diff --git a/docs/product_documents/units/unit_esp32cam.md b/docs/product_documents/units/unit_esp32cam.md
index d3ad9099..f4979f03 100644
--- a/docs/product_documents/units/unit_esp32cam.md
+++ b/docs/product_documents/units/unit_esp32cam.md
@@ -48,4 +48,4 @@ The ESP32Cam equips the ESP32 with everything necessary to program, run and deve
 - [Example](https://github.com/m5stack/esp32-cam-demo)
 - [Datasheet](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) (ESP32)
 - [Datasheet](https://www.uctronics.com/download/cam_module/OV2640DS.pdf) (OV2640)
-- [HowToWork](../../quick_start/ESP32Cam/ESP32Cam_quick_start)
+- [HowToWork](../../quick_start/m5camera/m5camera_quick_start)