Step 1: Click to open MindMaster to enter the home page. You can click on the left side of the interface to switch to Open, Create New and Open Mind Map in Map Community. How does MindMaster set up a relationship line with arrows at both ends?

Step 2: After entering the mind map editing interface, click the relationship line button in the Start tab, or use the Ctrl+R key or the Ctrl+shift+R key to adjust the relationship line, which can be adjusted according to your own needs.

Yi Tu Brain Map is a professional and practical cross-platform thinking manager launched by Yi Tu, which combines the advantages of cloud collaboration, high stability, cross-platform and powerful customization, allowing users to easily create exquisite and organized mind maps.