提交代码~

app.json

   "usingComponents": {
     "tabBar": "/components/tabbar/tabbar",
     "listItem":"/components/listItem/listItem",
-    "van-loading": "/miniprogram_npm/@vant/weapp/loading",
-    "van-icon": "/miniprogram_npm/@vant/weapp/icon",
-    "van-row": "/miniprogram_npm/@vant/weapp/row",
-    "van-col": "/miniprogram_npm/@vant/weapp/col"
+    "van-loading": "/miniprogram_npm/miniprogram_npm/@vant/weapp/loading",
+    "van-icon": "/miniprogram_npm/miniprogram_npm/@vant/weapp/icon",
+    "van-row": "/miniprogram_npm/miniprogram_npm/@vant/weapp/row",
+    "van-col": "/miniprogram_npm/miniprogram_npm/@vant/weapp/col"
   },
   "window": {
     "backgroundTextStyle": "light",

pages/index/index.json

 {
   "usingComponents": {
-    "van-button":"/miniprogram_npm/@vant/weapp/button",
-    "van-sticky":"/miniprogram_npm/@vant/weapp/sticky",
-    "van-tab": "/miniprogram_npm/@vant/weapp/tab",
-    "van-tabs": "/miniprogram_npm/@vant/weapp/tabs",
-    "van-dropdown-menu": "/miniprogram_npm/@vant/weapp/dropdown-menu",
-    "van-dropdown-item": "/miniprogram_npm/@vant/weapp/dropdown-item",
-    "van-search": "/miniprogram_npm/@vant/weapp/search/index"
+    "van-button":"/miniprogram_npm/miniprogram_npm/@vant/weapp/button",
+    "van-sticky":"/miniprogram_npm/miniprogram_npm/@vant/weapp/sticky",
+    "van-tab": "/miniprogram_npm/miniprogram_npm/@vant/weapp/tab",
+    "van-tabs": "/miniprogram_npm/miniprogram_npm/@vant/weapp/tabs",
+    "van-dropdown-menu": "/miniprogram_npm/miniprogram_npm/@vant/weapp/dropdown-menu",
+    "van-dropdown-item": "/miniprogram_npm/miniprogram_npm/@vant/weapp/dropdown-item",
+    "van-search": "/miniprogram_npm/miniprogram_npm/@vant/weapp/search/index"
   }
 }