求助帖：3.8.12版本HbuilderX编译中出现whitespace was expected以及v-bind=""is not supported

<template>
    <view class="load-main">
        <view class="load-box">
            <view class="load-text">
                登录
            </view>
            <view class="load-input">
                <input type="text" placeholder-class="load-place" placeholder="请输入账号":value='username'/>
            </view>
            <view class="load-input">
                <input type="text" placeholder-class="load-place" placeholder="请输入密码":password='password'/>
            </view>
            <view class="load-button">
                <button class="load-button-style">
                    登录
                </button>
            </view>
        </view>
    </view>
</template>


<script>
    export default {
        data() {
            return {
                title: 'Hello',
                username:'',
                password:''
            }
        },
        onLoad() {

        },
        methods: {

        }
    }
</script>

如上，其余代码均为初始模板，未修改。

请问有大佬知道是什么原因吗？