diff --git a/install-mongodb.sh b/install-mongodb.sh
index c48a0da..851a645 100755
--- a/install-mongodb.sh
+++ b/install-mongodb.sh
@@ -5,13 +5,19 @@ echo "Example: setup.sh 4.2"
 
 if [ v$1 != v ]
 then
-  export Version=$1
+  mongoVersion=$1
 else
-  export Version=4.2
+  read -p "Enter mongo version (leave blank for default 4.2) : " mongoVersion
+  if [ ! $mongoVersion ]
+  then
+    echo Use default mongo version 4.2
+    mongoVersion=4.2
+  fi
 fi
 
-curl https://www.mongodb.org/static/pgp/server-$Version.asc | sudo apt-key add -
-echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/$Version main" | sudo tee /etc/apt/sources.list.d/mongodb-org-$Version.list
+
+curl https://www.mongodb.org/static/pgp/server-$mongoVersion.asc | sudo apt-key add -
+echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/$mongoVersion main" | sudo tee /etc/apt/sources.list.d/mongodb-org-$mongoVersion.list
 sudo apt update
 sudo apt install mongodb-org -y
 echo "Enable as system service..."
diff --git a/install-node.sh b/install-node.sh
index 38234aa..3cde153 100755
--- a/install-node.sh
+++ b/install-node.sh
@@ -1,13 +1,18 @@
 #!/bin/bash
 
-echo "Usage: setup.sh [VERSION]"
-echo "Example: setup.sh 10"
+echo "Usage: setup.sh [VERSION(default to 10)]"
+echo "Example: setup.sh 12"
 
 if [ v$1 != v ]
 then
-  export nodeVersion=$1
+  nodeVersion=$1
 else
-  export nodeVersion=10
+  read -p "Enter node version : " nodeVersion
+  if [ ! $nodeVersion ]
+  then
+    echo Use default node version 10
+    nodeVersion=10
+  fi
 fi
 
 sudo apt update