Unfair bank practise at Standard bank

Apparently Standard bank has a honouring fee they add on a customer account that is supposed to assist the customer to ensure that your transactions will go through .I don't know who they are honouring with these obscene charges but its not the customer .You get a sms stating the transaction went through , yet i am told not to use the sms as my guide line .Since last month this started , on 14 June a transaction was processed of R 113 , the money deducted from my account and a sms sent through .Then later i see a honouring fee of R 113 on my account .So now my account is in a - R 117 .This was confusing to me , i drew a statement on my app and saw that when that transaction was processed through my account it had a balance of - R 3.65 because i drew R 35o on the 15 th June .What is upsetting to me is that i can understand that i owe the bank R 3.65 , BUT NOT R 113.50 .So actually i paid twice for the goods .,they did not reverse this and only take the charges when money was paid into my account again .they took R 117.15. So they are not helping their customers as they say to have good credit record , No they now collect additional income from their customers . This happened again 7 th of July .Again i have had this account for more than a year and i never had issues no the bank keeps adding honouring fees that they expect me to pay .If i add the minus amount according to them it is R 8.07 for the two transactions ,yet the honouring fees are R 377.50 .Not even a loan shark will charge you that amount !!! I did not sign for a honouring fee , i did not apply for a loan , yet i am expected to pay one .I want this sorted out , take your R 8.07 and fix my account with the balance .I was told even if my account is -R 1.00 these amounts will be charged .THIS IS NOT CUSTOMER SERVICE THIS IS ******* !!!