diff --git a/README.zh_cn.md b/README.zh_cn.md
index e140a5f..be5567c 100644
--- a/README.zh_cn.md
+++ b/README.zh_cn.md
@@ -42,7 +42,7 @@
 
        |  
 :---------- | :-----
-版权         | 公共领域。
+版权         | 公有领域
 Comanche055 | Part of the source code for Colossus 2A, the Command Module's (CM) Apollo Guidance Computer (AGC) for Apollo 11<br>`Assemble revision 055 of AGC program Comanche by NASA`<br>`2021113-051. 10:28 APR. 1, 1969`
 Luminary099 | Part of the source code for Luminary 1A, the Lunar Module's (LM) Apollo Guidance Computer (AGC) for Apollo 11<br>`Assemble revision 001 of AGC program LYM99 by NASA`<br>`2021112-061. 16:27 JUL. 14, 1969`
 汇编程序     | yaYUL
@@ -50,8 +50,8 @@ Luminary099 | Part of the source code for Luminary 1A, the Lunar Module's (LM) A
 网站         | www.ibiblio.org/apollo
 数字化       | 该源代码从MIT 科学博物馆的印刷本电子化图片抄录、改编而来。电子化工作由 Paul Fjeld 完成，并由该馆的 Deborah Douglas 进一步整理。由衷地感激两位。
 
-### Contract and Approvals
-*Derived from [CONTRACT_AND_APPROVALS.agc]*
+### 协议与许可
+*派生于 [CONTRACT_AND_APPROVALS.agc]*
 
 本 AGC 程序亦可称为: Colossus 2A