update Cli-example.sh.

Cli-example.sh

@@ -12,7 +12,7 @@ export AWS_DEFAULT_REGION=cn-northwest-1
 
 
 create table student(name varchar(256),age varchar(256));
-
+aws configure set default.region cn-northwest-1
 
 # Linux 
 aws rds create-db-cluster --db-cluster-identifier sample-cluster --engine aurora-mysql --engine-version 5.7.mysql_aurora.2.07.1 \