diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38b5a29..c0fde10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [0.8.0] (2019-06-01)
 
 * 增加 `kanji.txt` 日本自造汉字的拼音数据 via [#32]. Thanks [@LuoZijun](https://github.com/LuoZijun)
+* 去掉几个有误的轻声数据
 
 
 ## [0.7.0] (2019-03-31)
diff --git a/overwrite.txt b/overwrite.txt
index 1233c6f..88f88cc 100644
--- a/overwrite.txt
+++ b/overwrite.txt
@@ -42,3 +42,6 @@ U+275C8: nú  # 𧗈
 U+47C1: xiāo,chāo  # 䟁
 U+9EBF: mí  # 麿
 U+7C17: zhù  # 簗
+U+8279: cǎo  # 艹
+U+88CF: lǐ  # 裏
+U+88E1: lǐ  # 裡
diff --git a/pinyin.txt b/pinyin.txt
index 79b13c1..9597986 100644
--- a/pinyin.txt
+++ b/pinyin.txt
@@ -19188,7 +19188,7 @@ U+8275: pīng  # 艵
 U+8276: yàn  # 艶
 U+8277: yàn  # 艷
 U+8278: cǎo  # 艸
-U+8279: cao  # 艹
+U+8279: cǎo  # 艹
 U+827A: yì  # 艺
 U+827B: lè,jí  # 艻
 U+827C: tīng,dǐng  # 艼
@@ -20810,7 +20810,7 @@ U+88CB: shù  # 裋
 U+88CC: jiá,jiā,xié  # 裌
 U+88CD: kǔn  # 裍
 U+88CE: chéng,chěng  # 裎
-U+88CF: lǐ,li  # 裏
+U+88CF: lǐ  # 裏
 U+88D0: juān  # 裐
 U+88D1: shēn  # 裑
 U+88D2: póu,bāo  # 裒
@@ -20828,7 +20828,7 @@ U+88DD: zhuāng  # 裝
 U+88DE: shuì  # 裞
 U+88DF: shā  # 裟
 U+88E0: qún  # 裠
-U+88E1: lǐ,li  # 裡
+U+88E1: lǐ  # 裡
 U+88E2: lián,shāo  # 裢
 U+88E3: liǎn  # 裣
 U+88E4: kù  # 裤