diff --git a/code/src/app.rs b/code/src/app.rs
index 0dbf1d5..8d49f34 100644
--- a/code/src/app.rs
+++ b/code/src/app.rs
@@ -1,6 +1,9 @@
-use egui_dock::{DockArea, Style};
+use std::sync::Arc;
 
-use crate::database::DBOperator;
+use egui::mutex::RwLock;
+use egui_dock::{DockArea, Style};
+use sqlx::{Connection, MySqlConnection, MySqlPool};
+use crate::{database::DBOperator, models::{self, Position}};
 
 static TABS_CAN_BE_WINDOWS: bool = false;
 
@@ -20,7 +23,7 @@ struct Tab{
     title: String,
 }
 pub struct App{
-    tree: egui_dock::DockState<Tab>,
+    pub tree: egui_dock::DockState<Tab>,
 }
 
 impl Default for App{
@@ -54,19 +57,26 @@ impl eframe::App for App{
     fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame){
         DockArea::new(&mut self.tree)
             .style(Style::from_egui(ui.style().as_ref()))
-            .show_inside(ui, &mut MainTabViewer {
-                equipment: vec![
-                    crate::models::Equipment::default(),
-                    crate::models::Equipment::default(),
-                    crate::models::Equipment::default(),
-                    crate::models::Equipment::default(),
-                 ]
-            });
+            .show_inside(ui, &mut MainTabViewer::default());
     }
 }
 
 struct MainTabViewer {
+    positions: Arc<RwLock<Option<Vec<Position>>>>,
     equipment: std::vec::Vec<crate::models::Equipment>,
+    db_oper: DBOperator,
+}
+impl Default for MainTabViewer{
+    
+    fn default() -> Self {
+        let db_oper = DBOperator::new();
+        let rt = tokio::runtime::Runtime::new().unwrap();
+        Self{
+            positions: Arc::new(RwLock::new(Option::Some(rt.block_on(async{db_oper.get_position().await.unwrap()})))),
+            equipment: vec![models::Equipment::default()],
+            db_oper
+        }    
+    }
 }
 impl MainTabViewer{
     fn show_equipment(&mut self, ui: &mut egui::Ui){
@@ -108,13 +118,10 @@ impl MainTabViewer{
     fn show_worker(&mut self, ui: &mut egui::Ui){
         let rt = tokio::runtime::Runtime::new().unwrap();
         rt.block_on(async{
-            let dbd = DBOperator::new();
-        let positions = dbd.get_position().await.unwrap();
-        for eq in positions{
-            println!("{}",&eq.name);
+        for eq in self.positions.read().clone().unwrap().iter(){
             ui.push_id(&eq.name, |ui|{
                 egui::CollapsingHeader::new(&eq.name)
-                .default_open(false)
+                .default_open(false)    
                 .show(ui, |ui|{
                     ui.label(eq.wage.to_string());
                 })
@@ -163,4 +170,4 @@ impl egui_dock::TabViewer for MainTabViewer{
     fn is_closeable(&self, _tab: &Self::Tab) -> bool {
         false
     }
-}
\ No newline at end of file
+}
diff --git a/code/src/database.rs b/code/src/database.rs
index 414ecf0..ef6738b 100644
--- a/code/src/database.rs
+++ b/code/src/database.rs
@@ -1,7 +1,6 @@
-use sqlx::MySqlConnection;
 use sqlx::mysql::MySqlPoolOptions;
 use sqlx::mysql::MySqlPool;
-use sqlx::Connection;
+
 
 use dotenv::dotenv;
 // use crate::schema::equipment::dsl::*;
diff --git a/code/src/main.rs b/code/src/main.rs
index 9a2852d..58cb86c 100644
--- a/code/src/main.rs
+++ b/code/src/main.rs
@@ -1,11 +1,15 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
+use egui::mutex::RwLock;
+use sqlx::MySqlPool;
+
 use crate::database::DBOperator;
 mod app;
 mod models;
 mod database;
 // mod schema;
-fn main() -> eframe::Result{
+fn main()
+{
     database::estabilish_connection();
     let native_opts = eframe::NativeOptions {
         viewport: egui::ViewportBuilder::default()
@@ -14,6 +18,6 @@ fn main() -> eframe::Result{
             ..Default::default()
     };
 
-    eframe::run_native("BCS", native_opts, Box::new(|cc| Ok(Box::new(app::App::new(cc)))),)
+    eframe::run_native("BCS", native_opts, Box::new(|cc| Ok(Box::new(app::App::new(cc)))),);
  
     }