diff --git a/service/user.go b/service/user.go
index 6bb431f..95328c0 100644
--- a/service/user.go
+++ b/service/user.go
@@ -304,3 +304,27 @@ func (us *UserService) FindLatestUserIdFromLoginLogByUuid(uuid string) uint {
 	global.DB.Where("uuid = ?", uuid).Order("id desc").First(llog)
 	return llog.UserId
 }
+
+// IsPasswordEmptyById 根据用户id判断密码是否为空，主要用于第三方登录的自动注册
+func (us *UserService) IsPasswordEmptyById(id uint) bool {
+	u := &model.User{}
+	if global.DB.Where("id = ?", id).First(u).Error != nil {
+		return false
+	}
+	return u.Password == ""
+}
+
+// IsPasswordEmptyByUsername 根据用户id判断密码是否为空，主要用于第三方登录的自动注册
+func (us *UserService) IsPasswordEmptyByUsername(username string) bool {
+	u := &model.User{}
+	if global.DB.Where("username = ?", username).First(u).Error != nil {
+		return false
+	}
+	return u.Password == ""
+}
+
+// IsPasswordEmptyByUser 判断密码是否为空，主要用于第三方登录的自动注册
+func (us *UserService) IsPasswordEmptyByUser(u *model.User) bool {
+	return us.IsPasswordEmptyById(u.Id)
+}
+