diff --git a/zero-input.el b/zero-input.el
index af795a45f9df7e39704316ed3ffa9b0d8e81bab7..8e05b6e21261b9cabd9937e09b4b13347058a5bf 100644
--- a/zero-input.el
+++ b/zero-input.el
@@ -12,9 +12,9 @@
 ;; See the License for the specific language governing permissions and
 ;; limitations under the License.
 
-;; Version: 2.0.0
+;; Version: 2.0.1
 ;; URL: https://gitlab.emacsos.com/sylecn/zero-el
-;; Package-Version: 2.0.0
+;; Package-Version: 2.0.1
 ;; Package-Requires: ((emacs "24.3") (s "1.2.0"))
 
 ;;; Commentary:
@@ -41,7 +41,7 @@
 ;; buffer by C-c , , You can change default Chinese punctuation level:
 ;;
 ;;   (setq-default zero-input-punctuation-level
-;;   *zero-input-punctuation-level-full*)
+;;     zero-input-punctuation-level-full)
 ;;
 ;; zero-input supports full-width mode.  You can toggle full-width mode in
 ;; current buffer by C-c , . You can enable full-width mode by default:
@@ -244,7 +244,7 @@ If item is not in lst, return nil."
 
 ;; zero-input-el version
 (defvar zero-input-version nil "Zero package version.")
-(setq zero-input-version "2.0.0")
+(setq zero-input-version "2.0.1")
 
 ;; FSM state
 (defconst zero-input--state-im-off 'IM-OFF)
@@ -1203,7 +1203,7 @@ You can find the xml file locally at
   :type 'integer
   :group 'zero-input-pinyin)
 
-(defvar zero-input-pinyin-state nil "Zero-Input-pinyin internal state.  could be nil or `*zero-input-pinyin-state-im-partial-commit*'.")
+(defvar zero-input-pinyin-state nil "Zero-input-pinyin internal state.  could be nil or `zero-input-pinyin--state-im-partial-commit'.")
 (defconst zero-input-pinyin--state-im-partial-commit 'IM-PARTIAL-COMMIT)
 
 (defvar zero-input-pinyin-used-preedit-str-lengths nil
@@ -1232,11 +1232,11 @@ You can find the xml file locally at
   (zero-input-pinyin-reset))
 
 (defun zero-input-pinyin-preedit-start ()
-  "Called when enter `*zero-input-state-im-preediting*' state."
+  "Called when enter `zero-input--state-im-preediting' state."
   (define-key zero-input-mode-map [remap digit-argument] 'zero-input-digit-argument))
 
 (defun zero-input-pinyin-preedit-end ()
-  "Called when leave `*zero-input-state-im-preediting*' state."
+  "Called when leave `zero-input--state-im-preediting' state."
   (define-key zero-input-mode-map [remap digit-argument] nil))
 
 (defun zero-input-pinyin-shutdown ()
@@ -1392,7 +1392,7 @@ This is different from zero-input-framework because I need to support partial co
       (zero-input-just-page-down))))
 
 (defun zero-input-pinyin-handle-preedit-char (ch)
-  "Hanlde character insert in `*zero-input-state-im-preediting*' state.
+  "Hanlde character insert in `zero-input--state-im-preediting' state.
 Override `zero-input-handle-preedit-char-default'.
 
 CH the character user typed."
@@ -1431,7 +1431,7 @@ CH the character user typed."
   (zero-input-preedit-str-changed))
 
 (defun zero-input-pinyin-backspace ()
-  "Handle backspace key in `*zero-input-state-im-preediting*' state."
+  "Handle backspace key in `zero-input--state-im-preediting' state."
   (if (eq zero-input-pinyin-state zero-input-pinyin--state-im-partial-commit)
       (zero-input-pinyin-preedit-str-changed)
     (zero-input-backspace-default)))
@@ -1451,7 +1451,7 @@ DIGIT 0 means delete 10th candidate."
        candidate 'zero-input-pinyin-preedit-str-changed))))
 
 (defun zero-input-digit-argument ()
-  "Allow C-<digit> to DeleteCandidate in `*zero-input-state-im-preediting*' state."
+  "Allow C-<digit> to DeleteCandidate in `zero-input--state-im-preediting' state."
   (interactive)
   (unless (eq zero-input-state zero-input--state-im-preediting)
     (error "`zero-input-digit-argument' called in non preediting state"))