diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/mail/MailTemplateController.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/mail/MailTemplateController.java
index 87b338815..a2037d8c5 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/mail/MailTemplateController.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/mail/MailTemplateController.java
@@ -2,6 +2,8 @@ package cn.iocoder.yudao.module.system.controller.admin.mail;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.security.core.LoginUser;
+import cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils;
 import cn.iocoder.yudao.module.system.controller.admin.mail.vo.template.*;
 import cn.iocoder.yudao.module.system.convert.mail.MailTemplateConvert;
 import cn.iocoder.yudao.module.system.dal.dataobject.mail.MailTemplateDO;
@@ -81,7 +83,8 @@ public class MailTemplateController {
     @Operation(summary = "发送短信")
     @PreAuthorize("@ss.hasPermission('system:mail-template:send-mail')")
     public CommonResult<Long> sendMail(@Valid @RequestBody MailTemplateSendReqVO sendReqVO) {
-        return success(mailSendService.sendSingleMailToAdmin(sendReqVO.getMail(), null,
+        LoginUser loginUser = SecurityFrameworkUtils.getLoginUser();
+        return success(mailSendService.sendSingleMailToAdmin(sendReqVO.getMail(), loginUser != null ? loginUser.getId() : null,
                 sendReqVO.getTemplateCode(), sendReqVO.getTemplateParams()));
     }
 
diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/dal/redis/oauth2/OAuth2AccessTokenRedisDAO.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/dal/redis/oauth2/OAuth2AccessTokenRedisDAO.java
index 517b0aa11..d57beb881 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/dal/redis/oauth2/OAuth2AccessTokenRedisDAO.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/dal/redis/oauth2/OAuth2AccessTokenRedisDAO.java
@@ -37,7 +37,9 @@ public class OAuth2AccessTokenRedisDAO {
         // 清理多余字段，避免缓存
         accessTokenDO.setUpdater(null).setUpdateTime(null).setCreateTime(null).setCreator(null).setDeleted(null);
         long time = LocalDateTimeUtil.between(LocalDateTime.now(), accessTokenDO.getExpiresTime(), ChronoUnit.SECONDS);
-        stringRedisTemplate.opsForValue().set(redisKey, JsonUtils.toJsonString(accessTokenDO), time, TimeUnit.SECONDS);
+        if (time > 0) {
+            stringRedisTemplate.opsForValue().set(redisKey, JsonUtils.toJsonString(accessTokenDO), time, TimeUnit.SECONDS);
+        }
     }
 
     public void delete(String accessToken) {