fix:bug

src/views/supply/engin/components/engin_form.vue

@@ -859,7 +859,7 @@ export default {
 
       this.goodsList = this.goodsList.concat(this.rightGoodsList)
       this.goodsList.forEach(k => {
-        if (!k.qty) {
+        if (k.qty) {
           k.qty = 0
         }
         if (!k.cid) {