diff --git a/CMakeLists.txt b/CMakeLists.txt
index 468b02f..47f0878 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,15 +1,21 @@
 cmake_minimum_required(VERSION 3.24)  # 设置cmake最低版本
 
+# 设置 nvcc 的路径
+set(CMAKE_CUDA_COMPILER /usr/local/cuda/bin/nvcc)  # 根据实际安装路径设置
+
+# 设置 nvcc 使用的主机编译器
+set(CMAKE_CUDA_HOST_COMPILER /usr/bin/g++-11)
+
 # 设置 C++ 标准
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_STANDARD_REQUIRED True)
+# set(CMAKE_CXX_STANDARD 20)
+# set(CMAKE_CXX_STANDARD_REQUIRED True)
 # 设置 CUDA C++ 标准
 set(CMAKE_CUDA_STANDARD 20)
 set(CMAKE_CUDA_STANDARD_REQUIRED True)
 set(CMAKE_CUDA_ARCHITECTURES native)  # 设置CUDA架构
 
 # 设置编译选项
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
+# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
 set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -O3 -maxrregcount=128")
 
 project(cuElim LANGUAGES CXX CUDA)  # 设置项目名和语言