解决vue-quill-editor上传内容由于图片是base64的导致字符太长的问题

<Upload
    id="iviewUp"
     ref="upload"
     :show-upload-list="false"
     :on-success="handleSingleSuccess"
     :format="['jpg','jpeg','png']"
     :max-size="2048"
     :headers="header"
     :on-format-error="handleFormatError"
     :before-upload="handleBeforeUpload()"
     type="drag"
     :action="serverUrl"
     style="display: none;width:0">
     <div style="width: 0">
       <Icon type="ios-camera" size="50"></Icon>
     </div>
   </Upload>
   <!--<Row>-->
    <quill-editor 
     v-model="detailContent" 
     ref="myQuillEditor" 
     :options="editorOption" 
     @blur="onEditorBlur($event)" @focus="onEditorFocus($event)"
     @change="onEditorChange($event)">
    </quill-editor>
   <!--</Row>-->

handleSingleSuccess (res, file) {
   // res为图片服务器返回的数据
   // 获取富文本组件实例
   let vm = this
   let quill = this.$refs.myQuillEditor.quill
   console.log('res---', vm.$refs.myQuillEditor.quill.getSelection())
   // 如果上传成功
   if (res.res_code === '1') {
     // 获取光标所在位置
     let length = quill.getSelection().index;
     // 插入图片 res.info为服务器返回的图片地址
     quill.insertEmbed(length, 'image', res.result.url)
     // 调整光标到最后
     quill.setSelection(length + 1)
   } else {
     vm.$Message.error('图片插入失败')
   }
   // loading动画消失
   this.quillUpdateImg = false
  }

 editorOption: { // 富文本框配置
     placeholder: '',
     theme: 'snow', // or 'bubble'
     modules: {
       toolbar: {
         container: toolbarOptions, // 工具栏
         handlers: {
           'image': function (value) {
 

if (value) {
               document.querySelector('#iviewUp input').click()
             } else {
               this.quill.format('image', false);
             }
           }
         }
       }
     }
   }