     }
     
     func test(completionHandler: ((UIBackgroundFetchResult) -> Void)?) {
-        sendLocalNotif("尝试获取数据", badge: -1)
+        sendLocalNotif("\(selectedCity()):尝试获取数据", badge: -1)
         let request = createRequest()
         if session == nil {
             session = sharedSessionForIOS()

    private var time: String? = "Invalid"
    var wcSession: WCSession?
    private var session: NSURLSession?
    
    func startWCSession() {
        if (WCSession.isSupported() && wcSession == nil) {

                    if self.wcSession?.complicationEnabled == true {
                        self.wcSession?.transferCurrentComplicationUserInfo(["a": tmpAQI, "c": tmpConcentration, "t": tmpTime])
                    }
                    self.sendLocalNotif("\(selectedCity()):解析得到新数据，刷新手表", badge: tmpAQI)
                    completionHandler?(.NewData)
                    if let unwrappedID = self.bgTaskID {
                        self.bgTaskID = nil
                        UIApplication.sharedApplication().endBackgroundTask(unwrappedID)
                    }
                    return
                }
                if tmpAQI < 1 || tmpConcentration < 1 {
                    self.sendLocalNotif("\(selectedCity()):解析数据出错", badge: -1)
                }
                if tmpAQI == self.aqi && tmpConcentration == self.concentration {
                    self.sendLocalNotif("\(selectedCity()):数据未变", badge: -1)
                }
            }
            self.isLoadingData = false
            completionHandler?(.NoData)
            if let unwrappedID = self.bgTaskID {
                self.bgTaskID = nil
                UIApplication.sharedApplication().endBackgroundTask(unwrappedID)
            }
        }
    }
    
