1.手機出問題了。重啟就行了。
2.QQ版本需要更新，通過應用軟件更新即可。
更改QQ簽名的具體步驟如下:
第壹步，打開QQ，點擊左上角的頭像。
/iknow-pic . cdn . BCE Bos . com/4b 90 f 603738 da 97737375 e 69 BC 51f 8198618e 35 c " target = " _ blank " title = " " class = " ikqb _ img _ alink " >中。/iknow-pic . cdn . BCE Bos . com/4b 90 f 603738 da 97737375 e 69 BC 51f 8198618e 35 c？x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/4b 90 f 603738 da 97737375 e 69 BC 51f 8198618e 35 c "/>
第二步，點擊頭像底部的個性化簽名。
/ik now-pic . cdn . BCE Bos . com/4d 086 e 061d 950 a 7 B2 BD 9978606d 162 d9 f3d 3c 980 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >的鏈接。/iknow-pic . cdn . BCE Bos . com/4d 086 e 061d 950 a 7 B2 BD 9978606d 162 d9 f3d 3c 980？x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/4d 086 e 061d 950 a 7 B2 BD 9978606d 162 d9 F3 3c 980 "/>；
第三步:修改框中的個性化簽名後，點擊發布。
/iknow-pic . cdn . BCE Bos . com/1 c 950 a7b 02087 BF 421008 eab fed 3572 c 10 dfcf 80 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >中。/iknow-pic . cdn . BCE Bos . com/1c 950 a7b 02087 BF 421008 eab fed 3572 c 10 dfcf 80？x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/1 c 950 a7b 02087 BF 421008 eab fed 3572 c 10 dfcf f80 "/>