第一步，在手机桌面点击“支付宝”，如图。
/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4"/>
第二步，点击页面右下角的“我的”，然后继续点击页面右上角的“设置”，如图。
/iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc"/>
第三步，打开“安全设置”进入，如图。
/iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc"/>
第四步，选择“手机号”选项，如图。
/iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493"/>
第五步，输入新的手机号码并获取验证码验证即可，如图。
/iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd"/>
/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/359b033b5bb5c9ea91cbf2c9da39b6003af3b3e4"/>
第二步，点击页面右下角的“我的”，然后继续点击页面右上角的“设置”，如图。
/iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/cc11728b4710b9123e0100d4ccfdfc03934522dc"/>
第三步，打开“安全设置”进入，如图。
/iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/a686c9177f3e670922c0b3d534c79f3df9dc55dc"/>
第四步，选择“手机号”选项，如图。
/iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/b7fd5266d0160924b9252a31db0735fae6cd3493"/>
第五步，输入新的手机号码并获取验证码验证即可，如图。
/iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1004b5f0e0b7d8b4710b8122fdd"/>
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