diff --git a/bin/15_test.sh b/bin/15_test.sh
deleted file mode 100644
index 17c87655..00000000
--- a/bin/15_test.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-
-# # 测试 Mapper
-# # Linux
-# cat input/15.BigData_MapReduce/inputFile.txt | python src/python/15.BigData_MapReduce/mrMeanMapper.py
-# # # Window
-# # python src/python/15.BigData_MapReduce/mrMeanMapper.py < input/15.BigData_MapReduce/inputFile.txt
-
-# # 测试 Reducer
-# # Linux
-# cat input/15.BigData_MapReduce/inputFile.txt | python src/python/15.BigData_MapReduce/mrMeanMapper.py | python src/python/15.BigData_MapReduce/mrMeanReducer.py
-# # # Window
-# # python src/python/15.BigData_MapReduce/mrMeanMapper.py < input/15.BigData_MapReduce/inputFile.txt | python src/python/15.BigData_MapReduce/mrMeanReducer.py
-
-# 测试 mrjob的案例
-# 先测试一下mapper方法
-# python src/python/15.BigData_MapReduce/mrMean.py --mapper < input/15.BigData_MapReduce/inputFile.txt
-# 运行整个程序，移除 --mapper 就行
-python src/python/15.BigData_MapReduce/mrMean.py < input/15.BigData_MapReduce/inputFile.txt