diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index f593fee..2636466 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -312,7 +312,7 @@ CONFIG_TQ_SCREEN_SPI_CLK_GPIO=8
 CONFIG_TQ_SCREEN_SPI_CS_GPIO=15
 CONFIG_TQ_SCREEN_DC_GPIO=16
 CONFIG_TQ_SCREEN_BACKLIGHT_GPIO=7
-CONFIG_TQ_SCREEN_SPI_PIXEL_CLOCK_HZ=20000000
+CONFIG_TQ_SCREEN_SPI_PIXEL_CLOCK_HZ=40000000
 CONFIG_TQ_SLOT_SWITCH_GPIO=13
 CONFIG_TQ_SLOT_SWITCH_ACTIVE_LEVEL=0
 CONFIG_TQ_SLOT_SWITCH_PULLUP=y