update by yao

CamDog/dogobject.cpp

@@ -130,7 +130,7 @@ void DogObject::time_out()
         }
     }
 
-    if((t-ytShm->workingTime[0])>60){
+    if((t-ytShm->workingTime[0])>15){
         system("killall ytCamCore");
         system("rm -f /usr/local/nginx/html/hls/*");
         system("rm /tmp/*.mp4");