diff --git a/ChangeLog.md b/ChangeLog.md
index 2d9ce3f..4263582 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,6 @@
 ## v2.3.5 is coming
 
-1. 适配低级版本的`g++`，已在`g++ 4.4.7`上测试通过。
+1. 适配更低级版本的`g++`和`cmake`，已在`g++ 4.1.2`和`cmake 2.6`上测试通过。
 2. 修改一些测试用例的文件，减少测试时编译的时间。
 
 ## v2.3.4
diff --git a/README.md b/README.md
index f99b4e4..7fe6dfc 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,8 @@
 
 ### 依赖
 
-* g++ (version >= 4.4.7 recommended);
-* cmake (version >= 2.8 recommended);
+* g++ (version >= 4.1 recommended);
+* cmake (version >= 2.6 recommended);
 
 ### 下载和安装
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 98ee947..5a8aaed 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,4 +1,4 @@
-SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/test)
+SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR})
 
 ADD_EXECUTABLE(segment.demo segment.cpp)
 ADD_EXECUTABLE(keyword.demo keyword_demo.cpp)
diff --git a/test/unittest/CMakeLists.txt b/test/unittest/CMakeLists.txt
index 79457cd..ebf0322 100644
--- a/test/unittest/CMakeLists.txt
+++ b/test/unittest/CMakeLists.txt
@@ -1,5 +1,5 @@
-SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/test)
-SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/test/lib)
+SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR})
+SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
 
 SET(GTEST_ROOT_DIR gtest-1.6.0)