bugfix：推到后台的时候，如果当前页面有pv事件，则发送一次

Pod/Classes/Phobos.m

@@ -175,9 +175,9 @@ static NSString *sdkVersion = @"110";
  */
 - (void)handleAppInBackgound:(id)sender{
     phobosLog(@"handleAppInBackgound");
+    [self handlePVEventAppInBackgound];
     [self handleSessionOver];
     [self fetchDataAndSend];
-    [self handlePVEventAppInBackgound];
 }
 
 /**