In the Markdown of ShowDoc, the use of escape character \ is displayed normally *

1. In the ShowDoc, 2 * 3600 is displayed as: 2 * 3600. 30 * 24 * 3600 is displayed as: 30 24 3600. as shown in Figure 1

|CHANNEL_PUB_API_CFG_REFRESH_TOKEN_EXPIRES_IN | 24 * 3600 |
|CHANNEL_PUB_API_CFG_REFRESH_TOKEN_TIME_OUT | Refresh token timeout time, in seconds | No | 2 * 3600 | 2 * 3600 |

2. Use escape characters in 30 * 24 * 3600, modify it to: 30 \* 24 \* 3600. 30 \* 24 \* 3600 are displayed as: 30 * 24 * 3600. in line with expectations. as shown in Figure 2

|CHANNEL_PUB_API_CFG_REFRESH_TOKEN_EXPIRES_IN | \* 24 \* 3600 |
|CHANNEL_PUB_API_CFG_REFRESH_TOKEN_TIME_OUT | Refresh token timeout time, in seconds | No | 2 * 3600 | 2 * 3600 |