diff --git a/src/services/work_service.rs b/src/services/work_service.rs
index ededd6e..672043f 100644
--- a/src/services/work_service.rs
+++ b/src/services/work_service.rs
@@ -1,7 +1,6 @@
 use crate::models::work_model::WorkModel;
 use crate::services::{serial_service::SerialService, sqlite_service::SqliteService, excel_service::ExcelService};
 
-
 pub struct WorkService {
     serial_service: SerialService,
     sqlite_service: SqliteService,
@@ -15,6 +14,34 @@ impl Default for WorkService {
 }
 
 impl WorkService {
+
+    fn init_excel_service(&mut self, path: String)->Result<bool, String>{
+        return if let Ok(excel_service) = ExcelService::new(&path) {
+            self.excel_service = excel_service;
+            Ok(true)
+        } else {
+            Err("Cant Init ExcelService".to_string())
+        }
+    }
+
+    fn init_sqlite_service(&mut self, db_path: String)->Result<bool, String>{
+        return if let Ok(sqlite_service) = SqliteService::new(db_path) {
+            self.sqlite_service = sqlite_service;
+            Ok(true)
+        } else {
+            Err("Cant Init SqliteService".to_string())
+        }
+    }
+
+    fn init_serial_service(&mut self, port_name: String)->Result<bool, String>{
+        return if let Ok(serial_service) = SerialService::new(&port_name) {
+            self.serial_service = *serial_service;
+            Ok(true)
+        } else {
+            Err("Cant Init SerialService".to_string())
+        }
+    }
+
     fn write_imei(&mut self, imei: String) -> Result<bool, String> {
         let write_imei_command = format!("AT+ECCGSN=\"IMEI\",\"{}\"", imei);
         return  self.serial_service.send_command_with_target(write_imei_command, None, "OK".to_string());