问Api请求使用Http请求的get方法。但不知道颤振中的实际问题

EN

Future fetchAlbum() async {
  final token = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOjI4OTksImlzcyI6Imh0dHBzOi8vcG9ydGFsLWFwaS5qb21ha2hhdGEuY29tL2FwaS9hdXRoL2xvZ2luIiwiaWF0IjoxNjMxMjUxNjYwLCJleHAiOjE2MzEzMzgwNjAsIm5iZiI6MTYzMTI1MTY2MCwianRpIjoiNlFEUTZCYnBMT0JhdUJoaSJ9.jAY_2nYxjgsIvXZY5vn0vAr_pwF6UBYbSGZ8wqD0YPQ';
  final response = await http.get(
    Uri.parse('https://portal-api.jomakhata.com/api/getLeaveDetails?token=${token}'),
    // Send authorization headers to the backend.
  );
  final responseJson = jsonDecode(response.body);

  if(response.statusCode==200){
    print("ok");
    print(responseJson);
  }
  else{
    print("error!");
  }

  return responseJson;
}

D/EGL_emulation(19932): app_time_stats: avg=14700.05ms min=577.55ms max=28822.55ms count=2
E/flutter (19932): [ERROR:flutter/lib/ui/ui_dart_state.cc(199)] Unhandled Exception: FormatException: Unexpected character (at character 335)
E/flutter (19932): ...ning":14}],"fiscalYear":"2021-2022"}{"message":"SQLSTATE[22001]: String ...
E/flutter (19932):                                        ^
E/flutter (19932): 
E/flutter (19932): #0      _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1404:5)
E/flutter (19932): #1      _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:869:48)
E/flutter (19932): #2      _parseJson (dart:convert-patch/convert_patch.dart:40:10)
E/flutter (19932): #3      JsonDecoder.convert (dart:convert/json.dart:506:36)
E/flutter (19932): #4      JsonCodec.decode (dart:convert/json.dart:157:41)
E/flutter (19932): #5      jsonDecode (dart:convert/json.dart:96:10)
E/flutter (19932): #6      fetchAlbum (package:test_list/main.dart:51:24)
E/flutter (19932): <asynchronous suspension>
E/flutter (19932):