diff --git a/src/mycomponents/qty/recommendQty.vue b/src/mycomponents/qty/recommendQty.vue
index 8a8b5f00..a1406e0d 100644
--- a/src/mycomponents/qty/recommendQty.vue
+++ b/src/mycomponents/qty/recommendQty.vue
@@ -88,7 +88,11 @@
 		},
 		methods: {
 			calc(qty, packQty) {
-				return Math.ceil(Number(qty) / Number(packQty));
+				if(qty&&packQty){
+					return Math.ceil(Number(qty) / Number(packQty));
+				}else{
+					return 0
+				}
 			}
 		},
 	}