[Bug Report] 微信内置浏览器环境下v-transfer-dom组件点击按钮失效

### VUX version
2.9.4

### OS/Browsers version
/

### Vue version
2.6.10

### Code

```html

onConfirm5 (value) {
this.$refs.confirm5.setInputValue()
if(value){

this.Nickname = value
let gender
if(this.value5[0] == '女士'){
gender = 0
}else{
gender = 1
}
let data = {
"memberId":localStorage.getItem("userId"),
"mobile":this.phone,
'realName':this.name,
'nickName':value,
'gender':gender,
'base64Str':localStorage.getItem("path"),
}
personainformation({
param:data
}).then((res)=>{
if(res.code == 0){
Toast('修改成功')
}
})

}else{
Toast('请输入昵称')
this.show = true
return false
}
},
```

### Steps to reproduce
出现弹层后，弹出键盘，手动收起键盘 再点击 弹层的取消. 确定按钮无效

### What is Expected?
正常关闭弹层

### What is actually happening?
未关闭弹层