fix: search member arc

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/http/member.dart

@@ -356,7 +356,7 @@ class MemberHttp {
       'ps': ps,
       'tid': tid,
       'pn': pn,
-      'keyword': keyword ?? '',
+      if (keyword != null) 'keyword': keyword,
       'order': order,
       'platform': 'web',
       'web_location': '333.1387',
@@ -365,14 +365,15 @@ class MemberHttp {
       'dm_img_str': dmImgStr,
       'dm_cover_img_str': dmCoverImgStr,
       'dm_img_inter': '{"ds":[],"wh":[0,0,0],"of":[0,0,0]}',
-      'w_webid': wwebid,
+      if (wwebid != null) 'w_webid': wwebid,
     });
     var res = await Request().get(
       Api.memberArchive,
       queryParameters: params,
       options: Options(headers: {
         HttpHeaders.userAgentHeader: Request.headerUa(type: 'pc'),
-        HttpHeaders.refererHeader: HttpString.spaceBaseUrl,
+        HttpHeaders.refererHeader:
+            '${HttpString.spaceBaseUrl}/$mid/search?keyword=$keyword',
         'origin': HttpString.spaceBaseUrl,
       }),
     );