onChange(val) {
   console.log("🚀 ~ onChange ~ val:", val);
   let dynamicFormConfig = [];
   const fieldTypes = ["THIRD_BUY_PLATFORM", "THIRD_ORDER_IMGS"];
   const init = this.data.dynamicFormConfigInitList;
   if (val === "NO_BUY_HHDS") {
     dynamicFormConfig = init;
   } else {
     dynamicFormConfig = init.filter(
       (item) => !fieldTypes.includes(item.fieldType)
     );
   }
   this.setData({
     dynamicFormConfig,
   });
 },

<view a:for="{{dynamicFormConfig}}" a:for-key="item.key">
   <form-input
       a:if="{{item.dataType === 'TEXT'}}"
       label="{{item.name}}"
       name="{{item.key}}"
       required
       ref="handleRef" />
   <form-radio-group
       a:elif="{{item.dataType === 'SINGLE'}}"
       label="{{item.name}}"
       name="{{item.key}}"
       required
   onChange="onChange"
       options="{{ item.options }}"
       ref="handleRef" />
</view>