diff --git a/src/pilgrim/application.py b/src/pilgrim/application.py
index 8954411..abf7b68 100644
--- a/src/pilgrim/application.py
+++ b/src/pilgrim/application.py
@@ -7,7 +7,10 @@ from pilgrim.ui.ui import UIApp
 class Application:
     def __init__(self):
         self.database = Database()
-        self.ui = UIApp(ServiceManagerMock())
+        session = self.database.session()
+        session_manager = ServiceManager()
+        session_manager.set_session(session)
+        self.ui = UIApp(session_manager)
 
     def run(self):
         self.database.create()
diff --git a/src/pilgrim/service/entry_service.py b/src/pilgrim/service/entry_service.py
index f316f97..cc121af 100644
--- a/src/pilgrim/service/entry_service.py
+++ b/src/pilgrim/service/entry_service.py
@@ -1,5 +1,4 @@
 from typing import List
-
 from ..models.entry import Entry
 from ..models.travel_diary import TravelDiary
 
diff --git a/src/pilgrim/service/travel_diary_service.py b/src/pilgrim/service/travel_diary_service.py
index ce5293b..7a355ca 100644
--- a/src/pilgrim/service/travel_diary_service.py
+++ b/src/pilgrim/service/travel_diary_service.py
@@ -1,10 +1,10 @@
 from ..models.travel_diary import TravelDiary
-
+import asyncio
 
 class TravelDiaryService:
     def __init__(self,session):
         self.session = session
-    def create(self, name:str):
+    async def async_create(self, name:str):
         new_travel_diary = TravelDiary(name)
         self.session.add(new_travel_diary)
         self.session.commit()
@@ -18,14 +18,17 @@ class TravelDiaryService:
     def read_all(self):
         return self.session.query(TravelDiary).all()
 
-    def update(self, travel_diary_id: TravelDiary, travel_diary_dst: TravelDiary):
-        original = self.read_by_id(travel_diary_id.id)
+    def update(self, travel_diary_id: int, name: str):
+        original = self.read_by_id(travel_diary_id)
         if original is not None:
-            original.name = travel_diary_dst.name
+            original.name = name
             self.session.commit()
             self.session.refresh(original)
         return original
 
+    async def async_update(self, travel_diary_id: int, name: str):
+        return self.update(travel_diary_id, name)
+
     def delete(self, travel_diary_id: TravelDiary):
         excluded = self.read_by_id(travel_diary_id.id)
         if excluded is not None:
diff --git a/src/pilgrim/ui/screens/diary_list_screen.py b/src/pilgrim/ui/screens/diary_list_screen.py
index 8166ffa..066fbae 100644
--- a/src/pilgrim/ui/screens/diary_list_screen.py
+++ b/src/pilgrim/ui/screens/diary_list_screen.py
@@ -127,8 +127,8 @@ class DiaryListScreen(Screen):
             service_manager = self.app.service_manager
             travel_diary_service = service_manager.get_travel_diary_service()
 
-            # Uses async method
-            diaries = await travel_diary_service.async_read_all()
+            # Usa método síncrono agora
+            diaries = travel_diary_service.read_all()
 
             # Saves current state
             current_diary_id = None
diff --git a/src/pilgrim/ui/styles/pilgrim.css b/src/pilgrim/ui/styles/pilgrim.css
index fef0786..e170af2 100644
--- a/src/pilgrim/ui/styles/pilgrim.css
+++ b/src/pilgrim/ui/styles/pilgrim.css
@@ -387,4 +387,4 @@ Screen.-modal {
 .RenameEntryModal-cancel-button {
     margin: 0 1;
     width: 1fr;
-} 
\ No newline at end of file
+}
\ No newline at end of file