新加referrer_tab_name

GMPhobos/Classes/Phobos.m

@@ -322,7 +322,8 @@ static NSString *sdkVersion = @"110";
         [dict setObject:@(0) forKey:@"fake"];
         [dict setObject:page.referrerId ? : @"" forKey:@"referrer_id"];
         [dict setObject:page.extraParam ? : @"" forKey:@"extra_param"];
-        [dict setObject:page.currentTabName ? : @"" forKey:@"tab_name"];
+        [dict setObject:page.homeTabName ? : @"" forKey:@"tab_name"];
+        [dict setObject:page.currentTabName ? : @"" forKey:@"referrer_tab_name"];
         NSAssert(page.inTime.length > 0, @"页面显示时间不能为空!");
         [Phobos track:@"page_view" attributes:dict];
     }