diff --git a/.gitignore b/.gitignore
index afe57c5..4e9c87a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-buid/
+build/
 bin/
\ No newline at end of file
diff --git a/Crafter.Thread-ThreadPool.cpp b/Crafter.Thread-ThreadPool.cpp
index d3fe9c4..1b410ec 100755
--- a/Crafter.Thread-ThreadPool.cpp
+++ b/Crafter.Thread-ThreadPool.cpp
@@ -1,3 +1,23 @@
+/*
+Crafter.Thread
+Copyright (C) 2025 Catcrafts
+Catcrafts.net
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 3.0 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+*/
+
 module;
 
 #include <thread>
diff --git a/project.json b/project.json
index 723eead..276e4e7 100644
--- a/project.json
+++ b/project.json
@@ -7,27 +7,25 @@
             "source_files": ["Crafter.Thread-ThreadPool"],
             "module_files": ["Crafter.Thread", "Crafter.Thread-ThreadPool"],
             "additional_files": [],
-            "build_dir": "./build",
-            "output_dir": "./bin"
+            "build_dir": "build",
+            "output_dir": "bin",
+            "type":"library"
         },
         {
-            "name": "test",
+            "name": "lib-debug",
+            "extends": ["base"],
+            "debug": true
+        },
+        {
+            "name": "lib-release",
+            "extends": ["base"],
+            "optimization_level": "3"
+        },
+        {
+            "name": "develop",
             "source_files": ["main"],
-            "extends": ["base"],
-            "optimization_level": "0",
+            "extends": ["lib-debug"],
             "type":"executable"
-        },
-        {
-            "name": "debug",
-            "extends": ["base"],
-            "optimization_level": "0",
-            "type":"library"
-        },
-        {
-            "name": "release",
-            "extends": ["base"],
-            "optimization_level": "3",
-            "type":"library"
         }
     ]
 }