diff --git a/src/wgd.sh b/src/wgd.sh
index 73d3d82..9215bee 100755
--- a/src/wgd.sh
+++ b/src/wgd.sh
@@ -118,7 +118,23 @@ _installPythonVenv(){
 			;;
 		esac
 	else
-		{ sudo apt-get update; sudo apt-get install ${pythonExecutable}-venv;  } &>> ./log/install.txt
+		case "$OS" in
+			ubuntu|debian)
+				{ sudo apt-get update; sudo apt-get install ${pythonExecutable}-venv;  } &>> ./log/install.txt
+			;;
+			centos|fedora|redhat|rehl)
+				if command -v dnf &> /dev/null; then
+					{ sudo dnf install -y ${pythonExecutable}-virtualenv; printf "\n\n"; } >> ./log/install.txt
+				else
+					{ sudo yum install -y ${pythonExecutable}-virtualenv; printf "\n\n"; } >> ./log/install.txt
+				fi
+			;;
+			*)
+				printf "[WGDashboard] %s Sorry, your OS is not supported. Currently the install script only support Debian-based, Red Hat-based OS.\n" "$heavy_crossmark"
+				printf "%s\n" "$helpMsg"
+				kill  $TOP_PID
+			;;
+		esac
 	fi
 	
 	if ! $pythonExecutable -m venv -h > /dev/null 2>&1