可以修改，但是只能修改一次。以OPPOR9S手机使用手机微信V7.0.3版本为例，修改方法如下：一、手机打开微信进入后，点击页面右下角的“我”，然后选择“设置”选项。/iknow-pic.cdn.bcebos.com/4afbfbedab64034f54094c60a1c379310b551d8b"target="_blank">/iknow-pic.cdn.bcebos.com/4afbfbedab64034f54094c60a1c379310b551d8b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/4afbfbedab64034f54094c60a1c379310b551d8b"/>二、进入设置以后，选择“帐号与安全”选项。/iknow-pic.cdn.bcebos.com/拍孙拿838ba61ea8d3fd1fa8112b5c3e4e251f95ca5fb8"target="_blank">/iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fa8112b5c3e4e251f95ca5fb8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fa8112b5c3e4e251f95ca5fb8"/>三、然后找到“微信号”一栏并点击进入。/iknow-pic.cdn.bcebos.com/6c224f4a20a4462378d12c049622720e0cf3d7b9"target="_blank">/iknow-pic.cdn.bcebos.com/6c224f4a20a4462378d12c049622720e0cf3d7b9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/6c224f4a20a4462378d12c049622720e0cf3d7b9"/>四、进入以后输入要设立的微信号，然后保存即可。/iknow-pic.cdn.bcebos.com/203fb80e7bec54e780dc9378b7389b504fc26aa0"target="_blank">/iknow-pic.cdn.bcebos.com/203fb80e7bec54e780dc9378b7389b504fc26aa0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/203fb80e7bec54e780dc9378b7389b504fc26aa0"/>参加资料来源：/kf.qq.com/faq/161224Z7fU3M161224nQBfmQ.html"target="_blank">微信官网-微信号设置/修改
标签：信号
