ZigZag Trading Robot already done, but some minor changes needed

Hello,

we got a Trading-Bot programmed by a freelancer form mql5.com, its running fine, but we need 2 changes in the algo.

Basically the bot opens pending buy and sell order when the ZigZag Indikator shows a peak, this worked fine.

1. The initial Volume has to increase by 1 x initial Volume if the last trade was a loss (works fine). But if the last trade was a win, and the Volume was increased before, the algo now decreases the actual Volume by 1 (works fine) but it must be 2.

2. Right now the algo deletes no pending orders, so when we got a pending buy order ... but the charts goes down, this buy order last forever. We need the algo to cancel the  old pending buy order and open a new one if there is a new spike. ( I attached a picture, ther it is mor clear what I am talking about.

So we got a running bot, but we need some changes, is there anybody who can help quickly?

Regards