diff --git a/rv1108/BoardConfig-lock-evb-sl-v11.mk b/rv1108/BoardConfig-lock-evb-sl-v11.mk
index 0c92ac9..8e7787b 100644
--- a/rv1108/BoardConfig-lock-evb-sl-v11.mk
+++ b/rv1108/BoardConfig-lock-evb-sl-v11.mk
@@ -84,6 +84,9 @@ export RK_FACE_DETECTION_WIDTH=720
 export RK_FACE_DETECTION_HEIGHT=1280
 export RK_FACE_DETECTION_OFFSET_X=50
 export RK_FACE_DETECTION_OFFSET_Y=-20
+export RK_FACE_FOV_SCALE_FACTOR_X=1
+export RK_FACE_FOV_SCALE_FACTOR_Y=1
+
 # Set UVC source
 export RK_UVC_USE_SL_MODULE=y
 # Set first start application
diff --git a/rv1108/BoardConfig-lock-evb-v11.mk b/rv1108/BoardConfig-lock-evb-v11.mk
index 81d5974..0661943 100644
--- a/rv1108/BoardConfig-lock-evb-v11.mk
+++ b/rv1108/BoardConfig-lock-evb-v11.mk
@@ -80,10 +80,13 @@ export RK_JOBS=12
 # Set ui_resolution
 export RK_UI_RESOLUTION=360x640
 # Set face detection parameter
-export RK_FACE_DETECTION_WIDTH=720
-export RK_FACE_DETECTION_HEIGHT=1280
-export RK_FACE_DETECTION_OFFSET_X=-50
-export RK_FACE_DETECTION_OFFSET_Y=-50
+export RK_FACE_DETECTION_WIDTH=480
+export RK_FACE_DETECTION_HEIGHT=640
+export RK_FACE_DETECTION_OFFSET_X=-40
+export RK_FACE_DETECTION_OFFSET_Y=20
+export RK_FACE_FOV_SCALE_FACTOR_X=1
+export RK_FACE_FOV_SCALE_FACTOR_Y=1
+
 # Set UVC source
 export RK_UVC_USE_SL_MODULE=n
 # Set first start application
diff --git a/rv1108/BoardConfig-minievb-v10-cvr.mk b/rv1108/BoardConfig-minievb-v10-cvr.mk
index 3c68c7d..8676fd3 100644
--- a/rv1108/BoardConfig-minievb-v10-cvr.mk
+++ b/rv1108/BoardConfig-minievb-v10-cvr.mk
@@ -80,10 +80,13 @@ export RK_JOBS=12
 #Set ui_resolution
 export RK_UI_RESOLUTION=1280x720
 # Set face detection parameter
-export RK_FACE_DETECTION_WIDTH=720
-export RK_FACE_DETECTION_HEIGHT=1280
-export RK_FACE_DETECTION_OFFSET_X=-50
-export RK_FACE_DETECTION_OFFSET_Y=-50
+export RK_FACE_DETECTION_WIDTH=1280
+export RK_FACE_DETECTION_HEIGHT=720
+export RK_FACE_DETECTION_OFFSET_X=0
+export RK_FACE_DETECTION_OFFSET_Y=0
+export RK_FACE_FOV_SCALE_FACTOR_X=1
+export RK_FACE_FOV_SCALE_FACTOR_Y=1
+
 # Set UVC source
 export RK_UVC_USE_SL_MODULE=n
 # Set first start application
diff --git a/rv1108/BoardConfig-minievb-v10.mk b/rv1108/BoardConfig-minievb-v10.mk
index ab7bcd8..c9acc87 100644
--- a/rv1108/BoardConfig-minievb-v10.mk
+++ b/rv1108/BoardConfig-minievb-v10.mk
@@ -80,10 +80,13 @@ export RK_JOBS=12
 #Set ui_resolution
 export RK_UI_RESOLUTION=1280x720
 # Set face detection parameter
-export RK_FACE_DETECTION_WIDTH=720
-export RK_FACE_DETECTION_HEIGHT=1280
-export RK_FACE_DETECTION_OFFSET_X=-50
-export RK_FACE_DETECTION_OFFSET_Y=-50
+export RK_FACE_DETECTION_WIDTH=1280
+export RK_FACE_DETECTION_HEIGHT=720
+export RK_FACE_DETECTION_OFFSET_X=0
+export RK_FACE_DETECTION_OFFSET_Y=0
+export RK_FACE_FOV_SCALE_FACTOR_X=1
+export RK_FACE_FOV_SCALE_FACTOR_Y=1
+
 # Set UVC source
 export RK_UVC_USE_SL_MODULE=n
 # Set first start application