MXADSLicense: MITMXAvroLogValidateLicense: MITMXCacheLicense: MITMXGCDQueuePoolLicense: MITMXLRULicense: MITMXTimerLicense: MITSafeNavigation防止同时多次push导致的UINavigationController crash,防止同时多次push导致的UINavigationController crashLicense: MITObjective C