diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a1e04f..85b1839 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,15 +24,20 @@ if(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug"))
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 endif()
 
-if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
+#           动态库      静态库           # Ref： https://blog.csdn.net/liuzehn/article/details/78424972
+# Windows    .dll       .lib
+# Linux      .so        .a
+# Mac        .dylib     .a             (.framework 即可能是动态库、也可能是静态库)
+
+if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)   # 设置 可执行文件 目标的输出路径
     set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 endif()
 
-if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)   # 设置动态库的输出目录
     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
 endif()
 
-if(NOT CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
+if(NOT CMAKE_ARCHIVE_OUTPUT_DIRECTORY)   # 设置静态库的输出目录
     set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
 endif()
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9fb03e3..7ad3369 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -40,32 +40,37 @@ if(WIN32)
         qtacryliceffecthelper_win32.cpp
         utilities_win32.cpp
     )
-    if(BUILD_SHARED_LIBS)
-        enable_language(RC)
+    if(BUILD_SHARED_LIBS)                  # 全局变量，默认为 ON，生成动态库；若为 OFF，则生成静态库
+        enable_language(RC)                # 更多是使用 MinGW 需要开启。 当一个语言被启用，CMake为该语言查找编译器，决定一些信息，如编译器的供应商和版本，目标架构和位宽，相应工具的位置等
         list(APPEND SOURCES qtacrylichelper.rc)
     endif()
 endif()
 
+message("------->" ${PROJECT_NAME})
+message("------->" wangwenx190::${PROJECT_NAME})
+
 add_library(${PROJECT_NAME} ${SOURCES})
-add_library(wangwenx190::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
+add_library(wangwenx190::${PROJECT_NAME} ALIAS ${PROJECT_NAME})  # ALIAS 库的别名
 
 target_include_directories(${PROJECT_NAME} PUBLIC
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>"
 )
 
+# 指定目标（exe或者so文件） 编译时，要包含的定义， Ref: https://zhuanlan.zhihu.com/p/82244559
 target_compile_definitions(${PROJECT_NAME} PRIVATE
-    QT_NO_CAST_FROM_ASCII
+    QT_NO_CAST_FROM_ASCII                     # 禁用一切 双引号字符串字面量 传入 QString
     QT_NO_CAST_TO_ASCII
-    QT_NO_KEYWORDS
-    QT_DEPRECATED_WARNINGS
-    QT_DISABLE_DEPRECATED_BEFORE=0x060000
-    QTACRYLICHELPER_BUILD_LIBRARY
+    QT_NO_KEYWORDS                            # 禁止 emit / signals关键字， 可改用 Q_SIGNALS / Q_SLOTS 替换
+    QT_DEPRECATED_WARNINGS                    # 若 Qt 的某些功能被标记为过时的，那么编译器会发出警告
+    QT_DISABLE_DEPRECATED_BEFORE=0x060000     # 禁用 6.0 版本之前已废弃或过时的方法
+    QTACRYLICHELPER_BUILD_LIBRARY             # 自创的一个宏，用在后面 src\qtacrylichelper_global.h 中
 )
 
 target_link_libraries(${PROJECT_NAME} PRIVATE
     Qt${QT_VERSION_MAJOR}::GuiPrivate
 )
 
+# 存在 目标 Qt5：：Widgets，则添加链接 Qt5：：Widgets
 if(TARGET Qt${QT_VERSION_MAJOR}::Widgets)
     target_link_libraries(${PROJECT_NAME} PRIVATE
         Qt${QT_VERSION_MAJOR}::Widgets
@@ -80,18 +85,18 @@ endif()
 
 if(WIN32)
     target_compile_definitions(${PROJECT_NAME} PRIVATE
-        WIN32_LEAN_AND_MEAN
-        _CRT_SECURE_NO_WARNINGS
+        WIN32_LEAN_AND_MEAN             # 仅仅包含常用的 API 的头文件，加快编译速度，效果明显
+        _CRT_SECURE_NO_WARNINGS         # 允许使用 strcpy，scanf等不安全的函数
         UNICODE
         _UNICODE
     )
-    target_link_libraries(${PROJECT_NAME} PRIVATE dwmapi)
+    target_link_libraries(${PROJECT_NAME} PRIVATE dwmapi)    # Microsoft Desktop Window Manager API
 endif()
 
 if(MSVC)
     target_compile_options(${PROJECT_NAME} PRIVATE /utf-8)
     if(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug"))
-        target_compile_options(${PROJECT_NAME} PRIVATE /guard:cf)
+        target_compile_options(${PROJECT_NAME} PRIVATE /guard:cf)  # 此处开启； 默认是关闭，
         target_link_options(${PROJECT_NAME} PRIVATE /GUARD:CF)
     endif()
 endif()