diff --git a/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/5M_imx335.ini b/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/5M_imx335.ini
index 04879759..75e2c908 100644
--- a/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/5M_imx335.ini
+++ b/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/5M_imx335.ini
@@ -39,7 +39,7 @@ Isp_x      =0
 Isp_y      =0
 Isp_W      =2592
 Isp_H      =1944
-Isp_FrameRate=30
+Isp_FrameRate=20
 Isp_Bayer  =0   ;BAYER_RGGB=0, BAYER_GRBG=1, BAYER_GBRG=2, BAYER_BGGR=3
 
 
diff --git a/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/WDR/5M_imx335.ini b/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/WDR/5M_imx335.ini
index ce9a46e1..952d6390 100644
--- a/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/WDR/5M_imx335.ini
+++ b/br-ext-chip-hisilicon/package/hisilicon-osdrv4/files/sensor/config/WDR/5M_imx335.ini
@@ -28,7 +28,7 @@ Isp_x      =0
 Isp_y      =0
 Isp_W      =2592
 Isp_H      =1944
-Isp_FrameRate=30
+Isp_FrameRate=20
 Isp_Bayer  =0   ;BAYER_RGGB=0, BAYER_GRBG=1, BAYER_GBRG=2, BAYER_BGGR=3