Update Readme.md

Readme.md

@@ -220,7 +220,7 @@ July团队高校讲座PPT
 机器学习十大算法系列
 - CNN笔记：通俗理解卷积神经网络 http://blog.csdn.net/v_july_v/article/details/51812459
 - 结构之法 算法之道ML/DL系列博客：http://blog.csdn.net/v_JULY_v/article/category/1061301
-- 国内首个AI题库陆续发布，「BAT机器学习面试1000题」：http://blog.csdn.net/column/details/17609.html
+- 国内首个AI题库陆续发布，「BAT机器学习面试1000题」：https://www.julyedu.com/questions/interview 
 - 迄今为止，这几篇是我见过阐述最为通俗易懂的文章：①KMP http://blog.csdn.net/v_july_v/article/details/7041827 ，②SVM http://blog.csdn.net/v_july_v/article/details/7624837 ，③CNN https://www.julyedu.com/question/big/kp_id/26/ques_id/2084 ，④RNN https://www.julyedu.com/question/big/kp_id/26/ques_id/1717 ，⑤LSTM https://www.julyedu.com/question/big/kp_id/26/ques_id/1851 ， ⑥物体检测 https://www.julyedu.com/question/big/kp_id/26/ques_id/2103 ， ⑦区块链 https://www.julyedu.com/question/big/kp_id/29/ques_id/2110 。看过无数资料，可能都不如这些好懂。 ​​​​
 
 - 持续更新..