uni get请求data为空,返回了header

{"data":"","statusCode":200,"header":{"_":"HTTP/1.1 200 ","Date":"Mon, 24 Feb 2020 08:31:35 GMT","X-Android-Selected-Protocol":"http/1.1","Content-Length":"0","X-Android-Sent-Millis":"1582533097538","X-Android-Received-Millis":"1582533097629","X-Android-Response-Source":"NETWORK 200"},"errMsg":"request:ok"}