diff --git a/platformio.ini b/platformio.ini
index 7701b04..db310cf 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1,7 +1,9 @@
 [env:wt32-sc01-plus]
 platform = espressif32
-board = freenove_esp32_s3_wroom
+board = um_tinys3
 framework = arduino
+board_build.mcu = esp32s3
+board_build.f_cpu = 240000000L
 monitor_speed = 115200
 board_build.partitions = default_8MB.csv
 board_build.filesystem = none
@@ -15,6 +17,7 @@ build_flags =
     -DARDUINO_RUNNING_CORE=1
     -DARDUINO_EVENT_RUNNING_CORE=1
     -DLV_CONF_PATH='"${PROJECT_DIR}/include/lv_conf.h"'
+    -mfix-esp32-psram-cache-issue
 
 lib_deps =
     lovyan03/LovyanGFX@^1.2.0