diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba7efde..bbfe64f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,16 @@
 
 project(QtXlsx LANGUAGES CXX)
 
+if(WIN32)
+  set(CMAKE_PREFIX_PATH "C:/DevelopEnv/Qt/5.15.2/mingw81_64")
+  set(QT_VERSION "5.15.2")
+elseif(UNIX)
+  set(CMAKE_PREFIX_PATH "/home/tian/Qt5.12.3/5.12.3/gcc_64")
+  set(QT_VERSION "5.12.3")
+#  solve program: undefined reference to symbol 'pthread_create@@GLIBC_2.2.5'
+  set(CMAKE_CXX_FLAGS -pthread)
+endif()
+
 include_directories(${CMAKE_PREFIX_PATH}/include/QtCore)
 include_directories(${CMAKE_PREFIX_PATH}/include/QtCore/${QT_VERSION})
 include_directories(${CMAKE_PREFIX_PATH}/include/QtCore/${QT_VERSION}/QtCore)