diff --git a/app/mix/service/business_validator/login.go b/app/mix/service/business_validator/login.go
index 4c93e593..9355a5ed 100644
--- a/app/mix/service/business_validator/login.go
+++ b/app/mix/service/business_validator/login.go
@@ -83,13 +83,13 @@ func (l *LoginBusinessValidator) EnsureNewMobilePhoneNotRegistered(QueryFunc fun
 
 		phoneHash := mycrypto.CryptoServiceInstance().SHA256.Encrypt([]byte(mobilePhone))
 
-		account, err := QueryFunc(l.ctx, phoneHash)
+		accounts, err := QueryFunc(l.ctx, phoneHash)
 		if err != nil {
 			logger.Error("Query account failed, err: %v", err)
 			l.ec = errcode.ErrCodeAccountSrvFail
 			return
 		}
-		if account != nil {
+		if len(accounts) > 0 {
 			logger.Error("This mobile phone has been registered")
 			l.ec = errcode.ErrCodeLoginMobilePhoneHasBeenRegistered
 			return