diff --git a/LICENSE b/LICENSE
index 1c71de958..8c86ec99d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,5 @@
 Main code of F-Stack is BSD 2-Clause licensed.
-Copyright (C) 2019 THL A29 Limited, a Tencent company.
+Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
 All rights reserved.
 
 Other Dependencies:
diff --git a/app/nginx-1.16.1/src/event/modules/ngx_ff_host_event_module.c b/app/nginx-1.16.1/src/event/modules/ngx_ff_host_event_module.c
index 5a8527565..acdff7ae6 100644
--- a/app/nginx-1.16.1/src/event/modules/ngx_ff_host_event_module.c
+++ b/app/nginx-1.16.1/src/event/modules/ngx_ff_host_event_module.c
@@ -1,5 +1,5 @@
  /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/app/nginx-1.16.1/src/event/modules/ngx_ff_module.c b/app/nginx-1.16.1/src/event/modules/ngx_ff_module.c
index 9fdb7200e..c74afff68 100644
--- a/app/nginx-1.16.1/src/event/modules/ngx_ff_module.c
+++ b/app/nginx-1.16.1/src/event/modules/ngx_ff_module.c
@@ -33,7 +33,7 @@
  */
 
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/app/redis-5.0.5/src/anet_ff.c b/app/redis-5.0.5/src/anet_ff.c
index 9321760fe..b9e5172a1 100644
--- a/app/redis-5.0.5/src/anet_ff.c
+++ b/app/redis-5.0.5/src/anet_ff.c
@@ -33,7 +33,7 @@
  */
 
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/Makefile b/lib/Makefile
index 5d8d82481..3b190fb97 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,6 +1,6 @@
 # 
 # Copyright (c) 2013 Patrick Kelsey. All rights reserved.
-# Copyright (C) 2017 THL A29 Limited, a Tencent company.
+# Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
 # All rights reserved.
 #
 # Derived in part from libuinet's Makefile.
diff --git a/lib/ff_api.h b/lib/ff_api.h
index 4a9f7ba3d..2d35934f8 100644
--- a/lib/ff_api.h
+++ b/lib/ff_api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_compat.c b/lib/ff_compat.c
index 3bf3889b8..6ef6720a6 100644
--- a/lib/ff_compat.c
+++ b/lib/ff_compat.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_config.c b/lib/ff_config.c
index 049a6b33b..e8d8301be 100644
--- a/lib/ff_config.c
+++ b/lib/ff_config.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_config.h b/lib/ff_config.h
index 16990a9a1..10bc2bcdc 100644
--- a/lib/ff_config.h
+++ b/lib/ff_config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_if.c b/lib/ff_dpdk_if.c
index 3152d761e..241110c9b 100644
--- a/lib/ff_dpdk_if.c
+++ b/lib/ff_dpdk_if.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_if.h b/lib/ff_dpdk_if.h
index 59c7994e4..d930b8dde 100644
--- a/lib/ff_dpdk_if.h
+++ b/lib/ff_dpdk_if.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_kni.c b/lib/ff_dpdk_kni.c
index cd658ec92..73f8f1f18 100644
--- a/lib/ff_dpdk_kni.c
+++ b/lib/ff_dpdk_kni.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_kni.h b/lib/ff_dpdk_kni.h
index 2ddf7a0de..c39d3dcff 100644
--- a/lib/ff_dpdk_kni.h
+++ b/lib/ff_dpdk_kni.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_pcap.c b/lib/ff_dpdk_pcap.c
index c3f0ac10b..59b90ff40 100644
--- a/lib/ff_dpdk_pcap.c
+++ b/lib/ff_dpdk_pcap.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_dpdk_pcap.h b/lib/ff_dpdk_pcap.h
index ee3f9bb7d..42399f682 100644
--- a/lib/ff_dpdk_pcap.h
+++ b/lib/ff_dpdk_pcap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_errno.h b/lib/ff_errno.h
index cd3201859..3130dad46 100644
--- a/lib/ff_errno.h
+++ b/lib/ff_errno.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_event.h b/lib/ff_event.h
index 802ceb38d..dac544a66 100644
--- a/lib/ff_event.h
+++ b/lib/ff_event.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_freebsd_init.c b/lib/ff_freebsd_init.c
index 711fc3e3a..ee3160389 100644
--- a/lib/ff_freebsd_init.c
+++ b/lib/ff_freebsd_init.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_glue.c b/lib/ff_glue.c
index 471d1480b..d5f012d54 100644
--- a/lib/ff_glue.c
+++ b/lib/ff_glue.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_host_interface.c b/lib/ff_host_interface.c
index 73a69b0ac..b2de94377 100644
--- a/lib/ff_host_interface.c
+++ b/lib/ff_host_interface.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_host_interface.h b/lib/ff_host_interface.h
index 253b6697f..29a2f3ab7 100644
--- a/lib/ff_host_interface.h
+++ b/lib/ff_host_interface.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_init.c b/lib/ff_init.c
index 0659202f1..5ffbfe37c 100644
--- a/lib/ff_init.c
+++ b/lib/ff_init.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_condvar.c b/lib/ff_kern_condvar.c
index d5398de6f..b8cace292 100644
--- a/lib/ff_kern_condvar.c
+++ b/lib/ff_kern_condvar.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_environment.c b/lib/ff_kern_environment.c
index 7e74db4dc..83b363128 100644
--- a/lib/ff_kern_environment.c
+++ b/lib/ff_kern_environment.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 1998 Michael Smith. All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_intr.c b/lib/ff_kern_intr.c
index f9a0ec835..ad9a94da8 100644
--- a/lib/ff_kern_intr.c
+++ b/lib/ff_kern_intr.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_subr.c b/lib/ff_kern_subr.c
index 32a9aee1c..a675ce63d 100644
--- a/lib/ff_kern_subr.c
+++ b/lib/ff_kern_subr.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_synch.c b/lib/ff_kern_synch.c
index 45016856b..56e82627e 100644
--- a/lib/ff_kern_synch.c
+++ b/lib/ff_kern_synch.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_kern_timeout.c b/lib/ff_kern_timeout.c
index 4f00f9436..f05ee73a7 100644
--- a/lib/ff_kern_timeout.c
+++ b/lib/ff_kern_timeout.c
@@ -9,7 +9,7 @@
  *
  * Copyright (c) 2010 Kip Macy. All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_lock.c b/lib/ff_lock.c
index ed1bb1cc2..5e7f1ac00 100644
--- a/lib/ff_lock.c
+++ b/lib/ff_lock.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_memory.c b/lib/ff_memory.c
index 80610c679..715478f63 100644
--- a/lib/ff_memory.c
+++ b/lib/ff_memory.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_memory.h b/lib/ff_memory.h
index 8d8d2d4ca..ce279ae16 100644
--- a/lib/ff_memory.h
+++ b/lib/ff_memory.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_msg.h b/lib/ff_msg.h
index 454e41e0b..3aad64a1b 100644
--- a/lib/ff_msg.h
+++ b/lib/ff_msg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_ngctl.c b/lib/ff_ngctl.c
index 3c7c4ef34..b93a2ef93 100644
--- a/lib/ff_ngctl.c
+++ b/lib/ff_ngctl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_route.c b/lib/ff_route.c
index 4f226cfa8..4791e42bb 100644
--- a/lib/ff_route.c
+++ b/lib/ff_route.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 1988, 1991, 1993
  *  The Regents of the University of California.  All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_subr_epoch.c b/lib/ff_subr_epoch.c
index e578896a2..9128b93c1 100644
--- a/lib/ff_subr_epoch.c
+++ b/lib/ff_subr_epoch.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_syscall_wrapper.c b/lib/ff_syscall_wrapper.c
index 9e14cd2b6..7cf4698e7 100644
--- a/lib/ff_syscall_wrapper.c
+++ b/lib/ff_syscall_wrapper.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_veth.c b/lib/ff_veth.c
index f10ef7aaf..3aea24ae7 100644
--- a/lib/ff_veth.c
+++ b/lib/ff_veth.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_veth.h b/lib/ff_veth.h
index 713ec6d16..627662f69 100644
--- a/lib/ff_veth.h
+++ b/lib/ff_veth.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/ff_vfs_ops.c b/lib/ff_vfs_ops.c
index c5500c84a..d8d61f8aa 100644
--- a/lib/ff_vfs_ops.c
+++ b/lib/ff_vfs_ops.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011 Kip Macy. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/amd64/include/counter.h b/lib/include/amd64/include/counter.h
index 1c2f4cbbe..f1d6c555a 100644
--- a/lib/include/amd64/include/counter.h
+++ b/lib/include/amd64/include/counter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/amd64/include/pcpu.h b/lib/include/amd64/include/pcpu.h
index c540c0ffe..661793c71 100644
--- a/lib/include/amd64/include/pcpu.h
+++ b/lib/include/amd64/include/pcpu.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/i386/include/counter.h b/lib/include/i386/include/counter.h
index a3f064ddf..996965d55 100644
--- a/lib/include/i386/include/counter.h
+++ b/lib/include/i386/include/counter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/i386/include/pcpu.h b/lib/include/i386/include/pcpu.h
index 1fce2fc58..565dee152 100644
--- a/lib/include/i386/include/pcpu.h
+++ b/lib/include/i386/include/pcpu.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/_mutex.h b/lib/include/sys/_mutex.h
index 70dbab7b5..5e3fd17f3 100644
--- a/lib/include/sys/_mutex.h
+++ b/lib/include/sys/_mutex.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/_rwlock.h b/lib/include/sys/_rwlock.h
index fce0091eb..512f9f39b 100644
--- a/lib/include/sys/_rwlock.h
+++ b/lib/include/sys/_rwlock.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/condvar.h b/lib/include/sys/condvar.h
index e797b2c6e..e89a721e0 100644
--- a/lib/include/sys/condvar.h
+++ b/lib/include/sys/condvar.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2000 Jake Burkholder <jake@freebsd.org>.All rights reserved.
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/filedesc.h b/lib/include/sys/filedesc.h
index d5814ef24..79d3a460b 100644
--- a/lib/include/sys/filedesc.h
+++ b/lib/include/sys/filedesc.h
@@ -1,6 +1,6 @@
 /*-
  * Copyright (c) 2010 Kip Macy
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/mutex.h b/lib/include/sys/mutex.h
index 7df50c5dc..576d5f588 100644
--- a/lib/include/sys/mutex.h
+++ b/lib/include/sys/mutex.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/param.h b/lib/include/sys/param.h
index 4e8a322d4..18e6f9c88 100644
--- a/lib/include/sys/param.h
+++ b/lib/include/sys/param.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/pcpu.h b/lib/include/sys/pcpu.h
index abd48f2ac..3b1e0f5e3 100644
--- a/lib/include/sys/pcpu.h
+++ b/lib/include/sys/pcpu.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/rwlock.h b/lib/include/sys/rwlock.h
index 3bc2b2b93..004088a2f 100644
--- a/lib/include/sys/rwlock.h
+++ b/lib/include/sys/rwlock.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/sx.h b/lib/include/sys/sx.h
index 6bfd46a93..fb9902a79 100644
--- a/lib/include/sys/sx.h
+++ b/lib/include/sys/sx.h
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2007 Attilio Rao <attilio@freebsd.org>
  * Copyright (c) 2001 Jason Evans <jasone@freebsd.org>
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/systm.h b/lib/include/sys/systm.h
index ffbf378b7..a92469c82 100644
--- a/lib/include/sys/systm.h
+++ b/lib/include/sys/systm.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/turnstile.h b/lib/include/sys/turnstile.h
index cb28e415e..ed95113f7 100644
--- a/lib/include/sys/turnstile.h
+++ b/lib/include/sys/turnstile.h
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/sys/vnode.h b/lib/include/sys/vnode.h
index b3ddf49e8..f16aed717 100644
--- a/lib/include/sys/vnode.h
+++ b/lib/include/sys/vnode.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/lib/include/vm/uma_int.h b/lib/include/vm/uma_int.h
index ff533690a..a85d0ef74 100644
--- a/lib/include/vm/uma_int.h
+++ b/lib/include/vm/uma_int.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
- * Copyright (C) 2021 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/compat.h b/tools/compat/compat.h
index f43ca0d1e..508f29f21 100644
--- a/tools/compat/compat.h
+++ b/tools/compat/compat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/ff_ipc.c b/tools/compat/ff_ipc.c
index 1d6a27676..299a9ad09 100644
--- a/tools/compat/ff_ipc.c
+++ b/tools/compat/ff_ipc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/ff_ipc.h b/tools/compat/ff_ipc.h
index 5b34e03d0..47d63af22 100644
--- a/tools/compat/ff_ipc.h
+++ b/tools/compat/ff_ipc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/getaddrinfo.c b/tools/compat/getaddrinfo.c
index 78fc13374..c03e1fa84 100644
--- a/tools/compat/getaddrinfo.c
+++ b/tools/compat/getaddrinfo.c
@@ -4,7 +4,7 @@
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  * All rights reserved.
  *
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/include/sys/_mutex.h b/tools/compat/include/sys/_mutex.h
index 89959e312..233e2b183 100644
--- a/tools/compat/include/sys/_mutex.h
+++ b/tools/compat/include/sys/_mutex.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/include/sys/_rwlock.h b/tools/compat/include/sys/_rwlock.h
index 23b17995f..2ebace4a6 100644
--- a/tools/compat/include/sys/_rwlock.h
+++ b/tools/compat/include/sys/_rwlock.h
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2010 Kip Macy All rights reserved.
  * Copyright (c) 2013 Patrick Kelsey. All rights reserved.
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/include/sys/sysctl.h b/tools/compat/include/sys/sysctl.h
index 4cad5c2f0..f9a773659 100644
--- a/tools/compat/include/sys/sysctl.h
+++ b/tools/compat/include/sys/sysctl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/ioctl.c b/tools/compat/ioctl.c
index 361745314..782d61649 100644
--- a/tools/compat/ioctl.c
+++ b/tools/compat/ioctl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/rtioctl.c b/tools/compat/rtioctl.c
index bdebb8896..a9cc2a1e0 100644
--- a/tools/compat/rtioctl.c
+++ b/tools/compat/rtioctl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/rtioctl.h b/tools/compat/rtioctl.h
index 51b8def02..ddb1dfe4c 100644
--- a/tools/compat/rtioctl.h
+++ b/tools/compat/rtioctl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/compat/sysctl.c b/tools/compat/sysctl.c
index 96320b8cd..3dea98b0c 100644
--- a/tools/compat/sysctl.c
+++ b/tools/compat/sysctl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 THL A29 Limited, a Tencent company.
+ * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without