vue element el-table 传的值报_self.$scopedSlots.default is not a function

 1     <el-table
 2         :data="newlist"
 3         style="width: 100%">
 4         <template v-for="(item,index) in tableHeaderData">
 5           <el-table-column
 6             :key="index"
 7             v-if="item.isProp"
 8             :prop="item.prop"
 9             :label="item.label">
10           </el-table-column>
11           <el-table-column
12             v-if="!item.isProp"
13             :label="item.label">
14             <template slot-scope="scope">
15               <el-input-number
16               :key="index+item.prop"
17               :max="100"
18               :min="0"
19               :step="1"
20               :precision="0"
21               controls-position="right"
22               placeholder="请输入内容"
23               v-model="scope.row.ratio"
24               @change="handleEdit(scope.row)"
25               ></el-input-number>
26             </template>
27           </el-table-column>
28         </template>
29       </el-table>