求助：风力发电模型simulink仿真时出现的问题
 

定速风电机组的模型仿真时，运行仿真，提示错误Complex signal mismatch. Output port 1 of 'dingsu/Wind Turbine Induction Generator (Phasor Type)/B1/Model' is a signal of numeric type complex. However, it is driving a signal of numeric type real
我刚刚开始用simulink，不太会，不知道该怎么解决这个问题，求大侠赐教