diff --git a/pom.xml b/pom.xml
index 1b8df32..57e38bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -163,7 +163,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-to-slf4j</artifactId>
-            <version>2.16.0</version>
+            <version>2.17.0</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.apache.logging.log4j</groupId>
@@ -174,7 +174,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.16.0</version>
+            <version>2.17.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/src/main/java/com/rymcu/forest/mapper/UserMapper.java b/src/main/java/com/rymcu/forest/mapper/UserMapper.java
index dc2d4c2..d2f42e8 100644
--- a/src/main/java/com/rymcu/forest/mapper/UserMapper.java
+++ b/src/main/java/com/rymcu/forest/mapper/UserMapper.java
@@ -158,4 +158,11 @@ public interface UserMapper extends Mapper<User> {
      * @return
      */
     boolean hasAdminPermission(@Param("email") String email);
+
+    /**
+     * 验证账号是否重复
+     * @param account
+     * @return
+     */
+    Integer selectCountByAccount(@Param("account") String account);
 }
\ No newline at end of file
diff --git a/src/main/java/com/rymcu/forest/service/impl/UserServiceImpl.java b/src/main/java/com/rymcu/forest/service/impl/UserServiceImpl.java
index 4fb3ca7..013522e 100644
--- a/src/main/java/com/rymcu/forest/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/rymcu/forest/service/impl/UserServiceImpl.java
@@ -65,9 +65,8 @@ public class UserServiceImpl extends AbstractService<User> implements UserServic
                 } else {
                     user = new User();
                     String nickname = email.split("@")[0];
-                    nickname = checkNickname(nickname);
-                    user.setNickname(nickname);
-                    user.setAccount(nickname);
+                    user.setNickname(checkNickname(nickname));
+                    user.setAccount(checkAccount(nickname));
                     user.setEmail(email);
                     user.setPassword(Utils.entryptPassword(password));
                     user.setCreatedTime(new Date());
@@ -101,6 +100,16 @@ public class UserServiceImpl extends AbstractService<User> implements UserServic
         return nickname;
     }
 
+    private String checkAccount(String account) {
+        account = formatNickname(account);
+        Integer result = userMapper.selectCountByAccount(account);
+        if (result > 0) {
+            StringBuilder stringBuilder = new StringBuilder(account);
+            return checkNickname(stringBuilder.append("_").append(System.currentTimeMillis()).toString());
+        }
+        return account;
+    }
+
     @Override
     public Map login(String account, String password) {
         Map map = new HashMap(1);
diff --git a/src/main/java/com/rymcu/forest/util/NotificationUtils.java b/src/main/java/com/rymcu/forest/util/NotificationUtils.java
index 9f5c9a4..93de7d0 100644
--- a/src/main/java/com/rymcu/forest/util/NotificationUtils.java
+++ b/src/main/java/com/rymcu/forest/util/NotificationUtils.java
@@ -116,7 +116,7 @@ public class NotificationUtils {
                 notificationDTO.setDataTitle("关注提醒");
                 if (Objects.nonNull(follow)) {
                     user = userService.findById(follow.getFollowerId().toString());
-                    notificationDTO.setDataUrl(getFollowLink(follow.getFollowingType(), user.getNickname()));
+                    notificationDTO.setDataUrl(getFollowLink(follow.getFollowingType(), user.getAccount()));
                     notificationDTO.setAuthor(genAuthor(user));
                 }
                 break;
diff --git a/src/main/java/mapper/UserMapper.xml b/src/main/java/mapper/UserMapper.xml
index 4dc17f4..11b203c 100644
--- a/src/main/java/mapper/UserMapper.xml
+++ b/src/main/java/mapper/UserMapper.xml
@@ -116,5 +116,8 @@
         select if(count(fur.id_role) = 0, false, true) from forest_user_role fur join forest_user fu on fur.id_user = fu.id
         where fu.email = #{email} and exists(select id_role from forest_role fr where instr(fr.input_code, 'admin') > 0 and fr.id = fur.id_role)
     </select>
+    <select id="selectCountByAccount" resultType="java.lang.Integer">
+        select count(*) from forest_user where account = #{account}
+    </select>
 
 </mapper>
\ No newline at end of file