diff --git a/CreateEnvironment.sh b/CreateEnvironment.sh
index 8f44896..0a9f231 100755
--- a/CreateEnvironment.sh
+++ b/CreateEnvironment.sh
@@ -21,6 +21,7 @@ sudo make install
 sudo ln -sf /usr/local/bin/cmake  /usr/bin/cmake
 
 # create_ap
+cd /home/300tc/library_source
 sudo git clone https://github.com/oblique/create_ap.git
 cd create_ap
 sudo make install