The information is edited and sent but not displayed.

It is not displayed because the message mode is set.

1, open a new chat window; 2. Click the small triangle to the right of "Send"; 3. Just click "Message Mode" in the drop-down box.

Information coding is a process of coding information elements in order to facilitate the storage, retrieval and use of information. In other words, different codes are used to establish one-to-one correspondence with basic unit components in various information. Information coding must be standardized and systematic, and designing a reasonable coding system is an important factor related to the vitality of information management system.