修改为565jpg的存储

main/gui/ui_device_ctrl.c

@@ -281,7 +281,7 @@ void picture_ctrl_start(void)//heart help -> picture
     lv_obj_add_event_cb(btn_return, ui_dev_ctrl_page_return_click_cb, LV_EVENT_CLICKED, page);//return event
     //image display
     lv_obj_t *img = lv_img_create(page);
-    const char *file_name_with_path = "S:/spiffs/picture.png";
+    const char *file_name_with_path = "S:/spiffs/picture.jpg";
     if (NULL != file_name_with_path)
      {
 		lv_img_set_src(img, file_name_with_path);