diff --git a/trunk/src/app/srs_app_gb28181.cpp b/trunk/src/app/srs_app_gb28181.cpp
index 2106afcde..4663d25f9 100644
--- a/trunk/src/app/srs_app_gb28181.cpp
+++ b/trunk/src/app/srs_app_gb28181.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_gb28181.hpp b/trunk/src/app/srs_app_gb28181.hpp
index 7694066c1..fdc421fbe 100644
--- a/trunk/src/app/srs_app_gb28181.hpp
+++ b/trunk/src/app/srs_app_gb28181.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_gb28181_sip.cpp b/trunk/src/app/srs_app_gb28181_sip.cpp
index 5a8972397..1ca695c6d 100644
--- a/trunk/src/app/srs_app_gb28181_sip.cpp
+++ b/trunk/src/app/srs_app_gb28181_sip.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_gb28181_sip.hpp b/trunk/src/app/srs_app_gb28181_sip.hpp
index 7a37b92d6..23dd99c33 100644
--- a/trunk/src/app/srs_app_gb28181_sip.hpp
+++ b/trunk/src/app/srs_app_gb28181_sip.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_codec.cpp b/trunk/src/app/srs_app_rtc_codec.cpp
index 7194f9605..2c9ebd2a9 100644
--- a/trunk/src/app/srs_app_rtc_codec.cpp
+++ b/trunk/src/app/srs_app_rtc_codec.cpp
@@ -2,7 +2,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Bepartofyou
+ * Copyright (c) 2013-2021 Bepartofyou
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_codec.hpp b/trunk/src/app/srs_app_rtc_codec.hpp
index 23df35414..b9da7daf5 100644
--- a/trunk/src/app/srs_app_rtc_codec.hpp
+++ b/trunk/src/app/srs_app_rtc_codec.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Bepartofyou
+ * Copyright (c) 2013-2021 Bepartofyou
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index 8791a3f37..2aecf96e7 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_conn.hpp b/trunk/src/app/srs_app_rtc_conn.hpp
index 12187fae2..694f63c73 100644
--- a/trunk/src/app/srs_app_rtc_conn.hpp
+++ b/trunk/src/app/srs_app_rtc_conn.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_jitbuffer.cpp b/trunk/src/app/srs_app_rtc_jitbuffer.cpp
index f030932d2..40a1b6fbd 100644
--- a/trunk/src/app/srs_app_rtc_jitbuffer.cpp
+++ b/trunk/src/app/srs_app_rtc_jitbuffer.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_jitbuffer.hpp b/trunk/src/app/srs_app_rtc_jitbuffer.hpp
index a7682a2b9..d0521c2f8 100644
--- a/trunk/src/app/srs_app_rtc_jitbuffer.hpp
+++ b/trunk/src/app/srs_app_rtc_jitbuffer.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_queue.cpp b/trunk/src/app/srs_app_rtc_queue.cpp
index ee166eacd..7a19f2b57 100644
--- a/trunk/src/app/srs_app_rtc_queue.cpp
+++ b/trunk/src/app/srs_app_rtc_queue.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_queue.hpp b/trunk/src/app/srs_app_rtc_queue.hpp
index b1d2b2cac..5cd644442 100644
--- a/trunk/src/app/srs_app_rtc_queue.hpp
+++ b/trunk/src/app/srs_app_rtc_queue.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_sdp.cpp b/trunk/src/app/srs_app_rtc_sdp.cpp
index facb8fbd1..fe4e5f412 100644
--- a/trunk/src/app/srs_app_rtc_sdp.cpp
+++ b/trunk/src/app/srs_app_rtc_sdp.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_sdp.hpp b/trunk/src/app/srs_app_rtc_sdp.hpp
index 16c3f8e01..01d65bd5c 100644
--- a/trunk/src/app/srs_app_rtc_sdp.hpp
+++ b/trunk/src/app/srs_app_rtc_sdp.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_server.cpp b/trunk/src/app/srs_app_rtc_server.cpp
index 6ca4cfbf4..311da5050 100644
--- a/trunk/src/app/srs_app_rtc_server.cpp
+++ b/trunk/src/app/srs_app_rtc_server.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_server.hpp b/trunk/src/app/srs_app_rtc_server.hpp
index ecae6d980..16aa12857 100644
--- a/trunk/src/app/srs_app_rtc_server.hpp
+++ b/trunk/src/app/srs_app_rtc_server.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_source.cpp b/trunk/src/app/srs_app_rtc_source.cpp
index 5d4c333a2..a1a3d699d 100644
--- a/trunk/src/app/srs_app_rtc_source.cpp
+++ b/trunk/src/app/srs_app_rtc_source.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_rtc_source.hpp b/trunk/src/app/srs_app_rtc_source.hpp
index 1ea9c5a41..e29711feb 100644
--- a/trunk/src/app/srs_app_rtc_source.hpp
+++ b/trunk/src/app/srs_app_rtc_source.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_sip.cpp b/trunk/src/app/srs_app_sip.cpp
index bf65481d6..c7ff221f0 100644
--- a/trunk/src/app/srs_app_sip.cpp
+++ b/trunk/src/app/srs_app_sip.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/app/srs_app_sip.hpp b/trunk/src/app/srs_app_sip.hpp
index c6d4e1131..eea753797 100644
--- a/trunk/src/app/srs_app_sip.hpp
+++ b/trunk/src/app/srs_app_sip.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Lixin
+ * Copyright (c) 2013-2021 Lixin
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/kernel/srs_kernel_rtc_rtcp.cpp b/trunk/src/kernel/srs_kernel_rtc_rtcp.cpp
index 2552887fe..284053142 100644
--- a/trunk/src/kernel/srs_kernel_rtc_rtcp.cpp
+++ b/trunk/src/kernel/srs_kernel_rtc_rtcp.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 LiPeng
+ * Copyright (c) 2013-2021 LiPeng
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/kernel/srs_kernel_rtc_rtcp.hpp b/trunk/src/kernel/srs_kernel_rtc_rtcp.hpp
index b469b814a..78df377e1 100644
--- a/trunk/src/kernel/srs_kernel_rtc_rtcp.hpp
+++ b/trunk/src/kernel/srs_kernel_rtc_rtcp.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 LiPeng
+ * Copyright (c) 2013-2021 LiPeng
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/protocol/srs_rtc_stun_stack.cpp b/trunk/src/protocol/srs_rtc_stun_stack.cpp
index fe7f2385f..9fdfc98e1 100644
--- a/trunk/src/protocol/srs_rtc_stun_stack.cpp
+++ b/trunk/src/protocol/srs_rtc_stun_stack.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/protocol/srs_rtc_stun_stack.hpp b/trunk/src/protocol/srs_rtc_stun_stack.hpp
index 682a6c84d..fede60b32 100644
--- a/trunk/src/protocol/srs_rtc_stun_stack.hpp
+++ b/trunk/src/protocol/srs_rtc_stun_stack.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 John
+ * Copyright (c) 2013-2021 John
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_conn.cpp b/trunk/src/srt/srt_conn.cpp
index aca43b494..ccdaa257b 100644
--- a/trunk/src/srt/srt_conn.cpp
+++ b/trunk/src/srt/srt_conn.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_conn.hpp b/trunk/src/srt/srt_conn.hpp
index 3bc2a9a4b..df6106235 100644
--- a/trunk/src/srt/srt_conn.hpp
+++ b/trunk/src/srt/srt_conn.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_data.cpp b/trunk/src/srt/srt_data.cpp
index 5e1b65d54..c8802fd06 100644
--- a/trunk/src/srt/srt_data.cpp
+++ b/trunk/src/srt/srt_data.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_data.hpp b/trunk/src/srt/srt_data.hpp
index cb51d154a..fb46fccba 100644
--- a/trunk/src/srt/srt_data.hpp
+++ b/trunk/src/srt/srt_data.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_handle.cpp b/trunk/src/srt/srt_handle.cpp
index c86bef6b5..c947e8288 100644
--- a/trunk/src/srt/srt_handle.cpp
+++ b/trunk/src/srt/srt_handle.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_handle.hpp b/trunk/src/srt/srt_handle.hpp
index c177268c7..fb67acf97 100644
--- a/trunk/src/srt/srt_handle.hpp
+++ b/trunk/src/srt/srt_handle.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_server.cpp b/trunk/src/srt/srt_server.cpp
index 76f203749..c2d174030 100644
--- a/trunk/src/srt/srt_server.cpp
+++ b/trunk/src/srt/srt_server.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_server.hpp b/trunk/src/srt/srt_server.hpp
index f48238176..d2ae413fd 100644
--- a/trunk/src/srt/srt_server.hpp
+++ b/trunk/src/srt/srt_server.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_to_rtmp.cpp b/trunk/src/srt/srt_to_rtmp.cpp
index b04723def..33657b040 100644
--- a/trunk/src/srt/srt_to_rtmp.cpp
+++ b/trunk/src/srt/srt_to_rtmp.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/srt_to_rtmp.hpp b/trunk/src/srt/srt_to_rtmp.hpp
index e4dd69a2c..9d4e288e4 100644
--- a/trunk/src/srt/srt_to_rtmp.hpp
+++ b/trunk/src/srt/srt_to_rtmp.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/stringex.hpp b/trunk/src/srt/stringex.hpp
index 0c0d9ea95..10cbc8915 100644
--- a/trunk/src/srt/stringex.hpp
+++ b/trunk/src/srt/stringex.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/ts_demux.cpp b/trunk/src/srt/ts_demux.cpp
index 0e0ab68da..6d2a1b27a 100644
--- a/trunk/src/srt/ts_demux.cpp
+++ b/trunk/src/srt/ts_demux.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/ts_demux.hpp b/trunk/src/srt/ts_demux.hpp
index 64556b934..7dc14b432 100644
--- a/trunk/src/srt/ts_demux.hpp
+++ b/trunk/src/srt/ts_demux.hpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/trunk/src/srt/ts_demux_test.cpp b/trunk/src/srt/ts_demux_test.cpp
index ec65ce182..bfc81ee8a 100644
--- a/trunk/src/srt/ts_demux_test.cpp
+++ b/trunk/src/srt/ts_demux_test.cpp
@@ -1,7 +1,7 @@
 /**
  * The MIT License (MIT)
  *
- * Copyright (c) 2013-2020 Runner365
+ * Copyright (c) 2013-2021 Runner365
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in