example/lib/sample/dio/dio_utils.dart

 import 'package:flutter_clx_base/api/base_dio.dart';
-
 import 'header_interceptor.dart';
 
 class DioUtils extends BaseDio {
@@ -18,4 +17,5 @@ class DioUtils extends BaseDio {
   Interceptor getHeadersInterceptor() {
     return HeaderInterceptor();
   }
+
 }

lib/api/base_dio.dart

@@ -5,6 +5,7 @@ import 'package:flutter_clx_base/api/transformer.dart';
 import 'package:flutter_clx_base/utils/log_utils.dart';
 import 'package:flutter_clx_base/utils/toast_util.dart';
 export 'package:dio/dio.dart';
+export 'package:dio/io.dart';
 
 abstract class BaseDio {
   final dio = Dio(