Ever ask lta officer before he mention my shop house no blocking are ok, how come got this issue?

Hi Mr. Michael, you may want to try appealing here https://vrl.lta.gov.sg/lta/vrl/action/submitAppeal?FUNCTION_ID=F2201002TT. You may also find our guide to appealing fines useful https://www.motorist.sg/article/591/appeal-letter-template-for-traffic-fines-and-parking-offences-in-singapore.