Arduino AT commads GSM HTTP send data to server error using arduino

IoT Modules GSM Module
1

I’m using Arduino uno to send AT commands to HTTP server using SIMCOM gsm module when i send string to the HTTP server using USB to TTL then i will able to successfully send string but when i do use Arduino uno then i will able to perform all commands but only problem is i’m unable to successfully send string to the server.

2

Can you send an attachment of how you are doing that?