diff --git a/application/application.go b/application/application.go
index a2f2e09..ceb382e 100644
--- a/application/application.go
+++ b/application/application.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/commander.go b/application/command/commander.go
index bef54ad..139d63c 100644
--- a/application/command/commander.go
+++ b/application/command/commander.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/commands.go b/application/command/commands.go
index 2135aeb..155ac53 100644
--- a/application/command/commands.go
+++ b/application/command/commands.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/fsm.go b/application/command/fsm.go
index 107939b..6c6f1d6 100644
--- a/application/command/fsm.go
+++ b/application/command/fsm.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/handler.go b/application/command/handler.go
index eabf50d..09d1d17 100644
--- a/application/command/handler.go
+++ b/application/command/handler.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/handler_echo_test.go b/application/command/handler_echo_test.go
index 114b509..0571038 100644
--- a/application/command/handler_echo_test.go
+++ b/application/command/handler_echo_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/handler_stream_test.go b/application/command/handler_stream_test.go
index c542834..d4b37d3 100644
--- a/application/command/handler_stream_test.go
+++ b/application/command/handler_stream_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/handler_test.go b/application/command/handler_test.go
index 0c1b49c..34cef9a 100644
--- a/application/command/handler_test.go
+++ b/application/command/handler_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/header.go b/application/command/header.go
index 9dd6ad3..84bd5d4 100644
--- a/application/command/header.go
+++ b/application/command/header.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/streams.go b/application/command/streams.go
index 0d120eb..d0f9dd4 100644
--- a/application/command/streams.go
+++ b/application/command/streams.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/command/streams_test.go b/application/command/streams_test.go
index ad01029..0d9248c 100644
--- a/application/command/streams_test.go
+++ b/application/command/streams_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/address.go b/application/commands/address.go
index 3e66d4a..dccc627 100644
--- a/application/commands/address.go
+++ b/application/commands/address.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/address_test.go b/application/commands/address_test.go
index 4953d21..5059e83 100644
--- a/application/commands/address_test.go
+++ b/application/commands/address_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/commands.go b/application/commands/commands.go
index bc80720..1ef1881 100644
--- a/application/commands/commands.go
+++ b/application/commands/commands.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/integer.go b/application/commands/integer.go
index 4139f2a..993bb1f 100644
--- a/application/commands/integer.go
+++ b/application/commands/integer.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/integer_test.go b/application/commands/integer_test.go
index 8f50496..c614e6f 100644
--- a/application/commands/integer_test.go
+++ b/application/commands/integer_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/ssh.go b/application/commands/ssh.go
index e57dd72..43e8ddf 100644
--- a/application/commands/ssh.go
+++ b/application/commands/ssh.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/string.go b/application/commands/string.go
index c98c3ba..a437265 100644
--- a/application/commands/string.go
+++ b/application/commands/string.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/string_test.go b/application/commands/string_test.go
index 80b7095..478c968 100644
--- a/application/commands/string_test.go
+++ b/application/commands/string_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/commands/telnet.go b/application/commands/telnet.go
index 6d9830c..c74837a 100644
--- a/application/commands/telnet.go
+++ b/application/commands/telnet.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/common.go b/application/configuration/common.go
index 9cdcad5..2680b39 100644
--- a/application/configuration/common.go
+++ b/application/configuration/common.go
@@ -1,3 +1,20 @@
+// Sshwifty - A Web SSH client
+//
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 package configuration
 
 func durationAtLeast(current, min int) int {
diff --git a/application/configuration/config.go b/application/configuration/config.go
index a564d4c..c77511a 100644
--- a/application/configuration/config.go
+++ b/application/configuration/config.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/loader.go b/application/configuration/loader.go
index 85e39b4..098e8e1 100644
--- a/application/configuration/loader.go
+++ b/application/configuration/loader.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/loader_direct.go b/application/configuration/loader_direct.go
index bcbb50a..45d2fcb 100644
--- a/application/configuration/loader_direct.go
+++ b/application/configuration/loader_direct.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/loader_enviro.go b/application/configuration/loader_enviro.go
index 115b3af..0194e76 100644
--- a/application/configuration/loader_enviro.go
+++ b/application/configuration/loader_enviro.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/loader_file.go b/application/configuration/loader_file.go
index 8327271..5e3892d 100644
--- a/application/configuration/loader_file.go
+++ b/application/configuration/loader_file.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/loader_redundant.go b/application/configuration/loader_redundant.go
index ec9799a..51cba59 100644
--- a/application/configuration/loader_redundant.go
+++ b/application/configuration/loader_redundant.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/configuration/string.go b/application/configuration/string.go
index 7743b16..27640b0 100644
--- a/application/configuration/string.go
+++ b/application/configuration/string.go
@@ -1,3 +1,20 @@
+// Sshwifty - A Web SSH client
+//
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 package configuration
 
 import (
diff --git a/application/configuration/string_test.go b/application/configuration/string_test.go
index 77df360..37da8ee 100644
--- a/application/configuration/string_test.go
+++ b/application/configuration/string_test.go
@@ -1,3 +1,20 @@
+// Sshwifty - A Web SSH client
+//
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 package configuration
 
 import (
diff --git a/application/controller/base.go b/application/controller/base.go
index ca2b140..58e91ae 100644
--- a/application/controller/base.go
+++ b/application/controller/base.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/common.go b/application/controller/common.go
index 1e2aac8..3bacf24 100644
--- a/application/controller/common.go
+++ b/application/controller/common.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/common_test.go b/application/controller/common_test.go
index 109421e..d281f7a 100644
--- a/application/controller/common_test.go
+++ b/application/controller/common_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/controller.go b/application/controller/controller.go
index f6a1158..1a18702 100644
--- a/application/controller/controller.go
+++ b/application/controller/controller.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/error.go b/application/controller/error.go
index 96f5189..7bdbb40 100644
--- a/application/controller/error.go
+++ b/application/controller/error.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/failure.go b/application/controller/failure.go
index 743811b..db1bdc3 100644
--- a/application/controller/failure.go
+++ b/application/controller/failure.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/home.go b/application/controller/home.go
index d724829..83d6777 100644
--- a/application/controller/home.go
+++ b/application/controller/home.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/socket.go b/application/controller/socket.go
index 1aa616a..f3b4139 100644
--- a/application/controller/socket.go
+++ b/application/controller/socket.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/socket_verify.go b/application/controller/socket_verify.go
index 36a4c83..a1b36de 100644
--- a/application/controller/socket_verify.go
+++ b/application/controller/socket_verify.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/static.go b/application/controller/static.go
index 405f48e..03636ef 100644
--- a/application/controller/static.go
+++ b/application/controller/static.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/controller/static_page_generater/main.go b/application/controller/static_page_generater/main.go
index b4ebd73..e2fbf82 100644
--- a/application/controller/static_page_generater/main.go
+++ b/application/controller/static_page_generater/main.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -41,7 +41,7 @@ const (
 const (
 	staticListHeader = `// Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/log/ditch.go b/application/log/ditch.go
index 9339b82..724b2cf 100644
--- a/application/log/ditch.go
+++ b/application/log/ditch.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/log/log.go b/application/log/log.go
index 6f9d022..7bd7886 100644
--- a/application/log/log.go
+++ b/application/log/log.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/log/writer.go b/application/log/writer.go
index 861ea81..0c431c7 100644
--- a/application/log/writer.go
+++ b/application/log/writer.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/log/writer_nodebug.go b/application/log/writer_nodebug.go
index 52cd234..5543874 100644
--- a/application/log/writer_nodebug.go
+++ b/application/log/writer_nodebug.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/network/conn.go b/application/network/conn.go
index e3dc489..298ff0a 100644
--- a/application/network/conn.go
+++ b/application/network/conn.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/network/conn_timeout.go b/application/network/conn_timeout.go
index ecaeeaf..3ffde72 100644
--- a/application/network/conn_timeout.go
+++ b/application/network/conn_timeout.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/network/dial.go b/application/network/dial.go
index 9c84299..ebb19f6 100644
--- a/application/network/dial.go
+++ b/application/network/dial.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/network/dial_ac.go b/application/network/dial_ac.go
index acae6ba..1454d6e 100644
--- a/application/network/dial_ac.go
+++ b/application/network/dial_ac.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/network/dial_socks5.go b/application/network/dial_socks5.go
index ae2f7c4..be1397b 100644
--- a/application/network/dial_socks5.go
+++ b/application/network/dial_socks5.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/plate.go b/application/plate.go
index 8736bb0..66d5f0f 100644
--- a/application/plate.go
+++ b/application/plate.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/rw/fetch.go b/application/rw/fetch.go
index 30583bf..e8a8679 100644
--- a/application/rw/fetch.go
+++ b/application/rw/fetch.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/rw/fetch_test.go b/application/rw/fetch_test.go
index 3ba22ff..aedc30b 100644
--- a/application/rw/fetch_test.go
+++ b/application/rw/fetch_test.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/rw/limited.go b/application/rw/limited.go
index ab35a3e..64c20d3 100644
--- a/application/rw/limited.go
+++ b/application/rw/limited.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/rw/rw.go b/application/rw/rw.go
index f11c41a..c974950 100644
--- a/application/rw/rw.go
+++ b/application/rw/rw.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/server/conn.go b/application/server/conn.go
index a42daed..d17568b 100644
--- a/application/server/conn.go
+++ b/application/server/conn.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/application/server/server.go b/application/server/server.go
index ea053ef..f047648 100644
--- a/application/server/server.go
+++ b/application/server/server.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/babel.config.js b/babel.config.js
index 3240da0..b499d62 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/sshwifty.go b/sshwifty.go
index f998bc0..07d3f37 100644
--- a/sshwifty.go
+++ b/sshwifty.go
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/app.css b/ui/app.css
index 6be4635..fb07871 100644
--- a/ui/app.css
+++ b/ui/app.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/app.js b/ui/app.js
index f674456..d5b444a 100644
--- a/ui/app.js
+++ b/ui/app.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/auth.vue b/ui/auth.vue
index 9b95cac..37b1802 100644
--- a/ui/auth.vue
+++ b/ui/auth.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/address.js b/ui/commands/address.js
index ca69c75..890fc17 100644
--- a/ui/commands/address.js
+++ b/ui/commands/address.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/address_test.js b/ui/commands/address_test.js
index 06e7981..2601156 100644
--- a/ui/commands/address_test.js
+++ b/ui/commands/address_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/color.js b/ui/commands/color.js
index e796b3a..f42d882 100644
--- a/ui/commands/color.js
+++ b/ui/commands/color.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/commands.js b/ui/commands/commands.js
index 70b0136..ae5f0ae 100644
--- a/ui/commands/commands.js
+++ b/ui/commands/commands.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/common.js b/ui/commands/common.js
index 421e672..d24bfd6 100644
--- a/ui/commands/common.js
+++ b/ui/commands/common.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/common_test.js b/ui/commands/common_test.js
index dae624c..1bd397a 100644
--- a/ui/commands/common_test.js
+++ b/ui/commands/common_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/controls.js b/ui/commands/controls.js
index 789b7dd..9d9dbc8 100644
--- a/ui/commands/controls.js
+++ b/ui/commands/controls.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/events.js b/ui/commands/events.js
index 88c51b1..133771d 100644
--- a/ui/commands/events.js
+++ b/ui/commands/events.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/exception.js b/ui/commands/exception.js
index 64c2c54..3f3d409 100644
--- a/ui/commands/exception.js
+++ b/ui/commands/exception.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/history.js b/ui/commands/history.js
index 7afe099..f3ca969 100644
--- a/ui/commands/history.js
+++ b/ui/commands/history.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/integer.js b/ui/commands/integer.js
index 1c99341..ff464c8 100644
--- a/ui/commands/integer.js
+++ b/ui/commands/integer.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/integer_test.js b/ui/commands/integer_test.js
index be89e75..ad08fd0 100644
--- a/ui/commands/integer_test.js
+++ b/ui/commands/integer_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/presets.js b/ui/commands/presets.js
index 982e046..ece1371 100644
--- a/ui/commands/presets.js
+++ b/ui/commands/presets.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/ssh.js b/ui/commands/ssh.js
index e89848b..70d9523 100644
--- a/ui/commands/ssh.js
+++ b/ui/commands/ssh.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/string.js b/ui/commands/string.js
index cc1db7e..135e117 100644
--- a/ui/commands/string.js
+++ b/ui/commands/string.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/string_test.js b/ui/commands/string_test.js
index fcbc325..c44cbf6 100644
--- a/ui/commands/string_test.js
+++ b/ui/commands/string_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/commands/telnet.js b/ui/commands/telnet.js
index 0751457..7624d36 100644
--- a/ui/commands/telnet.js
+++ b/ui/commands/telnet.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/common.css b/ui/common.css
index 072e50d..5720f37 100644
--- a/ui/common.css
+++ b/ui/common.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/control/ssh.js b/ui/control/ssh.js
index 108d1f0..0c2e012 100644
--- a/ui/control/ssh.js
+++ b/ui/control/ssh.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/control/telnet.js b/ui/control/telnet.js
index a6cd6ad..e21bd29 100644
--- a/ui/control/telnet.js
+++ b/ui/control/telnet.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/crypto.js b/ui/crypto.js
index ded1346..23e7f92 100644
--- a/ui/crypto.js
+++ b/ui/crypto.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/error.html b/ui/error.html
index 22a1db9..88f7a8d 100644
--- a/ui/error.html
+++ b/ui/error.html
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -26,9 +26,7 @@
   <body class="app-error">
     <div id="app-loading">
       <div id="app-loading-frame">
-        <div id="app-loading-error">
-          &times;
-        </div>
+        <div id="app-loading-error">&times;</div>
 
         <h1 id="app-loading-title" class="error">
           Server was unable to complete the request
diff --git a/ui/history.js b/ui/history.js
index 4183112..affcf71 100644
--- a/ui/history.js
+++ b/ui/history.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/home.css b/ui/home.css
index 016fbcb..e25ccc5 100644
--- a/ui/home.css
+++ b/ui/home.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/home.vue b/ui/home.vue
index d81d979..133a010 100644
--- a/ui/home.vue
+++ b/ui/home.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/index.html b/ui/index.html
index 6d8b6ca..858d48e 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -42,7 +42,7 @@
             </p>
           </noscript>
           <p class="copy copy-first">
-            Copyright &copy; 2019-2020 Rui NI &lt;nirui@gmx.com&gt;
+            Copyright &copy; 2019-2021 Ni Rui &lt;nirui@gmx.com&gt;
           </p>
           <p class="copy">
             <a href="https://github.com/nirui/sshwifty" target="blank">
@@ -53,13 +53,9 @@
               Third-party
             </a>
 
-            <a href="/sshwifty/assets/README.md" target="blank">
-              Readme
-            </a>
+            <a href="/sshwifty/assets/README.md" target="blank"> Readme </a>
 
-            <a href="/sshwifty/assets/LICENSE.md" target="blank">
-              License
-            </a>
+            <a href="/sshwifty/assets/LICENSE.md" target="blank"> License </a>
           </p>
         </div>
       </div>
diff --git a/ui/landing.css b/ui/landing.css
index 8f26b9f..e21e854 100644
--- a/ui/landing.css
+++ b/ui/landing.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/loading.vue b/ui/loading.vue
index 2e3c2d9..cce915b 100644
--- a/ui/loading.vue
+++ b/ui/loading.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -21,9 +21,7 @@
   <div id="app-loading">
     <div id="app-loading-frame">
       <div v-if="error.length <= 0" id="app-loading-icon"></div>
-      <div v-else id="app-loading-error">
-        &times;
-      </div>
+      <div v-else id="app-loading-error">&times;</div>
 
       <h1 v-if="error.length <= 0" id="app-loading-title">
         Preparing client application
@@ -40,8 +38,8 @@ export default {
   props: {
     error: {
       type: String,
-      default: ""
-    }
-  }
+      default: "",
+    },
+  },
 };
 </script>
diff --git a/ui/socket.js b/ui/socket.js
index ffbfdef..0c28582 100644
--- a/ui/socket.js
+++ b/ui/socket.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/common.js b/ui/stream/common.js
index cc71f15..ef4a7b4 100644
--- a/ui/stream/common.js
+++ b/ui/stream/common.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/common_test.js b/ui/stream/common_test.js
index c91b412..502d9b6 100644
--- a/ui/stream/common_test.js
+++ b/ui/stream/common_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/exception.js b/ui/stream/exception.js
index da87db8..7afcbb9 100644
--- a/ui/stream/exception.js
+++ b/ui/stream/exception.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/header.js b/ui/stream/header.js
index c7ea37f..7333d8e 100644
--- a/ui/stream/header.js
+++ b/ui/stream/header.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/header_test.js b/ui/stream/header_test.js
index 520804b..f14c25d 100644
--- a/ui/stream/header_test.js
+++ b/ui/stream/header_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/reader.js b/ui/stream/reader.js
index a62791f..02b87c9 100644
--- a/ui/stream/reader.js
+++ b/ui/stream/reader.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/reader_test.js b/ui/stream/reader_test.js
index 75da163..72363ce 100644
--- a/ui/stream/reader_test.js
+++ b/ui/stream/reader_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/sender.js b/ui/stream/sender.js
index 7d514ff..507af41 100644
--- a/ui/stream/sender.js
+++ b/ui/stream/sender.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/sender_test.js b/ui/stream/sender_test.js
index 5183120..38726e0 100644
--- a/ui/stream/sender_test.js
+++ b/ui/stream/sender_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/stream.js b/ui/stream/stream.js
index 6f44c3d..a4488e7 100644
--- a/ui/stream/stream.js
+++ b/ui/stream/stream.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/streams.js b/ui/stream/streams.js
index d8f5b43..bd50e30 100644
--- a/ui/stream/streams.js
+++ b/ui/stream/streams.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/streams_test.js b/ui/stream/streams_test.js
index 547a8c5..6d0f1b4 100644
--- a/ui/stream/streams_test.js
+++ b/ui/stream/streams_test.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/stream/subscribe.js b/ui/stream/subscribe.js
index 7feb1da..49fac6f 100644
--- a/ui/stream/subscribe.js
+++ b/ui/stream/subscribe.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/chart.vue b/ui/widgets/chart.vue
index 8466cdb..6f51aa7 100644
--- a/ui/widgets/chart.vue
+++ b/ui/widgets/chart.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -133,7 +133,7 @@ class BarDrawer extends BaseDrawer {
           currentWidth +
           "," +
           cellHalfHeight,
-        class: h === 0 ? "zero" : data.data[i].class
+        class: h === 0 ? "zero" : data.data[i].class,
       });
 
       currentWidth += cellWidth;
@@ -161,7 +161,7 @@ class UpsideDownBarDrawer extends BarDrawer {
           currentWidth +
           "," +
           (Math.round(h) + padHalfHeight),
-        class: h === 0 ? "zero" : data.data[i].class
+        class: h === 0 ? "zero" : data.data[i].class,
       });
 
       currentWidth += cellWidth;
@@ -211,7 +211,7 @@ class Chart {
 
     return {
       dataMax: max,
-      resultMax: d.max
+      resultMax: d.max,
     };
   }
 
@@ -237,33 +237,33 @@ export default {
   props: {
     values: {
       type: Array,
-      default: () => []
+      default: () => [],
     },
     width: {
       type: Number,
-      default: 0
+      default: 0,
     },
     height: {
       type: Number,
-      default: 0
+      default: 0,
     },
     max: {
       type: Number,
-      default: 0
+      default: 0,
     },
     enabled: {
       type: Boolean,
-      default: false
+      default: false,
     },
     type: {
       type: String,
-      default: ""
-    }
+      default: "",
+    },
   },
   data() {
     return {
       chart: null,
-      previousMax: 0
+      previousMax: 0,
     };
   },
   watch: {
@@ -287,7 +287,7 @@ export default {
       }
 
       this.draw();
-    }
+    },
   },
   mounted() {
     this.chart = new Chart(
@@ -310,7 +310,7 @@ export default {
 
       this.$emit("max", r.dataMax);
       this.previousMax = r.dataMax;
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/connect.css b/ui/widgets/connect.css
index 67a0c34..354acdc 100644
--- a/ui/widgets/connect.css
+++ b/ui/widgets/connect.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect.vue b/ui/widgets/connect.vue
index 7bf87cb..8b75a91 100644
--- a/ui/widgets/connect.vue
+++ b/ui/widgets/connect.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect_known.css b/ui/widgets/connect_known.css
index 6bb4320..8110ab9 100644
--- a/ui/widgets/connect_known.css
+++ b/ui/widgets/connect_known.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect_known.vue b/ui/widgets/connect_known.vue
index d10b747..ed4a418 100644
--- a/ui/widgets/connect_known.vue
+++ b/ui/widgets/connect_known.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect_new.css b/ui/widgets/connect_new.css
index 8ebee41..249c32d 100644
--- a/ui/widgets/connect_new.css
+++ b/ui/widgets/connect_new.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect_new.vue b/ui/widgets/connect_new.vue
index a2e6086..f2f208a 100644
--- a/ui/widgets/connect_new.vue
+++ b/ui/widgets/connect_new.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -41,13 +41,13 @@ export default {
   props: {
     connectors: {
       type: Array,
-      default: () => []
-    }
+      default: () => [],
+    },
   },
   methods: {
     select(connector) {
       this.$emit("select", connector);
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/connect_switch.css b/ui/widgets/connect_switch.css
index 5fa57a6..ed4100b 100644
--- a/ui/widgets/connect_switch.css
+++ b/ui/widgets/connect_switch.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connect_switch.vue b/ui/widgets/connect_switch.vue
index cc4ffc8..941a35f 100644
--- a/ui/widgets/connect_switch.vue
+++ b/ui/widgets/connect_switch.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connector.css b/ui/widgets/connector.css
index 64b0ebc..df10f5d 100644
--- a/ui/widgets/connector.css
+++ b/ui/widgets/connector.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/connector.vue b/ui/widgets/connector.vue
index 1b7802c..0738fb2 100644
--- a/ui/widgets/connector.vue
+++ b/ui/widgets/connector.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -157,7 +157,7 @@
           autocomplete="off"
           :name="field.field.name"
           :placeholder="field.field.example"
-          style="display: none;"
+          style="display: none"
           @input="changed(key, field, false)"
           @change="changed(key, field, true)"
         />
diff --git a/ui/widgets/connector_field_builder.js b/ui/widgets/connector_field_builder.js
index be858dd..f5b3aad 100644
--- a/ui/widgets/connector_field_builder.js
+++ b/ui/widgets/connector_field_builder.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/screen_console.css b/ui/widgets/screen_console.css
index 29d5964..7ae8ddc 100644
--- a/ui/widgets/screen_console.css
+++ b/ui/widgets/screen_console.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/screen_console.vue b/ui/widgets/screen_console.vue
index 19f5d66..0f8343f 100644
--- a/ui/widgets/screen_console.vue
+++ b/ui/widgets/screen_console.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -23,14 +23,12 @@
       class="console-console"
       :style="'font-family: ' + typeface + ', inherit'"
     >
-      <h2 style="display: none;">Console</h2>
+      <h2 style="display: none">Console</h2>
 
       <div class="console-loading">
         <div class="console-loading-frame">
           <div class="console-loading-icon"></div>
-          <div class="console-loading-message">
-            Initializing console ...
-          </div>
+          <div class="console-loading-message">Initializing console ...</div>
         </div>
       </div>
     </div>
@@ -46,7 +44,7 @@
       class="console-toolbar"
       :style="'background-color: ' + control.activeColor() + 'ee'"
     >
-      <h2 style="display: none;">Tool bar</h2>
+      <h2 style="display: none">Tool bar</h2>
 
       <div class="console-toolbar-group console-toolbar-group-left">
         <div class="console-toolbar-item">
diff --git a/ui/widgets/screen_console_keys.js b/ui/widgets/screen_console_keys.js
index 8190b6d..4380a89 100644
--- a/ui/widgets/screen_console_keys.js
+++ b/ui/widgets/screen_console_keys.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/screens.css b/ui/widgets/screens.css
index e415ee2..70d45e1 100644
--- a/ui/widgets/screens.css
+++ b/ui/widgets/screens.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/screens.vue b/ui/widgets/screens.vue
index 8491a96..a1c89ce 100644
--- a/ui/widgets/screens.vue
+++ b/ui/widgets/screens.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -27,7 +27,7 @@
       :class="{ 'screen-inactive': screen !== idx }"
       class="screen"
     >
-      <h1 style="display: none;">Main Interface</h1>
+      <h1 style="display: none">Main Interface</h1>
 
       <div
         v-if="screenInfo.indicator.message.length > 0"
diff --git a/ui/widgets/status.css b/ui/widgets/status.css
index 0a2444a..1c9e2b9 100644
--- a/ui/widgets/status.css
+++ b/ui/widgets/status.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/status.vue b/ui/widgets/status.vue
index 319d62d..b3ae98b 100644
--- a/ui/widgets/status.vue
+++ b/ui/widgets/status.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -154,7 +154,7 @@ import Chart from "./chart.vue";
 export default {
   components: {
     window: Window,
-    chart: Chart
+    chart: Chart,
   },
   filters: {
     bytePerSecondString(n) {
@@ -204,12 +204,12 @@ export default {
         nUnit +
         "</span>"
       );
-    }
+    },
   },
   props: {
     display: {
       type: Boolean,
-      default: false
+      default: false,
     },
     status: {
       type: Object,
@@ -221,16 +221,16 @@ export default {
           inbound: 0,
           inboundHistory: [],
           outbound: 0,
-          outboundHistory: []
+          outboundHistory: [],
         };
-      }
-    }
+      },
+    },
   },
   data() {
     return {
       inoutBoundMax: 0,
       inboundMax: 0,
-      outboundMax: 0
+      outboundMax: 0,
     };
   },
   methods: {
@@ -245,7 +245,7 @@ export default {
 
       this.inoutBoundMax =
         this.inboundMax > this.outboundMax ? this.inboundMax : this.outboundMax;
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/tab_list.vue b/ui/widgets/tab_list.vue
index e6eba3e..87e6b1e 100644
--- a/ui/widgets/tab_list.vue
+++ b/ui/widgets/tab_list.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -27,13 +27,11 @@
         error:
           tabInfo.indicator.message.length > 0 &&
           tabInfo.indicator.level === 'error',
-        updated: tabInfo.indicator.updated && tab !== idx
+        updated: tabInfo.indicator.updated && tab !== idx,
       }"
       :style="
         'background: ' +
-          (tab === idx
-            ? tabInfo.control.activeColor()
-            : tabInfo.control.color())
+        (tab === idx ? tabInfo.control.activeColor() : tabInfo.control.color())
       "
       @click.self="switchTab(idx)"
     >
@@ -58,20 +56,20 @@ export default {
   props: {
     id: {
       type: String,
-      default: ""
+      default: "",
     },
     tab: {
       type: Number,
-      default: -1
+      default: -1,
     },
     tabs: {
       type: Array,
-      default: () => []
+      default: () => [],
     },
     tabsClass: {
       type: String,
-      default: ""
-    }
+      default: "",
+    },
   },
   watch: {
     tab(newVal) {
@@ -83,7 +81,7 @@ export default {
       }
 
       this.switchTabTo(newVal.length - 1);
-    }
+    },
   },
   methods: {
     switchTabTo(index) {
@@ -112,7 +110,7 @@ export default {
     },
     closeAt(index) {
       this.$emit("close", index);
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/tab_window.css b/ui/widgets/tab_window.css
index 4bda215..6bd7f68 100644
--- a/ui/widgets/tab_window.css
+++ b/ui/widgets/tab_window.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/tab_window.vue b/ui/widgets/tab_window.vue
index 3599a82..3673d57 100644
--- a/ui/widgets/tab_window.vue
+++ b/ui/widgets/tab_window.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -47,25 +47,25 @@ import TabList from "./tab_list.vue";
 export default {
   components: {
     window: Window,
-    "tab-list": TabList
+    "tab-list": TabList,
   },
   props: {
     display: {
       type: Boolean,
-      default: false
+      default: false,
     },
     tab: {
       type: Number,
-      default: -1
+      default: -1,
     },
     tabs: {
       type: Array,
-      default: () => []
+      default: () => [],
     },
     tabsClass: {
       type: String,
-      default: ""
-    }
+      default: "",
+    },
   },
   watch: {
     tabs(newV) {
@@ -74,7 +74,7 @@ export default {
       }
 
       this.$emit("display", false);
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/tabs.vue b/ui/widgets/tabs.vue
index 666a827..0c182c3 100644
--- a/ui/widgets/tabs.vue
+++ b/ui/widgets/tabs.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -44,34 +44,34 @@ import TabList from "./tab_list.vue";
 
 export default {
   components: {
-    "tab-list": TabList
+    "tab-list": TabList,
   },
   props: {
     id: {
       type: String,
-      default: ""
+      default: "",
     },
     tab: {
       type: Number,
-      default: -1
+      default: -1,
     },
     tabs: {
       type: Array,
-      default: () => []
+      default: () => [],
     },
     tabsClass: {
       type: String,
-      default: ""
+      default: "",
     },
     listTriggerClass: {
       type: String,
-      default: ""
-    }
+      default: "",
+    },
   },
   methods: {
     showList() {
       this.$emit("list", this.tabs);
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/widgets/window.css b/ui/widgets/window.css
index a1bc5fb..a5aacde 100644
--- a/ui/widgets/window.css
+++ b/ui/widgets/window.css
@@ -1,7 +1,7 @@
 /*
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/ui/widgets/window.vue b/ui/widgets/window.vue
index 95d64b1..790b84e 100644
--- a/ui/widgets/window.vue
+++ b/ui/widgets/window.vue
@@ -1,7 +1,7 @@
 <!--
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
@@ -40,26 +40,26 @@ export default {
   props: {
     id: {
       type: String,
-      default: ""
+      default: "",
     },
     display: {
       type: Boolean,
-      default: false
+      default: false,
     },
     flashClass: {
       type: String,
-      default: ""
-    }
+      default: "",
+    },
   },
   data() {
     return {
-      displaying: false
+      displaying: false,
     };
   },
   watch: {
     display(newVal) {
       newVal ? this.show() : this.hide();
-    }
+    },
   },
   methods: {
     show() {
@@ -71,7 +71,7 @@ export default {
       this.displaying = false;
 
       this.$emit("display", this.displaying);
-    }
-  }
+    },
+  },
 };
 </script>
diff --git a/ui/xhr.js b/ui/xhr.js
index b8645a1..553adcd 100644
--- a/ui/xhr.js
+++ b/ui/xhr.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as
diff --git a/webpack.config.js b/webpack.config.js
index d0eab85..41ab539 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,6 +1,6 @@
 // Sshwifty - A Web SSH client
 //
-// Copyright (C) 2019-2020 Rui NI <nirui@gmx.com>
+// Copyright (C) 2019-2021 Ni Rui <nirui@gmx.com>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as