update

pkg/app/broadcast.go

@@ -56,8 +56,11 @@ func Broadcast()  {
 			tlog.Error("broadcast","err","wlan0 not exists")
 			ip,err = util.GetLocalIpByName("eth0")
 			if err != nil {
-				panic(err)
+				tlog.Error("broadcast","err","etn0 not exists")
+				time.Sleep(time.Second*1)
+				continue
 			}
+			tlog.Info("broadcasr","ip",ip.IP.String())
 		}
 
 		if runningAddr != nil && runningAddr.IP.String() != ip.IP.String() {
@@ -76,6 +79,7 @@ func Broadcast()  {
 				tlog.Error("broadcast","net error ",err)
 				panic(err)
 			}
+			tlog.Info("broadcast","oldip",runningAddr.IP.String(),"newip",ip.IP.String())
 			runningAddr = ip
 		}