diff --git a/ChangeLog.md b/ChangeLog.md
index bbedb7ac..debb39a3 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,12 @@
 # ChangeLog
 记录一些值得注意的变更。
 
+## 2022-02-27
+
+- 增加如何生成[测试可执行文件](https://course.rs/test/write-tests.html#生成测试二进制文件)
+- 屏蔽附录中的重点索引，未来集中放入到[快速查询入口中](https://course.rs/index-list.html)
+
+
 ## 2022-02-26
 
 - 对于过程宏为何要放在单独的包的原因进行了[说明](https://course.rs/advance/macro.html#用过程宏为属性标记生成代码)
diff --git a/contents/SUMMARY.md b/contents/SUMMARY.md
index 3033dbde..95b5bf2c 100644
--- a/contents/SUMMARY.md
+++ b/contents/SUMMARY.md
@@ -248,9 +248,9 @@
     - [C-表达式](appendix/expressions.md)
     - [D-派生特征derive](appendix/derive.md)
     - [E-prelude模块 todo](appendix/prelude.md)
-    - [F-难点索引](appendix/difficulties.md)
-    - [G-Rust版本说明](appendix/rust-version.md)
-    - [H-Rust更新版本列表](appendix/rust-versions/intro.md)
+    <!-- - [F-难点索引](appendix/difficulties.md) -->
+    - [F-Rust版本说明](appendix/rust-version.md)
+    - [G-Rust更新版本列表](appendix/rust-versions/intro.md)
       - [1.58](appendix/rust-versions/1.58.md)
       - [1.59](appendix/rust-versions/1.59.md)