diff --git a/cmd/internal/dao/artistInfo_user.go b/cmd/internal/dao/artistInfo_user.go
index 49cea20..4e23591 100644
--- a/cmd/internal/dao/artistInfo_user.go
+++ b/cmd/internal/dao/artistInfo_user.go
@@ -153,7 +153,7 @@ func CheckInvitedCodes(invitedCode string) (uint, error) {
 	// 变更为通过账号服务验证邀请码
 	var user model.User
 	//找到用户
-	if err := db.DB.Where("invited_code =?", invitedCode).Find(&user).Error; err != nil {
+	if err := db.DB.Where("BINARY invited_code =?", invitedCode).Find(&user).Error; err != nil {
 		return 0, err
 	}
 	if user.ID == 0 {
@@ -397,7 +397,7 @@ func CheckInvitedCode(req *artistInfoUser.CheckInvitedCodeRequest) (rep *artistI
 	rep = &artistInfoUser.GetUserRespond{}
 	// service := &artist.UserUpdateInfoService{}
 	var user model.User
-	if err = db.DB.First(&user, "invited_code invited_code = ?", req.InvitedCode).Error; err != nil {
+	if err = db.DB.First(&user, "BINARY invited_code = ?", req.InvitedCode).Error; err != nil {
 		zap.L().Error("get user info err", zap.Error(err))
 		return nil, err
 	}