v-html rendering component problem

  <div ref="test" >
    <one-component :title="title[0]" element="<el-radio v-model='radio' label='1'>Alternative options</el-radio>"> 
      <el-radio slot="component" v-model="radio" label="1">Options</el-radio>
    </one-component>
  </div>
</template>

<script>
import OneComponent from '../components/oneComponent'
export default {
  name: '',
  data() {
    return {
        radio: '2',
        title: ['Radio single checkbox']
    }
  },
  components:{
    OneComponent
  },
 

}
</script>

<style lang="stylus" scoped>
</style>

  <div class="all">
    <el-form label-width="80px" label-position="left" :model="ruleForm" :rules="rules">
      <el-form-item label="simulated width" prop="inputW">
        <el-input v-model="ruleForm.inputW" placeholder="Please enter width"></el-input>
      </el-form-item>
      <el-form-item label="Simulation height" prop="inputH">
        <el-input v-model="ruleForm.inputH" placeholder="Please enter height"></el-input>
      </el-form-item>
    </el-form>
    <Variablebox
      class="box"
      :width="ruleForm.inputW"
      :height="ruleForm.inputH"
    ></Variablebox>
  </div>
</template>
<script>
import Variablebox from "../components/Variablebox";
export default {
  name: "",
  data() {
    var checkSize = (rule, value, callback) => {
      console.log(value);
      if (value < 500 || value > 1000) {
        callback(new Error("A number between 500 and 1000 is recommended"));
      } else if (!Number.isInteger(Number(value))) {
        callback(new Error("Please enter a numeric value"));
      } else {
        callback();
      }
    };
    return {


      ruleForm: {
        inputW: 500,
        inputH: 500
      },

      rules:
        inputW: [{ validator: checkSize, trigger: "blur" }],
        inputH: [{ validator: checkSize, trigger: "blur" }]
      }
    };
  },
  methods: {
  },
  components:
    Variablebox
  }
};
</script>
<style lang="stylus" scoped>
.all
  padding: 0 20px
  display: flex
  flex-direction: column
</style>

   new Vue({
        // el: '#app'
        template: this.ele,
         data:{
           radio: '2'
        },
      }).$mount("#apps");