bug 修复

src/views/goods/create-good.vue

@@ -506,9 +506,9 @@
           id:'',
           categoryId:'',
           categoryIdLevel2: '',
-          categoryIdLevel3: 0,
-          categoryIdLevel4: 0,
-          categoryIdLevel5: 0,
+          categoryIdLevel3: '',
+          categoryIdLevel4: '',
+          categoryIdLevel5: '',
           goodsName:'',
           goodsDescription:'',
           goodsImages:[],