The window linkage of futures software means that when the market interface is divided into multiple windows, when you click to query a futures product, other windows will also display the corresponding market graphics of the futures, such as K-line, time-sharing chart and transaction details.
Linkage can be set in the window. Take Master Boyi as an example, as shown below. Click the right mouse button in the K-line window below, and select Linkage in the pop-up options to realize the linkage of each window: