diff --git a/aiotieba/api/get_threads/_api.py b/aiotieba/api/get_threads/_api.py
index 6f359abf..0bc9599e 100644
--- a/aiotieba/api/get_threads/_api.py
+++ b/aiotieba/api/get_threads/_api.py
@@ -1,6 +1,6 @@
 import yarl
 
-from ...const import APP_BASE_HOST
+from ...const import APP_BASE_HOST, MAIN_VERSION
 from ...core import HttpCore, WsCore
 from ...exception import TiebaServerError
 from ._classdef import Threads
@@ -12,11 +12,11 @@
 def pack_proto(fname: str, pn: int, rn: int, sort: int, is_good: bool) -> bytes:
     req_proto = FrsPageReqIdl_pb2.FrsPageReqIdl()
     req_proto.data.common._client_type = 2
-    req_proto.data.common._client_version = "12.64.1.1"
+    req_proto.data.common._client_version = MAIN_VERSION
     req_proto.data.kw = fname
-    req_proto.data.pn = pn
-    req_proto.data.rn = 13
-    req_proto.data.rn_need = rn if rn > 0 else 1
+    req_proto.data.pn = 0 if pn == 1 else pn
+    req_proto.data.rn = rn
+    req_proto.data.rn_need = rn + 5
     req_proto.data.is_good = is_good
     req_proto.data.sort_type = sort
 
diff --git a/aiotieba/client.py b/aiotieba/client.py
index 5f0cc40f..e9091a81 100644
--- a/aiotieba/client.py
+++ b/aiotieba/client.py
@@ -417,7 +417,7 @@ async def get_threads(
         /,
         pn: int = 1,
         *,
-        rn: int = 13,
+        rn: int = 30,
         sort: ThreadSortType = ThreadSortType.REPLY,
         is_good: bool = False,
     ) -> get_threads.Threads:
@@ -427,7 +427,7 @@ async def get_threads(
         Args:
             fname_or_fid (str | int): 贴吧名或fid 优先贴吧名
             pn (int, optional): 页码. Defaults to 1.
-            rn (int, optional): 请求的条目数. Defaults to 13. Max to 13.
+            rn (int, optional): 请求的条目数. Defaults to 30. Max to 100.
             sort (ThreadSortType, optional): HOT热门排序 REPLY按回复时间 CREATE按发布时间 FOLLOW关注的人. Defaults to ThreadSortType.REPLY.
             is_good (bool, optional): True则获取精品区帖子 False则获取普通区帖子. Defaults to False.
 
diff --git a/pyproject.toml b/pyproject.toml
index 0c93cffa..7c316cd5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "aiotieba"
-version = "4.6.0a1"
+version = "4.6.0a2"
 description = "Asynchronous I/O Client for Baidu Tieba"
 authors = [{ name = "lumina37", email = "starry.qvq@gmail.com" }]
 urls = { Repository = "https://github.com/lumina37/aiotieba/", Documentation = "https://aiotieba.cc/" }