问php云函数，日志显示成功但是api网关显示返回数据格式不对？

{"errno":403,"error":"Invalid scf response. expected scf response valid JSON."}

返回数据:

"{\"isBase64Encoded\":false,\"statusCode\":200,\"headers\":{\"Content-Type\":\"text\\\/html\"},\"body\":\"113.116.154.46\"}"

日志:

START RequestId: cd64bab3410a9ba135ad4dcc2eba823a

Event RequestId: cd64bab3410a9ba135ad4dcc2eba823a

{"isBase64Encoded":false,"statusCode":200,"headers":{"Content-Type":"text\/html"},"body":"113.116.154.46"} 

END RequestId: cd64bab3410a9ba135ad4dcc2eba823a

Report RequestId: cd64bab3410a9ba135ad4dcc2eba823a Duration:1ms Memory:128MB MemUsage:13.273438MB