diff --git a/src/W800_SDK_v1.00.10/lvgl/lvgl_port/lv_conf.h b/src/W800_SDK_v1.00.10/lvgl/lvgl_port/lv_conf.h
index 214d33a..103c9fb 100644
--- a/src/W800_SDK_v1.00.10/lvgl/lvgl_port/lv_conf.h
+++ b/src/W800_SDK_v1.00.10/lvgl/lvgl_port/lv_conf.h
@@ -49,7 +49,7 @@
 #define LV_MEM_CUSTOM 0
 #if LV_MEM_CUSTOM == 0
     /*Size of the memory available for `lv_mem_alloc()` in bytes (>= 2kB)*/
-    #define LV_MEM_SIZE (40 * 1024U)          /*[bytes]*/
+    #define LV_MEM_SIZE (30 * 1024U)          /*[bytes]*/
 
     /*Set an address for the memory pool instead of allocating it as a normal array. Can be in external SRAM too.*/
     #define LV_MEM_ADR 0     /*0: unused*/