Why is there a small circle when sending messages in the nail group?

It may be the attachment caused by bad network.

There is a circle in the middle of nailing software, which may be caused by bad network.

Open the nail computer version and log in the nail background; Click on the nail sign on the left; The nail message dialog box pops up, and click New. A new dialog box pops up. Take in-app ding as an example, click one of in-app ding, SMS ding and phone ding. Then click the Add button behind the personnel to pop up the list of sending personnel, and click to select the personnel to be appointed.

After selecting a person, enter the content to be sent; After filling in the content, click Send at the bottom to complete the operation of sending the nail message to the team members.