I tried other templates from the net but still getting the same error. Error
消息：模板包含错误。：模板格式错误：必须至少定义一个资源成员。
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "TTND AWS CloudFormation template to launch first instance",
"Parameters" : {
"KeyName" : {
"Description" : "EC2 Key Pair for SSH Access",
"Default" : "sample",
"MinLength": "1",
"MaxLength": "64",
"AllowedPattern" : "[-_ a-zA-Z0-9]*",
"ConstraintDescription" : "can contain only alphanumeric characters, spaces, dashes and underscores."
},
"InstanceType" : {
"Description" : "Instance1 EC2 instance type",
"Type" : "String",
"Default" : …