Failed to download firmware to ai-thinker d200 board

[SHILUNKA]

I have tried to modified monitor_speed to 2000000。
PS C:\Users\Admin\Desktop\esp32cam-rtsp> pio run -t upload -e esp32cam_ai_thinker
Processing esp32cam_ai_thinker (board: esp32cam_ai_thinker; platform: espressif32; framework: arduino)
---------------------------------------------------------------------------------------------Verbose mode can be enabled via -v, --verbose option
CONFIGURATION: https://docs.platformio.org/page/boards/espressif32/esp32cam_ai_thinker.html
PLATFORM: Espressif 32 (6.9.0) > ESP32CAM AI Thinker
HARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash
DEBUG: Current (cmsis-dap) External (cmsis-dap, esp-bridge, esp-prog, iot-bus-jtag, jlink, minimodule, olimex-arm-usb-ocd, olimex-arm-usb-ocd-h, olimex-arm-usb-tiny-h, olimex-jtag-tiny,
tumpa)
PACKAGES:

• framework-arduinoespressif32 @ 3.20017.0 (2.0.17)
• tool-esptoolpy @ 1.40501.0 (4.5.1)
• tool-mkfatfs @ 2.0.1
• tool-mklittlefs @ 1.203.210628 (2.3)
• tool-mkspiffs @ 2.230.0 (2.30)
• toolchain-xtensa-esp32 @ 8.4.0+2021r2-patch5
  LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf
  LDF Modes: Finder ~ chain, Compatibility ~ soft
  Found 39 compatible libraries
  Scanning dependencies...
  Dependency Graph
  |-- IotWebConf @ 3.2.1
  |-- Micro-RTSP @ 0.1.6
  |-- micro-moustache @ 1.0.1
  |-- ESPmDNS @ 2.0.0
  |-- RTSPServer @ 1.0.0
  Building in release mode
  Retrieving maximum program size .pio\build\esp32cam_ai_thinker\firmware.elf
  Checking size .pio\build\esp32cam_ai_thinker\firmware.elf
  Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
  RAM: [=== ] 26.3% (used 86096 bytes from 327680 bytes)
  Flash: [===== ] 52.9% (used 1039477 bytes from 1966080 bytes)
  Configuring upload protocol...
  AVAILABLE: cmsis-dap, esp-bridge, esp-prog, espota, esptool, iot-bus-jtag, jlink, minimodule, olimex-arm-usb-ocd, olimex-arm-usb-ocd-h, olimex-arm-usb-tiny-h, olimex-jtag-tiny, tumpa
  CURRENT: upload_protocol = esptool
  Looking for upload port...
  Auto-detected: COM3
  Uploading .pio\build\esp32cam_ai_thinker\firmware.bin
  esptool.py v4.5.1
  Serial port COM3
  Connecting......................................

A fatal error occurred: Failed to connect to ESP32: No serial data received.
For troubleshooting steps visit: https://docs.espressif.com/projects/esptool/en/latest/troubleshooting.html
*** [upload] Error 2
=========================================================================================== [FAILED] Took 16.53 seconds ===========================================================================================

Environment Status Duration

---

esp32cam_ai_thinker FAILED 00:00:16.535
====================================================================================== 1 failed, 0 succeeded in 00:00:16.535 =====================================================================================