插入PDF出现问题

插入PDF

{
	"url" : "/pdf/18J811-1_建筑设计防火规范图示.pdf",
	"scale": 1.5,
	"page": [28,22],
	"rotation": 0
}

为何显示为: UnknownErrorException: The API version “2.12.313” does not match the Worker version “2.5.207”.