diff --git a/Power_Pico/User/GUI/screens/ui_PPSPage.c b/Power_Pico/User/GUI/screens/ui_PPSPage.c
index c692a54..fa75df4 100644
--- a/Power_Pico/User/GUI/screens/ui_PPSPage.c
+++ b/Power_Pico/User/GUI/screens/ui_PPSPage.c
@@ -91,7 +91,11 @@ static void _switch_pps_panel(void)
         current_btn_index = 8;
         // 设置当前对象红色边框
         lv_obj_set_style_border_width(btns[current_btn_index], 3, LV_PART_MAIN | LV_STATE_DEFAULT);
-        lv_label_set_text(ui_LabelSwitch, "press here to Fixed Set");
+        lv_label_set_text(ui_LabelSwitch, _("press here to Fixed Set"));
+        if(ui_get_language_select() == 0)
+            lv_obj_set_style_text_font(ui_LabelSwitch, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+        else
+            lv_obj_set_style_text_font(ui_LabelSwitch, &ui_font_zhongyuan20, LV_PART_MAIN | LV_STATE_DEFAULT);
         _set_label_val_cur();
     }
     else
@@ -103,7 +107,12 @@ static void _switch_pps_panel(void)
         current_btn_index = 0;
         // 设置当前对象红色边框
         lv_obj_set_style_border_width(btns[current_btn_index], 3, LV_PART_MAIN | LV_STATE_DEFAULT);
-        lv_label_set_text(ui_LabelSwitch, "press here to Variable");
+        lv_label_set_text(ui_LabelSwitch, _("press to Step Adjust"));
+        if(ui_get_language_select() == 0)
+            lv_obj_set_style_text_font(ui_LabelSwitch, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+        else
+            lv_obj_set_style_text_font(ui_LabelSwitch, &ui_font_zhongyuan20, LV_PART_MAIN | LV_STATE_DEFAULT);
+
     }
 }
 
@@ -572,8 +581,11 @@ void ui_PPSPage_screen_init(void)
     lv_obj_set_width(ui_LabelSwitch, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelSwitch, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelSwitch, LV_ALIGN_CENTER);
-    lv_label_set_text(ui_LabelSwitch, "press here to Variable");
-    lv_obj_set_style_text_font(ui_LabelSwitch, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelSwitch, _("press to Step Adjust"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelSwitch, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelSwitch, &ui_font_zhongyuan20, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_BtnClose = lv_button_create(ui_PPSPage);
     lv_obj_set_width(ui_BtnClose, 210);
@@ -593,8 +605,11 @@ void ui_PPSPage_screen_init(void)
     lv_obj_set_width(ui_LabelClose, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelClose, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelClose, LV_ALIGN_CENTER);
-    lv_label_set_text(ui_LabelClose, "press here to close PD");
-    lv_obj_set_style_text_font(ui_LabelClose, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelClose, _("press here to close PD"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelClose, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelClose, &ui_font_zhongyuan20, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_pps_timer = lv_timer_create(_flush_timer_cb, 500, NULL);
 
diff --git a/Power_Pico/User/GUI/screens/ui_SetPage.c b/Power_Pico/User/GUI/screens/ui_SetPage.c
index 9047fcb..4fb8c00 100644
--- a/Power_Pico/User/GUI/screens/ui_SetPage.c
+++ b/Power_Pico/User/GUI/screens/ui_SetPage.c
@@ -311,15 +311,18 @@ void ui_SetPage_screen_init(void)
     lv_obj_set_align(ui_SliderBL, LV_ALIGN_BOTTOM_MID);
 
     //Compensating for LVGL9.1 draw crash with bar/slider max value when top-padding is nonzero and right-padding is 0
-    if(lv_obj_get_style_pad_top(ui_SliderBL, LV_PART_MAIN) > 0) lv_obj_set_style_pad_right(ui_SliderBL,
-                                                                                               lv_obj_get_style_pad_right(ui_SliderBL, LV_PART_MAIN) + 1, LV_PART_MAIN);
+    if(lv_obj_get_style_pad_top(ui_SliderBL, LV_PART_MAIN) > 0) lv_obj_set_style_pad_right(ui_SliderBL, lv_obj_get_style_pad_right(ui_SliderBL, LV_PART_MAIN) + 1, LV_PART_MAIN);
     ui_LabelBL = lv_label_create(ui_PanelBL);
     lv_obj_set_width(ui_LabelBL, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelBL, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_x(ui_LabelBL, 0);
     lv_obj_set_y(ui_LabelBL, -5);
-    lv_label_set_text(ui_LabelBL, "Screen Brightness :");
-    lv_obj_set_style_text_font(ui_LabelBL, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelBL, _("Screen Brightness :"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelBL, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelBL, &ui_font_zhongyuan18, LV_PART_MAIN | LV_STATE_DEFAULT);
+
 
     ui_PanelKS = lv_obj_create(ui_SetPage);
     lv_obj_set_width(ui_PanelKS, 234);
@@ -342,8 +345,11 @@ void ui_SetPage_screen_init(void)
     lv_obj_set_width(ui_LabelKS, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelKS, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelKS, LV_ALIGN_LEFT_MID);
-    lv_label_set_text(ui_LabelKS, "Enable key sound");
-    lv_obj_set_style_text_font(ui_LabelKS, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelKS, _("Enable key sound"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelKS, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelKS, &ui_font_zhongyuan18, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_PanelLang = lv_obj_create(ui_SetPage);
     lv_obj_set_width(ui_PanelLang, 234);
@@ -365,8 +371,11 @@ void ui_SetPage_screen_init(void)
     lv_obj_set_width(ui_LabelLang, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelLang, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelLang, LV_ALIGN_LEFT_MID);
-    lv_label_set_text(ui_LabelLang, "Enable Chinese");
-    lv_obj_set_style_text_font(ui_LabelLang, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelLang, _("Enable Chinese"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelLang, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelLang, &ui_font_zhongyuan18, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_PanelRotate = lv_obj_create(ui_SetPage);
     lv_obj_set_width(ui_PanelRotate, 234);
@@ -383,8 +392,11 @@ void ui_SetPage_screen_init(void)
     lv_obj_set_width(ui_LabelRotation, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelRotation, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelRotation, LV_ALIGN_LEFT_MID);
-    lv_label_set_text(ui_LabelRotation, "Chose Rotation");
-    lv_obj_set_style_text_font(ui_LabelRotation, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelRotation, _("Chose Rotation"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelRotation, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelRotation, &ui_font_zhongyuan18, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_LabelRotNum = lv_label_create(ui_PanelRotate);
     lv_obj_set_width(ui_LabelRotNum, LV_SIZE_CONTENT);   /// 1
@@ -413,8 +425,11 @@ void ui_SetPage_screen_init(void)
     lv_obj_set_width(ui_LabelPPS, LV_SIZE_CONTENT);   /// 1
     lv_obj_set_height(ui_LabelPPS, LV_SIZE_CONTENT);    /// 1
     lv_obj_set_align(ui_LabelPPS, LV_ALIGN_LEFT_MID);
-    lv_label_set_text(ui_LabelPPS, "PD Setting");
-    lv_obj_set_style_text_font(ui_LabelPPS, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_label_set_text(ui_LabelPPS, _("PD Setting"));
+    if(ui_get_language_select() == 0)
+        lv_obj_set_style_text_font(ui_LabelPPS, &lv_font_montserrat_16, LV_PART_MAIN | LV_STATE_DEFAULT);
+    else
+        lv_obj_set_style_text_font(ui_LabelPPS, &ui_font_zhongyuan18, LV_PART_MAIN | LV_STATE_DEFAULT);
 
     ui_PanelAbout = lv_obj_create(ui_SetPage);
     lv_obj_set_width(ui_PanelAbout, 234);
diff --git a/Power_Pico/User/GUI/ui.c b/Power_Pico/User/GUI/ui.c
index 4795383..e00c281 100644
--- a/Power_Pico/User/GUI/ui.c
+++ b/Power_Pico/User/GUI/ui.c
@@ -90,7 +90,10 @@ void ui_init(void)
 
     // internationalization init
     lv_i18n_init(lv_i18n_language_pack); //lv_i18n 的语言初始化
-    lv_i18n_set_locale("en");  //lv_i18n 设置当前语言
+    if(ui_get_language_select() == 0)
+        lv_i18n_set_locale("en");      //lv_i18n 设置当前语言
+    else
+        lv_i18n_set_locale("zh-cn");  //lv_i18n 设置当前语言
 
     // main timer (you can add someting to do in the timer_cb if needed)
     lv_timer_t * ui_MainTimer = lv_timer_create(main_timer_cb, 1000,  NULL);