diff --git a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
index 5840852e..204cd2d5 100644
--- a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
@@ -1488,12 +1488,14 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
             // 将新增用户添加到AiDA，身份为游客
             if (!newUsersInfo.isEmpty()){
                 newUsersInfo.forEach(userInfo -> {
+                    long epochMilli = Instant.now().toEpochMilli();
                     Account account = new Account();
                     account.setUserEmail(userInfo.get("email"));
                     account.setUserName(userInfo.get("username"));
                     account.setUserPassword("Third-000000");
                     account.setLanguage(Language.ENGLISH.name());
-                    account.setValidStartTime(Instant.now().toEpochMilli());
+                    account.setValidStartTime(epochMilli);
+                    account.setValidEndTime(epochMilli);
                     account.setCreateDate(new Date());
                     account.setIsTrial(0);
                     account.setIsBeginner(1);
diff --git a/src/main/resources/mapper/primary/AccountMapper.xml b/src/main/resources/mapper/primary/AccountMapper.xml
index 643624d5..b9c76324 100644
--- a/src/main/resources/mapper/primary/AccountMapper.xml
+++ b/src/main/resources/mapper/primary/AccountMapper.xml
@@ -25,7 +25,7 @@
     </select>
     <update id="toVisitor">
         update t_account
-        set valid_end_time = null, is_trial = 0, credits = 0, system_user = 0, update_date = #{date}
+        set is_trial = 0, credits = 0, system_user = 0, update_date = #{date}
         where id = #{id}
     </update>