Robot control with WorksRobotController

Hello, I want to use workprocss and worksrobotcontroller to control the robot to move on the seventh axis, but he will report an error “executor: vchelperjointmove: P1: position is out of reach of the robot.” (the seventh axis is connected to the worksrobotcontroller)
Can you give me any suggestions?
The running effect is similar to that in the demo,like this