diff --git a/docs/15.大数据与MapReduce.md b/docs/15.大数据与MapReduce.md
index cda13be6..3215193c 100644
--- a/docs/15.大数据与MapReduce.md
+++ b/docs/15.大数据与MapReduce.md
@@ -181,7 +181,10 @@ def batchPegasos(dataSet, labels, lam, T, k):
     return w
 ```
 
-[完整代码地址](https://github.com/apachecn/MachineLearning/blob/master/src/python/2.KNN/kNN.py): <https://github.com/apachecn/MachineLearning/blob/master/src/python/2.KNN/kNN.py>
+[完整代码地址](https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/pegasos.py): <https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/pegasos.py>
+
+Node: [MR版本的代码位置](https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/mrSVM.py): <https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/mrSVM.py>
+
 
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