diff --git a/SoftwareTesting/README.md b/SoftwareTesting/README.md
index 56490c82475e9a68916e681ce26d721c845ec7e3..c382af3eab2a7d526d8dd2583842eeb0f3dc01ce 100644
--- a/SoftwareTesting/README.md
+++ b/SoftwareTesting/README.md
@@ -11,3 +11,10 @@
 - [内容](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter2/README.md)
 - [习题](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter2/exercise.md)
 - [参考解答](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter2/answer.md)
+
+
+# 第三章：黑盒测试
+
+- [内容](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter3/README.md)
+- [习题](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter3/exercise.md)
+- [参考解答](https://github.com/2293736867/CSBookNotes/blob/main/SoftwareTesting/Chapter3/answer.md)