diff --git a/components/vbus/prio_queue.c b/components/vbus/prio_queue.c
index e0f57d1e05aeb1847be2f27cdd5533ac7e31fa71..b402e0376a5a70c99cc2e68f9f77e6a1310b4c38 100644
--- a/components/vbus/prio_queue.c
+++ b/components/vbus/prio_queue.c
@@ -1,7 +1,8 @@
 /*
  * Priority Queue
  *
- * COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2013-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *
diff --git a/components/vbus/prio_queue.h b/components/vbus/prio_queue.h
index 09bc3c7e63c9791021834f2e6244b1092072dda5..8a29cbb715013991d40f62a8c2dbf4b9b6038085 100644
--- a/components/vbus/prio_queue.h
+++ b/components/vbus/prio_queue.h
@@ -1,3 +1,32 @@
+/*
+ * Priority Queue
+ *
+ * COPYRIGHT (C) 2013-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
+ *
+ *  This file is part of RT-Thread (http://www.rt-thread.org)
+ *
+ *  All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-11-04     Grissiom     add comment
+ */
+
 #ifndef __PRIO_QUEUE_H__
 #define __PRIO_QUEUE_H__
 
diff --git a/components/vbus/rt_watermark_queue.c b/components/vbus/rt_watermark_queue.c
index 9c551fa52566fa6ccf1b7771b40f5dbba9e31b7b..329e9f331c1f8cb751d094030e6c3e5672b61711 100644
--- a/components/vbus/rt_watermark_queue.c
+++ b/components/vbus/rt_watermark_queue.c
@@ -1,7 +1,8 @@
 /*
  * Water Gauge
  *
- * COPYRIGHT (C) 2014, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2014-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *
diff --git a/components/vbus/rt_watermark_queue.h b/components/vbus/rt_watermark_queue.h
index c29c65bda01303439b86170b89fea9349f3e36e3..1fd51e07c259bc8f2e8f0a4d82ce63e1ad9fb0f0 100644
--- a/components/vbus/rt_watermark_queue.h
+++ b/components/vbus/rt_watermark_queue.h
@@ -1,7 +1,8 @@
 /*
  * Thread queue with water mark
  *
- * COPYRIGHT (C) 2014, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2014-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *
diff --git a/components/vbus/vbus.c b/components/vbus/vbus.c
index 4ce618ee864e947a44fcf109462a2f01bb083b56..7005e5251393bb1c4c93d6a9c7da7a7252a71bf3 100644
--- a/components/vbus/vbus.c
+++ b/components/vbus/vbus.c
@@ -1,7 +1,8 @@
 /*
  * VMM Bus
  *
- * COPYRIGHT (C) 2013-2014, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2013-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *
@@ -59,7 +60,7 @@ const static struct log_trace_session _lgs = {
 #define vbus_debug(fmt, ...)   log_session_lvl(&_lgs, LOG_TRACE_LEVEL_DEBUG,   fmt, ##__VA_ARGS__)
 #define vbus_verbose(fmt, ...) log_session_lvl(&_lgs, LOG_TRACE_LEVEL_VERBOSE, fmt, ##__VA_ARGS__)
 #define vbus_info(fmt, ...)    log_session_lvl(&_lgs, LOG_TRACE_LEVEL_INFO,    fmt, ##__VA_ARGS__)
-#define vbus_error(fmt, ...)    log_session_lvl(&_lgs, LOG_TRACE_LEVEL_ERROR,    fmt, ##__VA_ARGS__)
+#define vbus_error(fmt, ...)   log_session_lvl(&_lgs, LOG_TRACE_LEVEL_ERROR,    fmt, ##__VA_ARGS__)
 #else
 static struct log_trace_session _lgs = {
     .id  = {.name = "vbus"},
@@ -68,7 +69,7 @@ static struct log_trace_session _lgs = {
 #define vbus_debug(fmt, ...)   log_session(&_lgs, LOG_TRACE_DEBUG""fmt, ##__VA_ARGS__)
 #define vbus_verbose(fmt, ...) log_session(&_lgs, LOG_TRACE_VERBOSE""fmt, ##__VA_ARGS__)
 #define vbus_info(fmt, ...)    log_session(&_lgs, LOG_TRACE_INFO""fmt, ##__VA_ARGS__)
-#define vbus_error(fmt, ...)    log_session(&_lgs, LOG_TRACE_ERROR""fmt, ##__VA_ARGS__)
+#define vbus_error(fmt, ...)   log_session(&_lgs, LOG_TRACE_ERROR""fmt, ##__VA_ARGS__)
 #endif
 #endif // RT_USING_LOGTRACE
 
diff --git a/components/vbus/vbus.h b/components/vbus/vbus.h
index 83f0bb295e15333e99811e2192eae97b823a7511..2187773a4791818d3608b5c7a27b992ff9765d33 100644
--- a/components/vbus/vbus.h
+++ b/components/vbus/vbus.h
@@ -3,7 +3,8 @@
 /*
  * VBus
  *
- * COPYRIGHT (C) 2013-2014, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2013-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *
@@ -26,6 +27,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2014-06-09     Grissiom     version 2.0.2; add comment
+ * 2015-01-06     Grissiom     version 2.0.3; API change, no functional changes
  */
 
 #include "vbus_local_conf.h"
diff --git a/components/vbus/vbus_chnx.c b/components/vbus/vbus_chnx.c
index fab6b20c2d9d46b86b3deb50f6021971cfb5a449..bd54c9dbbd247e38d3f6e900433f9bcdc05f6740 100644
--- a/components/vbus/vbus_chnx.c
+++ b/components/vbus/vbus_chnx.c
@@ -1,7 +1,8 @@
 /*
  * Channel on VMM Bus
  *
- * COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
+ * COPYRIGHT (C) 2013-2015, Shanghai Real-Thread Technology Co., Ltd
+ *      http://www.rt-thread.com
  *
  *  This file is part of RT-Thread (http://www.rt-thread.org)
  *