The call uploaded by mobile qq failed and kept showing. How to delete it?

The network is unstable, and the operation method is as follows;

1. First find QQ in your mobile phone, and click Enter to find the dynamics below QQ.

2. Then, in the dynamic page that opens, click to enter the friend dynamic.

3, and then click on the personal avatar in the friend dynamics, as shown in the figure below.

4, and then in the open page, find the need to delete.

5. Then find the icons of three points in the upper right of the dynamic, as shown in the figure below.

6. Find Delete in the pop-up page below, as shown in the figure below.