opt: request get options

lib/http/danmaku.dart

@@ -17,7 +17,9 @@ class DanmakaHttp {
     var response = await Request().get(
       Api.webDanmaku,
       data: params,
-      extra: {'resType': ResponseType.bytes},
+      options: Options(
+        responseType: ResponseType.bytes,
+      ),
     );
     return DmSegMobileReply.fromBuffer(response.data);
   }

lib/http/init.dart

@@ -209,24 +209,12 @@ class Request {
    */
   get(url, {data, Options? options, cancelToken, extra}) async {
     Response response;
-    options ??= Options(); // 如果 options 为 null，则初始化一个新的 Options 对象
-    ResponseType resType = ResponseType.json;
-
     if (extra != null) {
-      resType = extra['resType'] ?? ResponseType.json;
       if (extra['ua'] != null) {
-        options.headers = {'user-agent': headerUa(type: extra['ua'])};
+        options ??= Options();
-      }
+        options.headers!['user-agent'] = headerUa(type: extra['ua']);
-      if (extra['opus-goback'] != null) {
-        if (extra['opus-goback'] != null) {
-          String cookieHeader = dio.options.headers['cookie'];
-          options.headers!['cookie'] =
-              '$cookieHeader; opus-goback = ${extra['opus-goback']}';
-        }
       }
     }
-    options.responseType = resType;
-
     try {
       response = await dio.get(
         url,

lib/http/read.dart

@@ -65,7 +65,12 @@ class ReadHttp {
   static Future parseArticleCv({required String id}) async {
     var res = await Request().get(
       'https://www.bilibili.com/read/cv$id',
-      extra: {'ua': 'pc', 'opus-goback': '1'},
+      extra: {'ua': 'pc'},
+      options: Options(
+        headers: {
+          'cookie': 'opus-goback=1',
+        },
+      ),
     );
     String scriptContent =
         extractScriptContents(parse(res.data).body!.outerHtml)[0];