关于扫码后 页面跳动的问题

代码：if(res.scanType=='QR_CODE'){
uni.navigateTo({
url: str[1],
success: res => {console.log("success:"+res)},
fail: () => {console.log("error:"+res)},
complete: () => {console.log("finally:"+res)}
});
用的是uni.navigateTo进行跳转 下面是gif图