完善

src/views/statisticView/MonthStatistics.vue

@@ -22,7 +22,7 @@
             <thead>
               <tr >
                 <th rowspan="2" class="list-header" style="color:#fff">时间</th>
-                <th colspan="2" class="list-header" style="color:#fff" v-for="(item,i) in title" :key="i"> {{ item }}</th>
+                <th class="list-header" style="color:#fff" v-for="(item,i) in title" :key="i"> {{ item }}</th>
               </tr>
               <tr>
                 <template v-for="i in 6 ">