diff --git a/src/main/java/com/yolo/keyborad/service/impl/UserServiceImpl.java b/src/main/java/com/yolo/keyborad/service/impl/UserServiceImpl.java
index fbc4fe5..fb99bfe 100644
--- a/src/main/java/com/yolo/keyborad/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/yolo/keyborad/service/impl/UserServiceImpl.java
@@ -84,6 +84,7 @@ public class UserServiceImpl extends ServiceImpl<KeyboardUserMapper, KeyboardUse
         return keyboardUserMapper.selectOne(
                 new LambdaQueryWrapper<KeyboardUser>()
                 .eq(KeyboardUser::getSubjectId, sub)
+                .eq(KeyboardUser::getDeleted, false)
                 .eq(KeyboardUser::getStatus, false));
     }
 
@@ -107,6 +108,7 @@ public class UserServiceImpl extends ServiceImpl<KeyboardUserMapper, KeyboardUse
         KeyboardUser keyboardUser = keyboardUserMapper.selectOne(
                 new LambdaQueryWrapper<KeyboardUser>()
                         .eq(KeyboardUser::getEmail, userLoginDTO.getMail())
+                        .eq(KeyboardUser::getDeleted, false)
                         .eq(KeyboardUser::getStatus, false));
         if (keyboardUser == null) {
             throw new BusinessException(ErrorCode.USER_NOT_FOUND);
@@ -130,6 +132,7 @@ public class UserServiceImpl extends ServiceImpl<KeyboardUserMapper, KeyboardUse
         KeyboardUser keyboardUserDB = keyboardUserMapper.selectOne(
                 new LambdaQueryWrapper<KeyboardUser>()
                 .eq(KeyboardUser::getId, loginIdAsLong)
+                .eq(KeyboardUser::getDeleted, false)
                 .eq(KeyboardUser::getStatus, false));
         if (keyboardUserDB == null) {
             throw new BusinessException(ErrorCode.USER_NOT_FOUND);
diff --git a/src/main/java/com/yolo/keyborad/service/impl/user/UserRegistrationHandler.java b/src/main/java/com/yolo/keyborad/service/impl/user/UserRegistrationHandler.java
index c99d5e7..8c96367 100644
--- a/src/main/java/com/yolo/keyborad/service/impl/user/UserRegistrationHandler.java
+++ b/src/main/java/com/yolo/keyborad/service/impl/user/UserRegistrationHandler.java
@@ -86,7 +86,8 @@ public class UserRegistrationHandler {
 
     private void ensureUserNotExists(String mailAddress) {
         KeyboardUser userMail = keyboardUserMapper.selectOne(new LambdaQueryWrapper<KeyboardUser>()
-                .eq(KeyboardUser::getEmail, mailAddress));
+                .eq(KeyboardUser::getEmail, mailAddress)
+                .eq(KeyboardUser::getDeleted, false));
         if (userMail != null) {
             throw new BusinessException(ErrorCode.USER_HAS_EXISTED);
         }