The uni-app soft keyboard lifts up the fixed input box at the bottom

When the input box is clicked, the soft keyboard pops up, push up the fixed input box, and set the input box: :adjust-position="true" 

<view class="cu-bar search bg-white" style="position: fixed;left: 0;bottom: 0;width: 100%;z-index: 9999;" >
	<view class="search-form">
		<input :adjust-position="true" type="text" placeholder=" 请输入信息"  v-model="my_say_text"></input>
		<button @click="to_send" type="primary" style="height: 64upx;line-height: 64upx;margin-left: 16upx;background: #FF5959;">发送</button>
	</view>
</view>