1.Segger RTT version is 7.92
2.The following image shows the files I added to the project

3. In S32DS Debug with SWD and I called this function "SEGGER_RTT_Init" before I used "SEGGER_RTT_printf "

4. My RTT Viewer can connect to the hardware correctly, but without any output,

I will be very grateful to someone for his help,thinks.