diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17a430e..f8f9f1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ set(KYLIN_WITH_NNG ON)
 # add_subdirectory(/mnt/e/Projects/Kylin Kylin)
 FetchContent_MakeAvailable(Kylin)
 
+add_subdirectory(Database)
 add_subdirectory(MediaServer)
 add_subdirectory(ToolKit)
 add_subdirectory(WebApplication)
diff --git a/Server/Database/CMakeLists.txt b/Database/CMakeLists.txt
similarity index 100%
rename from Server/Database/CMakeLists.txt
rename to Database/CMakeLists.txt
diff --git a/Server/Database/Database.cpp b/Database/Database.cpp
similarity index 100%
rename from Server/Database/Database.cpp
rename to Database/Database.cpp
diff --git a/Server/Database/Database.h b/Database/Database.h
similarity index 100%
rename from Server/Database/Database.h
rename to Database/Database.h
diff --git a/Server/Database/HomeBox.cpp b/Database/HomeBox.cpp
similarity index 100%
rename from Server/Database/HomeBox.cpp
rename to Database/HomeBox.cpp
diff --git a/Server/Database/HomeBox.h b/Database/HomeBox.h
similarity index 100%
rename from Server/Database/HomeBox.h
rename to Database/HomeBox.h
diff --git a/Server/Database/Task.cpp b/Database/Task.cpp
similarity index 100%
rename from Server/Database/Task.cpp
rename to Database/Task.cpp
diff --git a/Server/Database/Task.h b/Database/Task.h
similarity index 86%
rename from Server/Database/Task.h
rename to Database/Task.h
index 445173a..88d553c 100644
--- a/Server/Database/Task.h
+++ b/Database/Task.h
@@ -16,6 +16,10 @@ public:
     std::string content;
     std::string comment;
     Tasks children;
+
+    template <class Action>
+    void persist(Action &a) {
+    }
 };
 
 namespace boost {
diff --git a/Server/CMakeLists.txt b/Server/CMakeLists.txt
index 3f6a86b..8864366 100644
--- a/Server/CMakeLists.txt
+++ b/Server/CMakeLists.txt
@@ -1,7 +1,6 @@
 find_package(Boost COMPONENTS program_options json REQUIRED)
 
 add_subdirectory(ChatRoom)
-add_subdirectory(Database)
 add_subdirectory(WebRTC)
 
 add_executable(Server main.cpp