Revert "版本8"

This reverts commit c290f4cbc7.
1 ay önce · 31f7342859
--- a/cuidai.txt
+++ b/cuidai.txt
@@ -8,4 +8,3 @@
 - 了解单元测试的基本概念
 - 在VS2019平台下熟练掌握单元测试

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