一。程序没有死掉
（1）点击推动消息
第一个被执行函数
[defaultCenter addObserver:self
selector:@selector(networkDidRegister:)
name:kJPFNetworkDidRegisterNotification
object:nil];
第二个被执行函数
- (void)application:(UIApplication *)application
didReceiveRemoteNotification:(NSDictionary *)userInfo
fetchCompletionHandler:
(void (^)(UIBackgroundFetchResult))completionHandler {}
（2）点击icon
只执行这一个函数
[defaultCenter addObserver:self
selector:@selector(networkDidRegister:)
name:kJPFNetworkDidRegisterNotification
object:nil];
二：程序已经死掉
（1）点击推送
推送消息在launchOptions里面
(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions;
（2）点击icon
什么都不执行
