diff --git a/source/charset.cpp b/source/charset.cpp
index ffb82e72..4ea53570 100644
--- a/source/charset.cpp
+++ b/source/charset.cpp
@@ -1,7 +1,7 @@
 /**
  *	A Character Encoding Set Implementation
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/deploy.cpp b/source/deploy.cpp
index bdc6c829..a5050e77 100644
--- a/source/deploy.cpp
+++ b/source/deploy.cpp
@@ -1,7 +1,7 @@
 /*
  *	The Deploy Implementation
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/detail/platform_spec_posix.cpp b/source/detail/platform_spec_posix.cpp
index c6ee7abf..8baf1d8f 100644
--- a/source/detail/platform_spec_posix.cpp
+++ b/source/detail/platform_spec_posix.cpp
@@ -1,7 +1,7 @@
 /*
  *	Platform Specification Implementation
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Nana Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/detail/platform_spec_selector.hpp b/source/detail/platform_spec_selector.hpp
index 5c65a86f..865a50c4 100644
--- a/source/detail/platform_spec_selector.hpp
+++ b/source/detail/platform_spec_selector.hpp
@@ -1,7 +1,7 @@
 /**
  *	Selector of Platform Specification
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/filesystem/filesystem.cpp b/source/filesystem/filesystem.cpp
index 830187bb..5bac5a40 100644
--- a/source/filesystem/filesystem.cpp
+++ b/source/filesystem/filesystem.cpp
@@ -1,6 +1,6 @@
 /*
  *	A ISO C++ FileSystem Implementation
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/gui/detail/bedrock_pi.cpp b/source/gui/detail/bedrock_pi.cpp
index 90363acc..a69d5807 100644
--- a/source/gui/detail/bedrock_pi.cpp
+++ b/source/gui/detail/bedrock_pi.cpp
@@ -1,7 +1,7 @@
 /*
 *	A Bedrock Platform-Independent Implementation
 *	Nana C++ Library(http://www.nanapro.org)
-*	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
+*	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
 *
 *	Distributed under the Boost Software License, Version 1.0.
 *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/gui/notifier.cpp b/source/gui/notifier.cpp
index dc7c07f2..356d90f8 100644
--- a/source/gui/notifier.cpp
+++ b/source/gui/notifier.cpp
@@ -1,7 +1,7 @@
 /*
  *	Implementation of Notifier
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/gui/timer.cpp b/source/gui/timer.cpp
index 8e551220..b19a3b11 100644
--- a/source/gui/timer.cpp
+++ b/source/gui/timer.cpp
@@ -1,7 +1,7 @@
 /*
  *	A Timer Implementation
  *  Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2014 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/system/platform.cpp b/source/system/platform.cpp
index 56239cf6..21f1086b 100644
--- a/source/system/platform.cpp
+++ b/source/system/platform.cpp
@@ -1,6 +1,6 @@
 /*
  *	A platform API implementation
- *	Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/system/shared_wrapper.cpp b/source/system/shared_wrapper.cpp
index 3e93c2d6..941c56a7 100644
--- a/source/system/shared_wrapper.cpp
+++ b/source/system/shared_wrapper.cpp
@@ -1,6 +1,6 @@
 /*
  *	Operation System Shared Linkage Library Wrapper Implementation
- *	Copyright(C) 2003 Jinhao
+ *	Copyright(C) 2003-2018 Jinhao
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/threads/pool.cpp b/source/threads/pool.cpp
index d1f356b7..e83498b0 100644
--- a/source/threads/pool.cpp
+++ b/source/threads/pool.cpp
@@ -1,6 +1,6 @@
 /*
  *	A Thread Pool Implementation
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at