diff --git a/Deployment.md b/Deployment.md
index 9312f42cca00fd8f58d70efe5317730df5f4bf49..f79b3a46ceaa722573d5d07d0a40b864a35c5e8b 100644
--- a/Deployment.md
+++ b/Deployment.md
@@ -74,7 +74,7 @@ git clone https://github.com/running-elephant/datart.git
 
 cd datart
 
-mvn clean package -Dmaven.test.skip=true
+mvn clean package -D maven.test.skip=true
 
 cp ./datart-server-1.0.0-beta.x-install.zip  ${deployment_basedir}