diff --git a/plugins/tidb/install.sh b/plugins/tidb/install.sh
index c9a63009f..ee77205c1 100755
--- a/plugins/tidb/install.sh
+++ b/plugins/tidb/install.sh
@@ -55,7 +55,7 @@ Install_App()
 	fi
 
 	if [ ! -f $serverPath/source/tidb/${tgz_toolkit_name} ];then
-		wget -O $serverPath/source/tidb/${tgz_name} https://download.pingcap.org/${tgz_toolkit_name}
+		wget -O $serverPath/source/tidb/${tgz_toolkit_name} https://download.pingcap.org/${tgz_toolkit_name}
 	fi
 
 	if [ ! -d  $serverPath/source/tidb/${tgz_toolkit_name} ];then