimeUnit.MILLISECONDS.toSeconds(secondsNextEarlyMorning));
         }
     }
 
diff --git a/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/constant/UserConstant.java b/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/constant/UserConstant.java
index f4eb296..9cd09b1 100644
--- a/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/constant/UserConstant.java
+++ b/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/constant/UserConstant.java
@@ -63,7 +63,9 @@ public class UserConstant {
 
     /**
      * 发邮件次数
+     *  改用nacos全局配置
      */
+    @Deprecated
     public final static int COUNT_SENT_EMAIL = 3;
 
     /**
diff --git a/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/enums/BaseErrorCodeEnum.java b/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/enums/BaseErrorCodeEnum.java
index 0b47e41..380001d 100644
--- a/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/enums/BaseErrorCodeEnum.java
+++ b/dubhe-server/common-biz/base/src/main/java/org/dubhe/biz/base/enums/BaseErrorCodeEnum.java
@@ -44,7 +44,7 @@ public enum BaseErrorCodeEnum implements ErrorCode {
     SYSTEM_USER_REGISTER_EMAIL_INFO_EXPIRED(20004, "邮箱验证码已过期!"),
     SYSTEM_USER_EMAIL_ALREADY_EXISTS(20004, "该邮箱已被注册!"),
     SYSTEM_USER_EMAIL_PASSWORD_ERROR(20005, "邮件密码错误!"),
-    SYSTEM_USER_EMAIL_CODE_CANNOT_EXCEED_TIMES(20006, "邮件发送不能超过三次!"),
+    SYSTEM_USER_EMAIL_CODE_CANNOT_EXCEED_TIMES(20006, "邮件发送次数每天不能超过%d"),
     SYSTEM_USER_EMAIL_OR_CODE_ERROR(20007, "邮箱地址或验证码错误、请重新输入!"),
     SYSTEM_USER_IS_LOCKED(20008, "用户已锁定!"),
     SYSTEM_USER_USERNAME_OR_PASSWORD_ERROR(20009, "账号或密码不正确!"),