diff --git a/tools/vagrant/qinling.conf.sample b/tools/vagrant/qinling.conf.sample
index 25d283c6..46456017 100644
--- a/tools/vagrant/qinling.conf.sample
+++ b/tools/vagrant/qinling.conf.sample
@@ -13,7 +13,7 @@ api_workers=1
 function_service_expiration = 86400
 
 [database]
-connection=mysql://root:password@localhost:3306/qinling
+connection=mysql+pymysql://root:password@localhost:3306/qinling
 
 [oslo_messaging_rabbit]
 rabbit_password=password
@@ -23,4 +23,4 @@ auth_enable = false
 
 [kubernetes]
 kube_host = KUBERNETES_API_HOST:KUBERNETES_API_PORT
-qinling_service_address = QINLING_API_ADDRESS
\ No newline at end of file
+qinling_service_address = QINLING_API_ADDRESS