成绩列表新增成绩列

src/utils/common.js

 export function timestampToTime(timestamp) {
   var date = new Date(timestamp * 1000)
   var Y = date.getFullYear() + '-'
-  var M = (date.getMonth() + 1 < 10 ? '00' + (date.getMonth() + 1) : date.getMonth() + 1) + '-'
+  var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-'
   var D = date.getDate() + ' '
   var h = ''
   if (date.getHours() < 10) {