AppDelegate.m 中
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken{
[UMessage registerDeviceToken:deviceToken];
NSString *tokenStr = [[[[deviceToken description] stringByReplacingOccurrencesOfString: @"<" withString: @""]
stringByReplacingOccurrencesOfString: @">" withString: @""]
stringByReplacingOccurrencesOfString: @" " withString: @""];
self.device_token = tokenStr;
NSLog(@"%@",tokenStr);
}