YT-336pda制品回收，1.字段显示不正确，2.包装数没有的应显示0

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
+				}
 			}
 		},
 	}