diff --git a/CMakeLists.txt b/CMakeLists.txt
index 101df9a1..fd7cc5f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # 并包含子项目。
 #
 message(STATUS "CMake version: ${CMAKE_VERSION}")
-cmake_minimum_required(VERSION 3.26.0)
+cmake_minimum_required(VERSION 3.16.0)
 project(handdleai VERSION 0.1.0)
 string(TIMESTAMP RUN_TIME)
 message( " project start : " ${RUN_TIME})