把这个样式删掉 .password>input
.password{
		padding: 30rpx 0;
		width: 646rpx;
		display: flex;
		border-bottom: 1rpx solid #E5E5E5;
		justify-content: space-between;
                align-items: center;
	
}

<template>
	<view class="content">
		<view class="password">
			<input type="text" v-model="codeReg" placeholder="请输入验证码"
				placeholder-style="color:#999999; font-size:28rpx;">
			<button class="Code" @click="wxCode">{{getCodeText}}</button>
		</view>
	</view>
</template>


<script>
	export default {
		data() {
			return {
				codeReg: null, //验证码
				getCodeText: '获取验证码',
			}
		},
		onLoad() {


		},
		methods: {
			wxCode() {
				console.log(11111)
			}
		}
	}
</script>


<style>
	.Code {
		margin: auto 0;
		height: 56rpx;
		background: #CF192A;
		border-radius: 28rpx;
		text-align: center;
		font-size: 20rpx;
		font-family: PingFang SC;
		font-weight: 500;
		color: #FFFFFF;
		line-height: 56rpx;
	}


	.password {
		padding: 30rpx 0;
		width: 646rpx;
		margin: auto;
		display: flex;
		border-bottom: 1rpx solid #E5E5E5;
		justify-content: space-between;
		margin-bottom: 30rpx;
	}


	.password>input {
		margin: auto 0;
		margin-right: auto;
	}
</style>