diff --git a/README.md b/README.md
index 5ae1dd9f19eb5854012e7558aa6370ef538260c5..13af74bb15ff4047ad769934fc8df20b78ea57c3 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ cd re2-rust
 make
 make install
 make test
-g++ ../testinstall.cc -o testinstall -lre2
+g++ testinstall.cc -o testinstall -lre2
 ./testinstall
 ```
 
@@ -33,8 +33,10 @@ Ubuntu 20.04
 $ mkdir build && cd build
 $ cmake ..
 $ make
+$ cd ..
 $ sudo make install
-$ g++ ../testinstall.cc -o testinstall -lre2
+$ make test
+$ g++ testinstall.cc -o testinstall -lre2
 $ ./testinstall
 ```
 
@@ -44,6 +46,7 @@ or
 ``` Shell
 $ make
 $ sudo make install
+$ make test
 ```
 使用rure库: