diff --git a/backend/devices/utils/config.ini b/backend/devices/utils/config.ini
index 5cf905ba..29a6fdba 100644
--- a/backend/devices/utils/config.ini
+++ b/backend/devices/utils/config.ini
@@ -15,7 +15,7 @@ backup_interval = 24
 max_backups = 7
 
 [CAMERA]
-device_index = 3
+device_index = 0
 width = 1280
 height = 720
 fps = 30
diff --git a/frontend/src/renderer/dist-electron/win-unpacked/resources/backend/Log/OrbbecSDK.log.txt b/frontend/src/renderer/dist-electron/win-unpacked/resources/backend/Log/OrbbecSDK.log.txt
new file mode 100644
index 00000000..56f41a96
--- /dev/null
+++ b/frontend/src/renderer/dist-electron/win-unpacked/resources/backend/Log/OrbbecSDK.log.txt
@@ -0,0 +1,40 @@
+[08/18 20:41:43.488456][debug][24904][Context.cpp:30] Context creating, work_dir=D:\Trae_space\BodyBalanceEvaluation\frontend\src\renderer\dist-electron\win-unpacked\resources\backend
+[08/18 20:41:43.488655][debug][24904][Context.cpp:49] Config file version=1.1
+[08/18 20:41:43.488739][debug][24904][FrameBufferManager.cpp:23] Max global frame buffer size updated! size=2048.000MB
+[08/18 20:41:43.488782][info][24904][Context.cpp:68] Context created with config: default config!
+[08/18 20:41:43.488823][info][24904][Context.cpp:73] Work directory=D:\Trae_space\BodyBalanceEvaluation\frontend\src\renderer\dist-electron\win-unpacked\resources\backend, SDK version=v1.10.11-20240724-aeaa107e5
+[08/18 20:41:43.489074][debug][24904][DeviceManager.cpp:30] DeviceManager init ...
+[08/18 20:41:43.489100][info][24904][MfPal.cpp:105] createObPal: create WinPal!
+[08/18 20:41:43.489124][debug][24904][MfPal.cpp:110] WmfPal init ...
+[08/18 20:41:43.520661][debug][24904][MfPal.cpp:117] WmfPal created!
+[08/18 20:41:43.520721][debug][24904][DeviceManager.cpp:34] Enable USB Device Enumerator ...
+[08/18 20:41:43.553521][debug][24904][EnumeratorLibusb.cpp:321] queryDevicesInfo done!
+[08/18 20:41:43.553940][debug][24904][MfPal.cpp:216] Create WinEventDeviceWatcher!
+[08/18 20:41:43.554220][debug][24904][UsbDeviceEnumerator.cpp:78] No matched usb device found!
+[08/18 20:41:43.554276][info][24904][DeviceManager.cpp:15] Current found device(s): (0)
+[08/18 20:41:43.554305][debug][24904][DeviceManager.cpp:52] DeviceManager construct done!
+[08/18 20:41:43.554347][debug][24904][Context.cpp:81] Context destroying ...
+[08/18 20:41:43.554360][debug][24904][DeviceManager.cpp:56] DeviceManager destroy ...
+[08/18 20:41:43.554371][debug][24904][DeviceManager.cpp:64] DeviceManager Destructors done
+[08/18 20:41:43.558317][debug][24904][MfPal.cpp:128] WmfPal destroyed!
+[08/18 20:41:43.558735][info][24904][Context.cpp:84] Context destroyed
+[08/18 20:43:03.299275][debug][29780][Context.cpp:30] Context creating, work_dir=D:\Trae_space\BodyBalanceEvaluation\frontend\src\renderer\dist-electron\win-unpacked\resources\backend
+[08/18 20:43:03.299338][debug][29780][Context.cpp:49] Config file version=1.1
+[08/18 20:43:03.299358][debug][29780][FrameBufferManager.cpp:23] Max global frame buffer size updated! size=2048.000MB
+[08/18 20:43:03.299375][info][29780][Context.cpp:68] Context created with config: default config!
+[08/18 20:43:03.299399][info][29780][Context.cpp:73] Work directory=D:\Trae_space\BodyBalanceEvaluation\frontend\src\renderer\dist-electron\win-unpacked\resources\backend, SDK version=v1.10.11-20240724-aeaa107e5
+[08/18 20:43:03.299416][debug][29780][DeviceManager.cpp:30] DeviceManager init ...
+[08/18 20:43:03.299428][info][29780][MfPal.cpp:105] createObPal: create WinPal!
+[08/18 20:43:03.299441][debug][29780][MfPal.cpp:110] WmfPal init ...
+[08/18 20:43:03.340690][debug][29780][MfPal.cpp:117] WmfPal created!
+[08/18 20:43:03.340727][debug][29780][DeviceManager.cpp:34] Enable USB Device Enumerator ...
+[08/18 20:43:03.367003][debug][29780][EnumeratorLibusb.cpp:321] queryDevicesInfo done!
+[08/18 20:43:03.367322][debug][29780][MfPal.cpp:216] Create WinEventDeviceWatcher!
+[08/18 20:43:03.367577][debug][29780][UsbDeviceEnumerator.cpp:78] No matched usb device found!
+[08/18 20:43:03.367605][info][29780][DeviceManager.cpp:15] Current found device(s): (0)
+[08/18 20:43:03.367629][debug][29780][DeviceManager.cpp:52] DeviceManager construct done!
+[08/18 20:43:03.367646][debug][29780][Context.cpp:81] Context destroying ...
+[08/18 20:43:03.367657][debug][29780][DeviceManager.cpp:56] DeviceManager destroy ...
+[08/18 20:43:03.367667][debug][29780][DeviceManager.cpp:64] DeviceManager Destructors done
+[08/18 20:43:03.369012][debug][29780][MfPal.cpp:128] WmfPal destroyed!
+[08/18 20:43:03.369386][info][29780][Context.cpp:84] Context destroyed