Vue动态获取数据后控件不可编辑问题

  //钩子函数，初始化页面用
  created() {
    this.carryCurrentRowCode = this.$route.query.carryCurrentRowCode;
    if (this.carryCurrentRowCode != undefined) {
      // 试题分类
      this.questionClassification = this.carryCurrentRowCode.questionClassifyId;
      // 试题类型
      this.v_type = this.carryCurrentRowCode.questionTypeId;
      // 试题难度
      this.v_difficulty = this.carryCurrentRowCode.degreeInitial;
      // 试题编号
      this.i_number = this.carryCurrentRowCode.serial;
      this.statusData();
      this.editNotavailable = true;
}

this.editNotavailable = true;

<!-- 下拉框-课程分类 -->
     <el-select
        :disabled="editNotavailable"
        v-model="couponSelected "
        class="select_coures"
     </el-select>
>
<!-- 下拉框-试题类型 -->
     <el-select
        :disabled="editNotavailable"
        class="select_qutestions"
        v-model="v_type"
        @change="q_type"
>
     </el-select>
<!-- 接收试题编号 -->
<el-input
     v-model="i_number"
     :disabled="editNotavailable"
     placeholder="请输入编号"
     style="width:10%"
     class="m_left"
      >
</el-input>

editNotavailable: false,