求助logstash对request的再次切分

             "response_time" => "response_time=1482135866737",

                 "span_name" => "span_name=GET",

                       "url" => "url=http%3A%2F%2Fv0-client-.test.cn%2Ftest%2Fapi%2Fzhwnl%2Fv3.1%2Fdaily",

                  "trace_id" => "trace_id=4b2fff12-c5d0-454a-9c71-d52037d11d67",

               "http_status" => "http_status=200",

                   "node_id" => "node_id=7a77c687dc9fc2f1ac85ffd86051ad14",

                  "protocol" => "protocol=http",

                 "node_type" => "node_type=client",

                   "span_id" => "span_id=1",

                 "device_id" => "device_id=7a77c687dc9fc2f1ac85ffd86051ad14",

               "result_code" => "result_code=-1",

                       "uid" => "uid=",

                    "params" => "params=",

                  "pspan_id" => "pspan_id="