update backend/dvadmin/system/views/login.py.

修复登录错误次数写入的BUG

Signed-off-by: 好奇宝宝 <11259906+haoqibb@user.noreply.gitee.com>

backend/dvadmin/system/views/login.py

@@ -114,8 +114,8 @@ class LoginSerializer(TokenObtainPairSerializer):
             user.login_error_count += 1
             if user.login_error_count >= 5:
                 user.is_active = False
+                user.save()
                 raise CustomValidationError("账号已被锁定,联系管理员解锁")
-            user.save()
             count = 5 - user.login_error_count
             raise CustomValidationError(f"账号/密码错误;重试{count}次后将被锁定~")