diff --git a/zero-framework.el b/zero-framework.el
index a19b461b8d86b0ae6644a6b62a121c663f0ec203..e92c13360953ecbc8b55945f71827f4ed7bf2e0f 100644
--- a/zero-framework.el
+++ b/zero-framework.el
@@ -1,8 +1,6 @@
 ;;; -*- lexical-binding: t -*-
 ;;; zero-framework.el --- zero Chinese input method framework
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
@@ -129,7 +127,7 @@ if item is not in lst, return nil"
 
 ;; zero-el version
 (defvar zero-version nil "zero-el package version")
-(setq zero-version "1.0.2")
+(setq zero-version "1.0.3")
 
 ;; FSM state
 (defconst *zero-state-im-off* 'IM-OFF)
diff --git a/zero-panel.el b/zero-panel.el
index a83c486199ed3ff1872aee5532e928cdebbe1784..3fffd0a287b138a4600434ee1f5bc4f3793f40f3 100644
--- a/zero-panel.el
+++ b/zero-panel.el
@@ -1,8 +1,6 @@
 ;;; -*- lexical-binding: t -*-
 ;;; zero-panel --- provide emacs interface for zero-panel dbus service.
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
diff --git a/zero-pinyin-service.el b/zero-pinyin-service.el
index 9f0b2ceb5e5f4f4bb5b746e6be838d549bad8aeb..7ea1c4d42ebff6b244415d2adc42a2b1f8764cd4 100644
--- a/zero-pinyin-service.el
+++ b/zero-pinyin-service.el
@@ -1,8 +1,6 @@
 ;;; -*- lexical-binding: t -*-
 ;;; zero-pinyin-service.el --- provide emacs interface for zero-pinyin-service dbus service.
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
diff --git a/zero-pinyin.el b/zero-pinyin.el
index aebb73fe159c9de8455193ffc0b409bf6576d1a7..16d1b2ec3c4fdf7e397e2a3e9e6baae1a2ab36cc 100644
--- a/zero-pinyin.el
+++ b/zero-pinyin.el
@@ -1,8 +1,6 @@
 ;;; -*- lexical-binding: t -*-
 ;;; zero-pinyin.el --- a pinyin input method for zero-framework
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
diff --git a/zero-quickdial.el b/zero-quickdial.el
index 17f51386f6cdae79bf246118d832ef9b25800472..db4928ea34d4317dad1789be7cbf1a6c53acec81 100644
--- a/zero-quickdial.el
+++ b/zero-quickdial.el
@@ -1,8 +1,6 @@
 ;;; -*- lexical-binding: t -*-
 ;;; zero-quickdial --- quickdial input method written as an emacs minor mode.
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
diff --git a/zero-reload-all.el b/zero-reload-all.el
index c31137c67ecf8998d24962dc20422f45bc14f943..8e1465a5390adc3a8c74ffc684a9251634d32aad 100644
--- a/zero-reload-all.el
+++ b/zero-reload-all.el
@@ -1,8 +1,6 @@
 ;;; -*- no-byte-compile: t; -*-
 ;;; zero-reload-all.el --- reload zero-el in correct order
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at
diff --git a/zero-table.el b/zero-table.el
index 7543dfee3655d641a1ad5e763561b76f5e2d1537..6f96580dc3aed277b2cba7731fc930cc5bee0abd 100644
--- a/zero-table.el
+++ b/zero-table.el
@@ -1,8 +1,6 @@
 ;;; -*- no-byte-compile: t; -*-
 ;;; zero-table.el --- a demo table based input method based on zero-framework.el
 
-;; Copyright 2019 Yuanle Song <sylecn@gmail.com>
-;;
 ;; Licensed under the Apache License, Version 2.0 (the "License");
 ;; you may not use this file except in compliance with the License.
 ;; You may obtain a copy of the License at