The reason why the mining pool cannot be connected is that the IP is blocked or the server is attacked. When the server is attacked, it will usually recover within 30 minutes to 24 hours.

Solution:

The first step is to enter the miner name and wallet address.

The second step is to click on the mining pool drop-down box and then click on mining pool management.

The third step is to enter the mining pool management and scroll to the bottom and click Add.

Step 4. Enter the name of the mining pool, for example: YC, enter the address of the mining pool, click OK and click the upper right corner to return.

The fifth step is to select the newly added mining pool in the mining pool drop-down box and click to start mining.