Forza Horizon 5 Rival Result Save Problems and Rival Ghost Never show up Problems

Forza Horizon 5 Rival Result Save Problems and Rival Ghost Never show up Problems
About 2 months ago, my game never save my rival laptime result,and the rival list never show up my record.
At the same time,my rival can’t show rival ghost,i have checked my setting,ghost is on.
Above 2 problems made me mad,and i have redownloaded my game many times,and relog in XBOX account many times,it still can’t work.
Who Can Help Me?