Wechat emoticon pack small yellow face Why is mine incomplete?

1, the simplest and most direct way is to restart. Restarting cannot solve the following problems.

2, the problem of input method, sometimes the input method will cause problems in the input field when switching, try to initialize the input method to solve it.

3. Because too many expressions have been added, please close the WeChat program in the background and try again.

4, the computer storage space is insufficient, regularly clean up junk files and cache.