GetConnect请求接口提示unsolicited response without request

[wengxianxun]

E/flutter (30455): [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: HttpException: Unexpected response (unsolicited response without request).
E/flutter (30455): #0 new _HttpClientConnection. (dart:_http/http_impl.dart:1812:9)
E/flutter (30455): #1 _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (30455): #2 _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (30455): #3 _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (30455): #4 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (30455): #5 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (30455): #6 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:808:19)
E/flutter (30455): #7 _StreamController._add (dart:async/stream_controller.dart:682:7)
E/flutter (30455): #8 _StreamController.add (dart:async/stream_controller.dart:624:5)
E/flutter (30455): #9 _HttpParser._headersEnd (dart:_http/http_parser.dart:408:17)
E/flutter (30455): #10 _HttpParser._doParse (dart:_http/http_parser.dart:740:15)
E/flutter (30455): #11 _HttpParser._parse (dart:_http/http_parser.dart:324:7)
E/flutter (30455): #12 _HttpParser._onData (dart:_http/http_parser.dart:853:5)
E/flutter (30455): #13 _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (30455): #14 _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (30455): #15 _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (30455): #16 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (30455): #17 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (30455): #18 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:808:19)
E/flutter (30455): #19 _StreamController._add (dart:async/stream_controller.dart:682:7)
E/flutter (30455): #20 _StreamController.add (dart:async/stream_controller.dart:624:5)
E/flutter (30455): #21 _Socket._onData (dart:io-patch/socket_patch.dart:2044:41)
E/flutter (30455): #22 _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (30455): #23 _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (30455): #24 _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (30455): #25 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (30455): #26 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (30455): #27 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:808:19)
E/flutter (30455): #28 _StreamController._add (dart:async/stream_controller.dart:682:7)
E/flutter (30455): #29 _StreamController.add (dart:async/stream_controller.dart:624:5)
E/flutter (30455): #30 _RawSecureSocket._sendReadEvent (dart:io/secure_socket.dart:1002:19)
E/flutter (30455): #31 _rootRun (dart:async/zone.dart:1182:47)
E/flutter (30455): #32 _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (30455): #33 _CustomZone.runGuarded (dart:async/zone.dart:997:7)
E/flutter (30455): #34 _CustomZone.bindCallbackGuarded. (dart:async/zone.dart:1037:23)
E/flutter (30455): #35 _rootRun (dart:async/zone.dart:1190:13)
E/flutter (30455): #36 _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (30455): #37 _CustomZone.bindCallback. (dart:async/zone.dart:1021:23)
E/flutter (30455): #38 Timer._createTimer. (dart:async-patch/timer_patch.dart:18:15)
E/flutter (30455): #39 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:397:19)
E/flutter (30455): #40 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:428:5)
E/flutter (30455): #41 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)
E/flutter (30455):