cant run Flash_jpg example

[Omidttl]

when i compile the flash_jpg example for stm32f1c8t6(bluepill)
receive this in the console

In function 'void setup()': C:\Users\0mid\AppData\Local\Temp\.arduinoIDE-unsaved2025221-23196-13ox0i0.x2sxg\Flash_Jpg\Flash_Jpg.ino:39:3: error: 'Serial' was not declared in this scope; did you mean 'Serial3'? 39 | Serial.begin(115200); | ^~~~~~ | Serial3 C:\Users\0mid\AppData\Local\Temp\.arduinoIDE-unsaved2025221-23196-13ox0i0.x2sxg\Flash_Jpg\Flash_Jpg.ino: In function 'void loop()': C:\Users\0mid\AppData\Local\Temp\.arduinoIDE-unsaved2025221-23196-13ox0i0.x2sxg\Flash_Jpg\Flash_Jpg.ino:67:3: error: 'Serial' was not declared in this scope; did you mean 'Serial3'? 67 | Serial.print("Width = "); Serial.print(w); Serial.print(", height = "); Serial.println(h); | ^~~~~~ | Serial3
I have tried include software serial.h but results in multiple software serial libraries
have the same problem with DMA test flash_jpg_dma example of tft_espi example
would u mind give some help ??