diff --git a/resources/js/supplier-batch-add-spec.js b/resources/js/supplier-batch-add-spec.js
index 16a8c60..187c6ea 100644
--- a/resources/js/supplier-batch-add-spec.js
+++ b/resources/js/supplier-batch-add-spec.js
@@ -33,7 +33,7 @@ $(function () {
 
 		var date = new Date();
 		date = prompt('请输入起始日期', date.format('yyyy-MM-dd'));
-		if (!date) {
+		if (!date || isNaN(new Date(date).getTime())) {
 			return;
 		}