1、右上角新增消息中心提示

2、消息中心新增连接点击打开对应的详情页面
3、页面样式调整，关联附件新增前端分页

src/views/statistic/index.vue

@@ -95,7 +95,7 @@
           </div>
           <div class="rt">
             <el-table v-loading="downLoading" :data="toolDownStatList">
-              <el-table-column type="index" label="序号" width="50" />
+              <el-table-column type="index" label="序号" width="50" align="center"/>
               <el-table-column label="工具编号" align="center" key="toolCode" prop="toolCode" />
               <el-table-column label="工具名称" align="center" key="toolName" prop="toolName"  :show-overflow-tooltip="true" />
               <el-table-column label="下载次数" align="center" key="toolDownNum" prop="toolDownNum" width="120" />