防止pageNo--为0报错

pages/index/position.vue

@@ -207,6 +207,7 @@ const getData = async () => {
   }, {})
   const params = hasValue ? _query : { pageSize: query.pageSize, pageNo: query.pageNo, hire: 0 }
   if (params.pageNo === 1) positionListData.value = []
+  if (params.pageNo <= 0) return
   type.value = hasValue ? 'position' : 'recommend'
   try {
     more.value = 'loading'