diff --git a/main/boards/esp-box-3/esp_box3_board.cc b/main/boards/esp-box-3/esp_box3_board.cc
index 0ce20dd2..0805bd31 100644
--- a/main/boards/esp-box-3/esp_box3_board.cc
+++ b/main/boards/esp-box-3/esp_box3_board.cc
@@ -16,11 +16,6 @@
 
 #define TAG "EspBox3Board"
 
-// Can move to display/st7789_display.h
-LV_FONT_DECLARE(font_puhui_14_1);
-LV_FONT_DECLARE(font_awesome_30_1);
-LV_FONT_DECLARE(font_awesome_14_1);
-
 // Init ili9341 by custom cmd
 static const ili9341_lcd_init_cmd_t vendor_specific_init[] = {
     {0xC8, (uint8_t []){0xFF, 0x93, 0x42}, 3, 0},
@@ -42,70 +37,11 @@ static const ili9341_lcd_init_cmd_t vendor_specific_init[] = {
     {0, (uint8_t []){0}, 0xff, 0},
 };
 
-// Example Display and UI overwrite in different board
-class Ili9341Display : public LcdDisplay {
-private:    
-    lv_obj_t *user_messge_label_ = nullptr;
-    lv_obj_t *ai_messge_label_ = nullptr;
-public:
-    Ili9341Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
-                         gpio_num_t backlight_pin, bool backlight_output_invert,
-                         int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
-        : LcdDisplay(panel_io, panel, backlight_pin, backlight_output_invert, width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy) {}
-
-    void SetChatMessage(const std::string &role, const std::string &content) override {
-        if (ai_messge_label_== nullptr || user_messge_label_== nullptr) {
-            return;
-        }
-
-        DisplayLockGuard lock(this);
-        ESP_LOGI(TAG, "role:%s", role.c_str());
-        if(role == "assistant") {
-            std::string new_content = "AI: " + content;
-            lv_label_set_text(ai_messge_label_, new_content.c_str());
-        } else if(role == "user") {
-            std::string new_content = "User: " + content;
-            lv_label_set_text(user_messge_label_, new_content.c_str());
-        } else{
-            lv_label_set_text(ai_messge_label_, "AI: ");
-            lv_label_set_text(user_messge_label_, "User: ");
-        }
-    }
-
-    void SetupUI() override {
-        DisplayLockGuard lock(this);
-
-        lv_obj_del(chat_message_label_);
-
-        lv_obj_set_flex_align(content_, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_SPACE_EVENLY); // 子对象居中对齐，等距分布
-
-        lv_obj_set_style_text_font(emotion_label_, &font_awesome_30_1, 0);
-        lv_label_set_text(emotion_label_, FONT_AWESOME_AI_CHIP);
-        lv_obj_align(emotion_label_, LV_ALIGN_TOP_MID, 0, -10); // 左侧居中，向右偏移10个单位
-
-        static lv_style_t style_msg;
-        lv_style_init(&style_msg);
-        lv_style_set_width(&style_msg, LV_HOR_RES - 25);
-
-        user_messge_label_ = lv_label_create(content_);
-        lv_obj_set_style_text_font(user_messge_label_, &font_puhui_14_1, 0);
-        lv_label_set_text(user_messge_label_, "User: ");
-        lv_obj_add_style(user_messge_label_, &style_msg, 0);
-        lv_obj_align(user_messge_label_, LV_ALIGN_TOP_LEFT, 2, 25);
-
-        ai_messge_label_ = lv_label_create(content_);
-        lv_obj_set_style_text_font(ai_messge_label_, &font_puhui_14_1, 0);
-        lv_label_set_text(ai_messge_label_, "AI: ");
-        lv_obj_add_style(ai_messge_label_, &style_msg, 0);
-        lv_obj_align(ai_messge_label_, LV_ALIGN_TOP_LEFT, 2, 77);
-    }
-};
-
 class EspBox3Board : public WifiBoard {
 private:
     i2c_master_bus_handle_t i2c_bus_;
     Button boot_button_;
-    Ili9341Display* display_;
+    LcdDisplay* display_;
 
     void InitializeI2c() {
         // Initialize I2C peripheral
@@ -178,13 +114,12 @@ private:
         
         esp_lcd_panel_reset(panel);
         esp_lcd_panel_init(panel);
-        esp_lcd_panel_invert_color(panel, true);
+        esp_lcd_panel_invert_color(panel, false);
         esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
         esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
         esp_lcd_panel_disp_on_off(panel, true);
-        display_ = new Ili9341Display(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
+        display_ = new LcdDisplay(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
-        display_->SetupUI();
     }
 
     // 物联网初始化，添加对 AI 可见设备