Methods and detailed steps are as follows:

1. The first step is to open the WeChat dialog box, find the "emoticon" icon in the picture below, and then click on it, see the picture below, go to the following steps.

2, the second step, after the implementation of the above operations, in the last line of the right slide, until you see the following red box in the picture marked by the icon, and then click, see the figure below, go to the following steps.

3, the third step, after the operation above, slide right a few pages, you will see the red exclamation point and question mark, see the picture below, go to the following step.

4, the fourth step, after the implementation of the above operations, click on the red exclamation point and question mark will be sent, see the figure below. This solves the problem.