1. The comic author is unwell or sick, and may need to rest, which leads to the suspension of comic update.

2. Sometimes the editor or illustrator will leave the comic production team for various reasons, which will affect the comic production process.

3. In some cases, the comic creator may not be able to finish the comic within the specified time, which will delay the update of the comic.

4. Sometimes the comic author will also be engaged in other projects or tasks at the same time, which will slow down or pause the update of comics.