diff --git a/README.md b/README.md
index 2327030..a9aeed7 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 编译命令
 
 ```bash
-cmake .. -DCMAKE_CXX_COMPILER=`which clang++` -DCMAKE_C_COMPILER=`which clang` -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON
+cmake .. -DCMAKE_CXX_COMPILER=`which clang++` -DCMAKE_C_COMPILER=`which clang` -DCMAKE_BUILD_TYPE=release -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON
 ```