diff --git a/03.AbstractFactory/2.Code/CMakeLists.txt b/03.AbstractFactory/2.Code/CMakeLists.txt
index ce807c8..ad966c4 100644
--- a/03.AbstractFactory/2.Code/CMakeLists.txt
+++ b/03.AbstractFactory/2.Code/CMakeLists.txt
@@ -1,4 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
+
+# 指定C++版本
 set(CMAKE_CXX_STANDARD 11)
 
 project(AbstractFatory)
@@ -6,5 +8,7 @@ project(AbstractFatory)
 
 set(SRC_LIST main.cpp)
 add_executable(app ${SRC_LIST})
+
+# 指定可执行文件的输出路径，相对路径是相对makefile文件位置的路径
 set(WORK_DIR ../)
 set(EXECUTABLE_OUTPUT_PATH ${WORK_DIR})