diff --git a/readme.md b/readme.md
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 主要包括：
 
 - [概率统计](https://github.com/datawhalechina/team-learning-data-mining/tree/master/ProbabilityStatistics)
-- [机器学习算法基础]()
+- [机器学习算法基础](https://github.com/datawhalechina/team-learning-data-mining/tree/master/MachineLearningFundamentals)
 - [数据挖掘实践（二手车价格预测）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/SecondHandCarPriceForecast)
 - [数据挖掘实践（房租预测）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/RentForecast)