可能是app网络设置问题。
以苹果手机操作为例解决方法;
1、首先在手机桌面中,点击“设置”图标。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7c1ed21b0ef41bd52df5988a41da81cb39db3d2d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、在“设置”界面中,选择“蜂窝数据”选项。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b151f8198618367a622f0fa33e738bd4b31ce52e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、在“蜂窝数据”的界面中,选择“中国银行”选项。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/37d3d539b6003af33d1bac1e252ac65c1038b62e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、在“中国银行”的界面中,选择“WLAN与蜂窝数据”选项,允许“中国银行”使用WLAN与蜂窝数据。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6d81800a19d8bc3ee9a976b4928ba61ea8d3452e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、然后返回手机桌面中,点击“中国银行”手机银行的图标进去。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a1ec08fa513d26978472782345fbb2fb4316d82f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、最后就可以登录进去中国银行手机银行的界面了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/95eef01f3a292df5a263dc6bac315c6034a8732f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
注意事项:
中国银行网上银行,自助设备都可以进行流水打印的,显示网络中断证明机器网络出现问题,检查一下网络连接看看,连接以后还可以继续打印的。