diff --git a/device/rockchip/rk3399/rk3399_all/system.prop b/device/rockchip/rk3399/rk3399_all/system.prop
index fb4a91a..4687f01 100755
--- a/device/rockchip/rk3399/rk3399_all/system.prop
+++ b/device/rockchip/rk3399/rk3399_all/system.prop
@@ -39,4 +39,4 @@ ro.product.usbfactory=rockchip_usb
wifi.supplicant_scan_interval=15
ro.factory.tool=0
#set default lcd density for rk3399 tablet
-ro.sf.lcd_density=280
+ro.sf.lcd_density=200
值越大,图标显示越大;值越小,图标显示越小。