el-table vue-treeselect 踩坑记录

   加入这两个属性  耽误了半天时间

append-to-body z-index="9999"  

  <el-table-column label="督查对象" prop="siTarget"   >
            <template slot-scope="scope">
              <treeselect
                  :multiple="true"
                  append-to-body z-index="9999"
                  :options="dept1List"
                  :flat="true"
                  :default-expand-level="1"
                  placeholder="请选择督查对象"
                  v-model="scope.row.siTarget"
                  />
               
            template>