message: Modify the description of subDomainSuffix parameter
diff: },
  "subDomainSuffix": {
  "type": "string",
  - "description": "The subDomainSuffix of the application and can not greater than 3 characters."
  + "description": "The subDomainSuffix of the application."
  },
  "disableGatewayAuth": {
  "type": "boolean",
  