diff --git a/src/core/main.c b/src/core/main.c
index c32c522d..bfc90f67 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -22,6 +22,7 @@
 #include "core/settings.h"
 #include "core/sleep_mode.h"
 #include "core/thread.h"
+#include "core/wallpaper.h"
 #include "driver/TP2825.h"
 #include "driver/beep.h"
 #include "driver/dm5680.h"
@@ -136,7 +137,8 @@ void lvgl_init() {
     lv_disp_set_theme(dispp, theme);
     lv_obj_set_style_bg_color(lv_scr_act(), lv_color_make(64, 64, 64), 0);
 
-    if (load_wallpaper(WALLPAPER_PATH)) {
+    load_wallpaper(WALLPAPER_PATH);
+    if (wallpaper_is_used()) {
         lv_obj_t *img_obj = lv_img_create(lv_scr_act());
         lv_img_set_src(img_obj, &img_menu_bg);
     }
diff --git a/src/core/osd.c b/src/core/osd.c
index 665ac275..85719e3e 100644
--- a/src/core/osd.c
+++ b/src/core/osd.c
@@ -992,83 +992,6 @@ void osd_shadow_clear(void) {
     }
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// load_bmp_file
-int load_bmp_image(const char *file, uint32_t *obuf, int width, int height) {
-    char *buf;
-    struct stat stFile;
-    FILE *fd;
-    int size, rd;
-    int line_size;
-
-    fd = fopen(file, "rb");
-    if (fd == NULL) {
-        LOGE("%s cannot open", file);
-        return 0;
-    }
-
-    // get file size
-    fseek(fd, 0, SEEK_END);
-    size = ftell(fd);
-    fseek(fd, 0, SEEK_SET);
-
-    buf = (unsigned char *)malloc(size);
-    if (buf == NULL) {
-        LOGE("%s error 1", file);
-        return 0;
-    }
-
-    rd = fread(buf, 1, size, fd);
-    if (rd != size) {
-        LOGE("%s error 2", file);
-        free(buf);
-        return 0;
-    }
-
-    fclose(fd);
-
-    // check image size
-    bmpFileHead *bmp = (bmpFileHead *)buf;
-    char *pb = buf + sizeof(bmpFileHead) + bmp->info.biClrUsed;
-    if (bmp->info.biWidth != width || bmp->info.biHeight != height) {
-        LOGE("%s error 3", file);
-        free(buf);
-        return 0;
-    }
-
-    line_size = (width * 3 + 3) & 0xFFFC; // 4bytes align
-
-    int x, y;
-    uint32_t addr;
-
-    for (y = 0; y < height; y++) {
-        addr = y * line_size;
-        for (x = 0; x < width; x++)
-            obuf[(height - y - 1) * width + x] = (0xff << 24) + ((pb[addr + x * 3] & 0xff)) + ((pb[addr + x * 3 + 1] & 0xff) << 8) + ((pb[addr + x * 3 + 2] & 0xff) << 16);
-    }
-
-    free(buf);
-    return 1;
-}
-
-static uint32_t img_menu_bg_data[1920 * 1080]; // 0x00BBGGRR
-lv_img_dsc_t img_menu_bg;
-uint8_t wallpaper_is_used = 0;
-int load_wallpaper(char *file_path) {
-    if (load_bmp_image(file_path, img_menu_bg_data, 1920, 1080)) {
-        img_menu_bg.header.cf = LV_IMG_CF_TRUE_COLOR;
-        img_menu_bg.header.always_zero = 0;
-        img_menu_bg.header.reserved = 0;
-        img_menu_bg.header.w = 1920;
-        img_menu_bg.header.h = 1080;
-        img_menu_bg.data_size = 1920 * 1080 * LV_COLOR_SIZE / 8;
-        img_menu_bg.data = (uint8_t *)img_menu_bg_data;
-        wallpaper_is_used = 1;
-        return 1;
-    } else {
-        return 0;
-    }
-}
 ///////////////////////////////////////////////////////////////////////////////
 // Threads for updating FC OSD
 
diff --git a/src/core/osd.h b/src/core/osd.h
index 252afc92..cdf27fa0 100644
--- a/src/core/osd.h
+++ b/src/core/osd.h
@@ -93,8 +93,6 @@ typedef struct {
 } osd_font_t;
 
 extern uint8_t channel_osd_mode;
-extern lv_img_dsc_t img_menu_bg;
-extern uint8_t wallpaper_is_used;
 
 int osd_init(void);
 int osd_clear(void);
@@ -109,7 +107,6 @@ void load_fc_osd_font(uint8_t);
 void *thread_osd(void *ptr);
 void osd_resource_path(char *buf, const char *fmt, osd_resource_t osd_resource_type, ...);
 void osd_toggle();
-int load_wallpaper(char *file_path);
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/core/wallpaper.c b/src/core/wallpaper.c
new file mode 100644
index 00000000..00befbd8
--- /dev/null
+++ b/src/core/wallpaper.c
@@ -0,0 +1,90 @@
+
+#include <log/log.h>
+#include <lvgl/lvgl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "core/common.hh"
+#include "osd.h"
+#include "wallpaper.h"
+
+static uint32_t img_menu_bg_data[1920 * 1080]; // 0x00BBGGRR
+lv_img_dsc_t img_menu_bg;
+static uint8_t wallpaper_state = 0;
+
+int load_bmp_image(const char *file, uint32_t *obuf, int width, int height) {
+    char *buf;
+    struct stat stFile;
+    FILE *fd;
+    int size, rd;
+    int line_size;
+
+    fd = fopen(file, "rb");
+    if (fd == NULL) {
+        LOGE("%s cannot open", file);
+        return 0;
+    }
+
+    // get file size
+    fseek(fd, 0, SEEK_END);
+    size = ftell(fd);
+    fseek(fd, 0, SEEK_SET);
+
+    buf = (unsigned char *)malloc(size);
+    if (buf == NULL) {
+        LOGE("%s error 1", file);
+        return 0;
+    }
+
+    rd = fread(buf, 1, size, fd);
+    if (rd != size) {
+        LOGE("%s error 2", file);
+        free(buf);
+        return 0;
+    }
+
+    fclose(fd);
+
+    // check image size
+    bmpFileHead *bmp = (bmpFileHead *)buf;
+    char *pb = buf + sizeof(bmpFileHead) + bmp->info.biClrUsed;
+    if (bmp->info.biWidth != width || bmp->info.biHeight != height) {
+        LOGE("%s error 3", file);
+        free(buf);
+        return 0;
+    }
+
+    line_size = (width * 3 + 3) & 0xFFFC; // 4bytes align
+
+    int x, y;
+    uint32_t addr;
+
+    for (y = 0; y < height; y++) {
+        addr = y * line_size;
+        for (x = 0; x < width; x++)
+            obuf[(height - y - 1) * width + x] = (0xff << 24) + ((pb[addr + x * 3] & 0xff)) + ((pb[addr + x * 3 + 1] & 0xff) << 8) + ((pb[addr + x * 3 + 2] & 0xff) << 16);
+    }
+
+    free(buf);
+    return 1;
+}
+
+void load_wallpaper(char *file_path) {
+    if (load_bmp_image(file_path, img_menu_bg_data, 1920, 1080)) {
+        img_menu_bg.header.cf = LV_IMG_CF_TRUE_COLOR;
+        img_menu_bg.header.always_zero = 0;
+        img_menu_bg.header.reserved = 0;
+        img_menu_bg.header.w = 1920;
+        img_menu_bg.header.h = 1080;
+        img_menu_bg.data_size = 1920 * 1080 * LV_COLOR_SIZE / 8;
+        img_menu_bg.data = (uint8_t *)img_menu_bg_data;
+        wallpaper_state = 1;
+    }
+}
+
+uint8_t wallpaper_is_used() {
+    return wallpaper_state;
+}
\ No newline at end of file
diff --git a/src/core/wallpaper.h b/src/core/wallpaper.h
new file mode 100644
index 00000000..e5249ea6
--- /dev/null
+++ b/src/core/wallpaper.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void load_wallpaper(char *file_path);
+uint8_t wallpaper_is_used();
+
+extern lv_img_dsc_t img_menu_bg;
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/ui/page_autoscan.c b/src/ui/page_autoscan.c
index 6e4c7f07..dc8d3efd 100644
--- a/src/ui/page_autoscan.c
+++ b/src/ui/page_autoscan.c
@@ -2,8 +2,8 @@
 
 #include <minIni.h>
 
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "ui/ui_style.h"
 
 static lv_coord_t col_dsc[] = {160, 150, 180, 220, 180, 160, LV_GRID_TEMPLATE_LAST};
@@ -22,7 +22,7 @@ static lv_obj_t *page_autoscan_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Auto Scan:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -33,7 +33,7 @@ static lv_obj_t *page_autoscan_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_clock.c b/src/ui/page_clock.c
index f6fae17c..83477ebc 100644
--- a/src/ui/page_clock.c
+++ b/src/ui/page_clock.c
@@ -8,8 +8,8 @@
 #include <minIni.h>
 
 #include "core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/rtc.h"
 #include "ui/page_common.h"
 #include "ui/ui_attribute.h"
@@ -354,7 +354,7 @@ static lv_obj_t *page_clock_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Clock:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -365,7 +365,7 @@ static lv_obj_t *page_clock_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_elrs.c b/src/ui/page_elrs.c
index 037baf22..47956b8d 100644
--- a/src/ui/page_elrs.c
+++ b/src/ui/page_elrs.c
@@ -16,8 +16,8 @@
 
 #include "core/common.hh"
 #include "core/elrs.h"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/esp32.h"
 #include "page_version.h"
 #include "ui/ui_style.h"
@@ -80,7 +80,7 @@ static lv_obj_t *page_elrs_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "ELRS:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -91,7 +91,7 @@ static lv_obj_t *page_elrs_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_fans.c b/src/ui/page_fans.c
index 8674f20d..88a2e805 100644
--- a/src/ui/page_fans.c
+++ b/src/ui/page_fans.c
@@ -7,8 +7,8 @@
 
 #include "core/app_state.h"
 #include "core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/fans.h"
 #include "driver/nct75.h"
 #include "ui/page_common.h"
@@ -51,7 +51,7 @@ static lv_obj_t *page_fans_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Fans:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -62,7 +62,7 @@ static lv_obj_t *page_fans_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_focus_chart.c b/src/ui/page_focus_chart.c
index 39ed8e90..a7cfa755 100644
--- a/src/ui/page_focus_chart.c
+++ b/src/ui/page_focus_chart.c
@@ -4,6 +4,7 @@
 
 #include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "ui/ui_porting.h"
 
 static lv_obj_t *focus_chart_img;
@@ -18,7 +19,7 @@ lv_obj_t *page_focus_chart_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Focus Chart:", LV_MENU_ITEM_BUILDER_VARIANT_2);
diff --git a/src/ui/page_headtracker.c b/src/ui/page_headtracker.c
index 8f731c80..b3cc92c6 100644
--- a/src/ui/page_headtracker.c
+++ b/src/ui/page_headtracker.c
@@ -5,8 +5,8 @@
 
 #include "common.hh"
 #include "core/app_state.h"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "ht.h"
 #include "page_common.h"
 #include "ui/ui_style.h"
@@ -141,7 +141,7 @@ static lv_obj_t *page_headtracker_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Head Tracker:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -152,7 +152,7 @@ static lv_obj_t *page_headtracker_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_imagesettings.c b/src/ui/page_imagesettings.c
index c69e1ba2..413c48fb 100644
--- a/src/ui/page_imagesettings.c
+++ b/src/ui/page_imagesettings.c
@@ -5,8 +5,8 @@
 
 #include "core/app_state.h"
 #include "core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/hardware.h"
 #include "driver/oled.h"
 #include "ui/page_common.h"
@@ -36,7 +36,7 @@ static lv_obj_t *page_imagesettings_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Image Setting:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -47,7 +47,7 @@ static lv_obj_t *page_imagesettings_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_input.c b/src/ui/page_input.c
index d2421fe4..0c7ccff9 100644
--- a/src/ui/page_input.c
+++ b/src/ui/page_input.c
@@ -9,6 +9,7 @@
 #include "core/input_device.h"
 #include "core/osd.h"
 #include "core/sleep_mode.h"
+#include "core/wallpaper.h"
 
 #include "ui/page_fans.h"
 #include "ui/ui_image_setting.h"
@@ -168,7 +169,7 @@ static lv_obj_t *page_input_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, contentWidth + 93, contentHeight + 294);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Inputs:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -179,7 +180,7 @@ static lv_obj_t *page_input_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(content, LV_LAYOUT_GRID);
     lv_obj_clear_flag(content, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(content, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(content, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(content, col_dsc, 0);
diff --git a/src/ui/page_osd.c b/src/ui/page_osd.c
index a64b14e9..0807dcba 100644
--- a/src/ui/page_osd.c
+++ b/src/ui/page_osd.c
@@ -9,6 +9,7 @@
 #include "core/common.hh"
 #include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/hardware.h"
 #include "page_common.h"
 #include "ui/ui_osd_element_pos.h"
@@ -44,7 +45,7 @@ static lv_obj_t *page_osd_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "OSD:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -55,7 +56,7 @@ static lv_obj_t *page_osd_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_playback.c b/src/ui/page_playback.c
index 016fb93b..a0dfc37f 100644
--- a/src/ui/page_playback.c
+++ b/src/ui/page_playback.c
@@ -14,6 +14,7 @@
 #include "common.hh"
 #include "core/app_state.h"
 #include "core/osd.h"
+#include "core/wallpaper.h"
 #include "record/record_definitions.h"
 #include "ui/page_common.h"
 #include "ui/ui_player.h"
@@ -42,7 +43,7 @@ static lv_obj_t *page_playback_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1142, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Playback:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -51,7 +52,7 @@ static lv_obj_t *page_playback_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_size(cont, 1164, 760);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     for (uint32_t pos = 0; pos < ITEMS_LAYOUT_CNT; pos++) {
diff --git a/src/ui/page_power.c b/src/ui/page_power.c
index 3aa9a227..4d1c1883 100644
--- a/src/ui/page_power.c
+++ b/src/ui/page_power.c
@@ -8,8 +8,8 @@
 #include "core/app_state.h"
 #include "core/battery.h"
 #include "core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/dm5680.h"
 #include "driver/hardware.h"
 #include "driver/mcp3021.h"
@@ -98,7 +98,7 @@ static lv_obj_t *page_power_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1063, 984);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Power:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -109,7 +109,7 @@ static lv_obj_t *page_power_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_record.c b/src/ui/page_record.c
index 0f5964f4..90e46c4b 100644
--- a/src/ui/page_record.c
+++ b/src/ui/page_record.c
@@ -5,8 +5,8 @@
 #include <minIni.h>
 
 #include "../core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/rtc.h"
 #include "page_common.h"
 #include "ui/ui_style.h"
@@ -49,7 +49,7 @@ static lv_obj_t *page_record_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Record Option:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -60,7 +60,7 @@ static lv_obj_t *page_record_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_sleep.c b/src/ui/page_sleep.c
index 69210a3c..f72f5dc9 100644
--- a/src/ui/page_sleep.c
+++ b/src/ui/page_sleep.c
@@ -1,6 +1,6 @@
 #include "page_sleep.h"
 
-#include "core/osd.h"
+#include "core/wallpaper.h"
 #include "driver/fans.h"
 #include "page_fans.h"
 #include "sleep_mode.h"
@@ -17,7 +17,7 @@ lv_obj_t *page_sleep_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Go Sleep:", LV_MENU_ITEM_BUILDER_VARIANT_2);
diff --git a/src/ui/page_source.c b/src/ui/page_source.c
index 7a29e877..bb1d29e7 100644
--- a/src/ui/page_source.c
+++ b/src/ui/page_source.c
@@ -11,6 +11,7 @@
 #include "core/dvr.h"
 #include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/hardware.h"
 #include "driver/it66121.h"
 #include "driver/oled.h"
@@ -39,7 +40,7 @@ static lv_obj_t *page_source_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Source:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -50,7 +51,7 @@ static lv_obj_t *page_source_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_storage.c b/src/ui/page_storage.c
index 49166bde..8c0ad141 100644
--- a/src/ui/page_storage.c
+++ b/src/ui/page_storage.c
@@ -7,8 +7,8 @@
 #include <minIni.h>
 
 #include "core/common.hh"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "ui/page_playback.h"
 #include "util/filesystem.h"
 #include "util/sdcard.h"
@@ -361,7 +361,7 @@ static lv_obj_t *page_storage_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Storage:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -372,7 +372,7 @@ static lv_obj_t *page_storage_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_version.c b/src/ui/page_version.c
index 1bc1e229..0350a357 100644
--- a/src/ui/page_version.c
+++ b/src/ui/page_version.c
@@ -14,6 +14,7 @@
 #include "core/esp32_flash.h"
 #include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/beep.h"
 #include "driver/dm5680.h"
 #include "driver/esp32.h"
@@ -766,7 +767,7 @@ static lv_obj_t *page_version_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "Firmware:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -777,7 +778,7 @@ static lv_obj_t *page_version_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/page_wifi.c b/src/ui/page_wifi.c
index 9bd24fea..c1ff476f 100644
--- a/src/ui/page_wifi.c
+++ b/src/ui/page_wifi.c
@@ -14,8 +14,8 @@
 #include "core/app_state.h"
 #include "core/common.hh"
 #include "core/dvr.h"
-#include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "ui/page_common.h"
 #include "ui/ui_attribute.h"
 #include "ui/ui_keyboard.h"
@@ -707,7 +707,7 @@ static lv_obj_t *page_wifi_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_t *section = lv_menu_section_create(page);
     lv_obj_add_style(section, &style_submenu, LV_PART_MAIN);
     lv_obj_set_size(section, 1053, 894);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_TRANSP, 0);
 
     create_text(NULL, section, false, "WiFi Module:", LV_MENU_ITEM_BUILDER_VARIANT_2);
@@ -718,7 +718,7 @@ static lv_obj_t *page_wifi_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_layout(cont, LV_LAYOUT_GRID);
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
     lv_obj_add_style(cont, &style_context, LV_PART_MAIN);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
 
     lv_obj_set_style_grid_column_dsc_array(cont, col_dsc, 0);
diff --git a/src/ui/ui_main_menu.c b/src/ui/ui_main_menu.c
index a638bfee..bab5dccb 100644
--- a/src/ui/ui_main_menu.c
+++ b/src/ui/ui_main_menu.c
@@ -7,7 +7,7 @@
 
 #include "common.hh"
 #include "core/app_state.h"
-#include "core/osd.h"
+#include "core/wallpaper.h"
 #include "driver/hardware.h"
 #include "driver/mcp3021.h"
 #include "driver/oled.h"
@@ -292,7 +292,7 @@ void main_menu_init(void) {
     lv_obj_clear_flag(menu, LV_OBJ_FLAG_SCROLLABLE);
 
     lv_obj_set_style_bg_color(menu, lv_color_make(32, 32, 32), 0);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(menu, LV_OPA_50, 0);
     lv_obj_set_style_border_width(menu, 2, 0);
     lv_obj_set_style_border_color(menu, lv_color_make(255, 0, 0), 0);
@@ -312,7 +312,7 @@ void main_menu_init(void) {
     lv_obj_add_style(section, &style_rootmenu, LV_PART_MAIN);
     lv_obj_set_size(section, 250, 975);
     lv_obj_set_pos(section, 0, 0);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(section, LV_OPA_50, 0);
 
     lv_obj_set_size(root_page, 250, 975);
diff --git a/src/ui/ui_statusbar.c b/src/ui/ui_statusbar.c
index 159baa46..e22e3367 100644
--- a/src/ui/ui_statusbar.c
+++ b/src/ui/ui_statusbar.c
@@ -8,6 +8,7 @@
 #include "core/common.hh"
 #include "core/osd.h"
 #include "core/settings.h"
+#include "core/wallpaper.h"
 #include "driver/beep.h"
 #include "ui/page_common.h"
 #include "ui/page_playback.h"
@@ -53,7 +54,7 @@ int statusbar_init(void) {
     lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
 
     lv_obj_set_style_bg_color(cont, lv_color_make(19, 19, 19), 0);
-    if (wallpaper_is_used)
+    if (wallpaper_is_used())
         lv_obj_set_style_bg_opa(cont, LV_OPA_50, 0);
     lv_obj_set_style_border_width(cont, 0, 0);
     lv_obj_set_style_radius(cont, 0, 0);