diff --git a/apps/daas/src/views/login/Login.vue b/apps/daas/src/views/login/Login.vue
index 3fc1640bb..73e2c0bb7 100644
--- a/apps/daas/src/views/login/Login.vue
+++ b/apps/daas/src/views/login/Login.vue
@@ -84,7 +84,7 @@ export default {
         )
       } else if (
         // eslint-disable-next-line
-        !/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email) &&
+        !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(form.email) &&
         !this.adEnable
       ) {
         message = this.$t('app_signIn_email_invalid')