diff --git a/CMakelists.txt b/CMakelists.txt
index f80f03d..dfd6194 100644
--- a/CMakelists.txt
+++ b/CMakelists.txt
@@ -1,69 +1,12 @@
 
-# 0. cmake 最低版本号要求
 cmake_minimum_required(VERSION 3.8)
-
-# 0. 项目信息
 project(demo)
 
-# 2. 添加当前路径
-set(CMAKE_INCLUDE_CURRENT_DIR ON)
-
-# 2. 配置项目
-option(USE_DEMO "use demo application interface" ON)
-set(VERSION "1.0")
-
-# 2. 配置文件
-configure_file(
-    "${PROJECT_SOURCE_DIR}/config.h.in"
-    "${PROJECT_BINARY_DIR}/config.h"
-)
-
-# 2. 配置条件
-if(USE_DEMO)
-    # include_directories(.)
-# else()
-    # pass
-endif(USE_DEMO)
-
-# 0. 查找当前目录下的所有文件，并将名称保存在DIR_SRC中
-aux_source_directory(. DIR_SRC)
-
-# 1. 添加子目录
-add_subdirectory(src)
-
-# 1. 添加头文件路径
-include_directories(src)
-
-# 0. 指定生成目标
-add_executable(demo  ${DIR_SRC})
-
-# 1. 添加链接库
-# 1.A  如果是动态库，修改了安装路径之后，exe就找不到了怎么破？
-# link_directories(${PROJECT_SOURCE_DIR}/lib)
-# target_link_libraries(demo list_d)
-# 1.B 静态库
-target_link_libraries(demo list)
-
-# 3. 配置安装路径
 set(CMAKE_INSTALL_PREFIX "./release")
-install(TARGETS demo DESTINATION bin)
-install (FILES "${PROJECT_BINARY_DIR}/config.h"
-        DESTINATION include)
 
-# # 4. 启用测试
-# enable_testing()
-# # 测试程序是否成功运行
-# add_test (NAME test_demo COMMAND demo 1 2 3 5 8)
-
-# 5. 支持GDB
 set(CMAKE_BUILD_TYPE "Debug")
 set(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g -ggdb")
 set(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} -O3 -Wall")
 
-# 
-# 构建一个 CPack 安装包，windows还得添加打包工具
-# 
-# include (InstallRequiredSystemLibraries)
-# set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/License.txt")
-# set (CPACK_PACKAGE_VERSION_MAJOR "${VERSION}")
-# include (CPack)
+add_subdirectory(library)
+add_subdirectory(src)
diff --git a/config.h.in b/config.h.in
deleted file mode 100644
index 458ea57..0000000
--- a/config.h.in
+++ /dev/null
@@ -1,2 +0,0 @@
-#cmakedefine USE_DEMO 
-#cmakedefine VERSION "@VERSION@"
\ No newline at end of file
diff --git a/library/CMakelists.txt b/library/CMakelists.txt
new file mode 100644
index 0000000..134bf65
--- /dev/null
+++ b/library/CMakelists.txt
@@ -0,0 +1,13 @@
+
+project(class)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+# 当前目录下的文件 -> 写入变量
+aux_source_directory(. SRCS)
+
+# 生成链接库
+add_library(${PROJECT_NAME} SHARED ${SRCS})
+
+# 配置安装库
+install (TARGETS ${PROJECT_NAME} DESTINATION bin)
diff --git a/src/list.c b/library/list.c
similarity index 100%
rename from src/list.c
rename to library/list.c
diff --git a/src/list.h b/library/list.h
similarity index 100%
rename from src/list.h
rename to library/list.h
diff --git a/src/CMakelists.txt b/src/CMakelists.txt
index 60c8c11..218b4cd 100644
--- a/src/CMakelists.txt
+++ b/src/CMakelists.txt
@@ -1,17 +1,14 @@
 
-# 当前目录下的文件 -> 写入变量
-aux_source_directory(. DIR_LIB_SRC)
+project(demo)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-# 生成链接库
-# add_library(list ${DIR_LIB_SRC})
-add_library(list STATIC ${DIR_LIB_SRC})
-add_library(list_d SHARED ${DIR_LIB_SRC})
+aux_source_directory(. SRCS)
 
-# 配置安装头文件
-install (FILES list.h DESTINATION include)
-# 配置安装库
-install (TARGETS list DESTINATION bin)
+add_executable(${PROJECT_NAME}  ${SRCS})
 
-# install (TARGETS list_d DESTINATION bin)
-# install (TARGETS list_d DESTINATION lib)
+target_link_libraries(
+    ${PROJECT_NAME}
+    class
+)
 
+install(TARGETS ${PROJECT_NAME} DESTINATION bin)
diff --git a/main.c b/src/main.c
similarity index 100%
rename from main.c
rename to src/main.c