diff --git a/src/landppt/database/__init__.py b/src/landppt/database/__init__.py
new file mode 100644
index 0000000..a6a9abe
--- /dev/null
+++ b/src/landppt/database/__init__.py
@@ -0,0 +1,36 @@
+"""
+Database package for LandPPT
+"""
+
+from .database import engine, SessionLocal, get_db, init_db, get_async_db
+from .models import Project, TodoBoard, TodoStage, ProjectVersion, SlideData, PPTTemplate
+from .migrations import migration_manager
+from .health_check import health_checker
+from .service import DatabaseService
+from .repositories import (
+    ProjectRepository, TodoBoardRepository, TodoStageRepository,
+    ProjectVersionRepository, SlideDataRepository, PPTTemplateRepository
+)
+
+__all__ = [
+    'engine',
+    'SessionLocal',
+    'get_db',
+    'get_async_db',
+    'init_db',
+    'Project',
+    'TodoBoard',
+    'TodoStage',
+    'ProjectVersion',
+    'SlideData',
+    'PPTTemplate',
+    'migration_manager',
+    'health_checker',
+    'DatabaseService',
+    'ProjectRepository',
+    'TodoBoardRepository',
+    'TodoStageRepository',
+    'ProjectVersionRepository',
+    'SlideDataRepository',
+    'PPTTemplateRepository'
+]