supported by the National Natural Science Foundation of China(Grant Nos.11461008;11761014);the Guangxi Natural Science foundation(Grant Nos.2016GXNSFBA380035;2017GXNSFAA198243;2018GXNSFAA281016);Open Foundation for Key Laboratories and Statistical Models in Universities of Guangxi(Grant No.2017GXKLMS002);the Youth science Foundation of Guangxi Normal University(The study of ruin problems based on dependent risk models)