Vue 使用v-html 动态加载代码 点击事件失效

addHoverDom:function(treeid, treeNode) {
        if(treeNode.id == ‘<ROOT>‘) return

        const item = document.getElementById(`${treeNode.tId}_a`);

        if(item && !item.querySelector(‘.tree_extra_btn_add‘)) {
          const add = document.createElement(‘sapn‘);
          add.id = `${treeid}_${treeNode.id}_btn_add`;
          add.classList.add(‘tree_extra_btn_add‘);
          add.innerHTML = ‘<span class="el-icon-edit mr-5px ml-5px" title="编辑"></span>‘;
          add.addEventListener(‘click‘, (e) => {
            e.stopPropagation()
            // this.addNode(treeNode)
            this.updateTree();
          })
          item.appendChild(add)
        }

        if(item && !item.querySelector(‘.tree_extra_btn‘)){
          const btn = document.createElement(‘sapn‘);
          btn.id = `${treeid}_${treeNode.id}_btn`;
          btn.classList.add(‘tree_extra_btn‘);
          btn.innerHTML = ‘<span class="el-icon-delete" title="删除"></span>‘;
          btn.addEventListener(‘click‘, (e) => {
            e.stopPropagation()
            this.clickRemove(treeNode)
          })
          item.appendChild(btn);
        }


      },