lib/models没有生成文件

[jinlu2010]

执行flutter packages pub run json_model后，lib/models并没有生成文件

PS E:\AndroidStudio\github_client_app> flutter packages pub run json_model Unhandled exception: FormatException: Unexpected character (at line 2, character 18) "enable":true, // 是否启用缓存 ^

#0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1405:5) #1 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:935:48) #2 _parseJson (dart:convert-patch/convert_patch.dart:40:10) #3 JsonDecoder.convert (dart:convert/json.dart:506:36) #4 JsonCodec.decode (dart:convert/json.dart:157:41) #5 generateModelClass. (file:///D:/flutter/.pub-cache/hosted/pub.flutter-io.cn/json_model-1.0.0/bin/json_model.dart:83:24) #6 List.forEach (dart:core-patch/growable_array.dart:410:8) #7 generateModelClass (file:///D:/flutter/.pub-cache/hosted/pub.flutter-io.cn/json_model-1.0.0/bin/json_model.dart:71:12) #8 main (file:///D:/flutter/.pub-cache/hosted/pub.flutter-io.cn/json_model-1.0.0/bin/json_model.dart:46:14) #9 _delayEntrypointInvocation. (dart:isolate-patch/isolate_patch.dart:295:32) #10 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12) pub finished with exit code 255