The default upgrade does not have the option to upgrade to 10.10, you can use the following steps to upgrade:
1. When the network is running normally, Alt+F2 opens and runs update-manage -d, and then the following window will appear, follow the prompts to upgrade Can.
1. When the network is running normally, Alt+F2 opens and runs update-manage -d, and then the following window will appear, follow the prompts to upgrade Can.