Fixed potential null pointer reference.
Fixed potential null pointer reference.

mleasyZhuZhiqiang/KSCrash,mindsnacks/KSCrash,mleasyZhuZhiqiang/KSCrash,mindsnacks/KSCrash,mleasyZhuZhiqiang/KSCrash,mindsnacks/KSCrash,mindsnacks/KSCrash