diff --git a/flyfish-user/src/main/java/com/flyfish/framework/service/MongoUserDetailsServiceImpl.java b/flyfish-user/src/main/java/com/flyfish/framework/service/MongoUserDetailsServiceImpl.java
index cd35434..58971ab 100644
--- a/flyfish-user/src/main/java/com/flyfish/framework/service/MongoUserDetailsServiceImpl.java
+++ b/flyfish-user/src/main/java/com/flyfish/framework/service/MongoUserDetailsServiceImpl.java
@@ -39,6 +39,9 @@ import java.util.function.Supplier;
 @Service
 public class MongoUserDetailsServiceImpl implements MongoUserDetailsService {
 
+    // 登录失败限制
+    private static final int ERROR_LIMIT = 5;
+
     // 存储用户校验规则的map
     private static final Map<Function<User, Boolean>, Supplier<AuthenticationException>> checkMap;
 
@@ -163,7 +166,7 @@ public class MongoUserDetailsServiceImpl implements MongoUserDetailsService {
                     User updating = new User();
                     updating.setId(user.getId());
                     updating.setErrorCount(user.getErrorCount() + 1);
-                    if (updating.getErrorCount() >= 5) {
+                    if (updating.getErrorCount() >= ERROR_LIMIT) {
                         updating.setStatus(UserStatus.LOCKED);
                     }
                     return userService.updateSelectiveById(updating);