报错问题？

TypeError: undefined is not an object (evaluating 't._wrapper')是什么意思？？？

在v3模式下会报这样的错误，
老版本没有此错误

代码：

<template>  
    <view>  
        <!-- 占位导航栏高度 -->  
        <uni-status-bar bgColor="#FFE933"></uni-status-bar>  
        <!-- 头部背景图 -->  
        <image class="user-set-login-headbg" src="../../static/common/loginbg.png" mode="widthFix"></image>  
        <!-- 关闭按钮 -->  
        <view class="iconfont icon-cross close" @tap="close"></view>  
        <view class="body">  
            <!-- 密码登录 -->  
            <!-- <template v-if="status"> -->  
            <view class="q1" v-show="status">  
                <input type="text" placeholder="昵称/手机号/邮箱" maxlength="18" v-model="username" class="uni-input change-input" />  
                <view class="login-input-box forget-input">  
                    <input type="text" placeholder="请输入密码" maxlength="18" v-model="password" password class="uni-input change-input" />  
                    <view class="forget u-f-ac u-f-ajc" @tap="forget">忘记密码?</view>  
                </view>  
            </view>  
            <!-- </template> -->  
            <!-- 验证码登录 -->  
            <!-- <template v-else> -->  
            <view class="q2" v-show="!status">  
                <view class="login-input-box ">  
                    <view class="phone u-f-ac u-f-ajc">+86</view>  
                    <input type="text" placeholder="输入手机号" maxlength="18" v-model="phone" class="uni-input change-input phone-input" />  
                </view>  
                <view class="login-input-box">  
                    <input type="text" placeholder="输入验证码" maxlength="18" v-model="checknum" class="uni-input change-input auth-input" />  
                    <view class=" u-f-ac u-f-ajc auth" @tap="ss"><view>获取验证码</view></view>  
                </view>  
            </view>  
            <!-- </template> -->  
            <!-- 协议 -->  
            <view class="login-rule u-f-ac u-f-ajc">  
                <view class="common-font-color">我已阅读并同意</view>  
                <view class="link-color" @tap="agreement">用户服务协议</view>  
                <view>和</view>  
                <view class="link-color" @tap="policy">隐私政策</view>  
            </view>  
            <!-- 登录 -->  
            <button type="default" class="common-btn" :class="{ 'home-disable-btn': disabled }" @tap="submit">登录</button>  
            <!-- 登录方式切换 -->  
            <view class="u-f-ajc u-f-ac" @tap="changeStatus">  
                验证码登录  
                <view class="iconfont icon-you- common-font-color"></view>  
            </view>  
            <!-- 第三方登录 -->  
            <view class="other-login-title u-f-ajc u-f-ac common-padding common-font-color">第三方账号登录</view>  
            <other-login></other-login>  
        </view>  
    </view>  
</template>  

<script>  
import uniStatusBar from '../../components/uni-status-bar/uni-status-bar.vue';  
import otherLogin from '../../components/home/other-login.vue';  
export default {  
    components: {  
        uniStatusBar,  
        otherLogin  
    },  
    data() {  
        return {  
            /*true密码登录  
            false验证码登录*/  
            status: true,  
            // 表单值  
            disabled: false,  
            loading: false,  
            username: '',  
            password: '',  
            phone: '',  
            checknum: ''  
        };  
    },  

    methods: {  
        // 关闭按钮  
        close() {  
            uni.navigateBack({  
                delta: 1  
            });  
        },  
        // 忘记密码  
        forget() {  
            uni.navigateTo({  
                url: ''  
            });  
        },  
        // 用户协议  
        agreement() {},  
        // 隐私政策  
        policy() {},  
        // 登录方式切换  
        changeStatus() {  
            this.status = !this.status;  
            this.initinput();  
        },  
        // 初始化表单  
        initinput() {  
            (this.username = ''), (this.password = ''), (this.phone = ''), (this.checknum = '');  
        },  
        // 改变按钮状态  
        // onBtnChange() {  
        //  if((this.username&&this.password)||(this.phone&&this.checknum)) {  
        //      this.disabled=false  
        //      return  
        //  }  
        //  this.disabled=true  

        // },  
        // 登录  
        submit() {  
            console.log(this.username);  
            console.log(this.password);  
        }  
    }  
};  
</script>  

<style scoped>  
/* 公共padding值 */  
.common-padding {  
    padding: 20rpx 0;  
}  
.common-font-color {  
    color: #d5d5d5;  
}  
.link-color {  
    color: #32b1fc;  
}  

.user-set-login-headbg {  
    width: 100%;  
}  
/* 关闭按钮 */  
.close {  
    position: fixed;  
    top: 30px;  
    left: 30rpx;  
    font-size: 46rpx;  
    font-weight: bold;  
    color: #564f11;  
}  
.login-input-box {  
    position: relative;  
}  
/* 忘记密码 */  
.forget {  
    position: absolute;  
    top: 0;  
    right: 0;  
    height: 100%;  
    width: 150rpx;  
    /* background-color: #007AFF; */  
}  
.forget-input > input {  
    padding-right: 150rpx;  
}  
/* 协议 */  
.login-rule {  
    margin: 45rpx 0 0 0;  
}  
.login-rule view {  
    font-size: 26rpx;  
}  
/* 登录按钮 */  
.common-btn {  
    margin-top: 16rpx;  
}  
/* 第三方账号登录 */  
.other-login-title {  
    position: relative;  
    /* background-color: #0077AA; */  
}  
.other-login-title::after,  
.other-login-title::before {  
    position: absolute;  
    top: 50%;  
    content: '';  
    width: 100rpx;  
    height: 1rpx;  
    background-color: #d5d5d5;  
}  
.other-login-title::before {  
    left: 20%;  
}  
.other-login-title::after {  
    right: 20%;  
}  
/* 验证码登录 */  
.phone {  
    position: absolute;  
    top: 0;  
    left: 0;  
    /* background-color: #007AFF; */  
    width: 80rpx;  
    height: 100%;  
}  
.phone-input {  
    padding-left: 80rpx;  
}  
.auth-input {  
    padding-right: 160rpx;  
}  
.auth {  
    position: absolute;  
    top: 0;  
    right: 0;  
    /* background-color: #007AFF; */  
    width: 160rpx;  
    height: 100%;  
}  
.auth > view {  
    border-radius: 15rpx;  
    padding: 6rpx 20rpx;  
    background-color: #f4f4f4;  
    font-size: 22rpx;  
}  
</style>