diff --git a/aiotieba_reviewer/__version__.py b/aiotieba_reviewer/__version__.py
index 6a9beea..3d26edf 100644
--- a/aiotieba_reviewer/__version__.py
+++ b/aiotieba_reviewer/__version__.py
@@ -1 +1 @@
-__version__ = "0.4.0"
+__version__ = "0.4.1"
diff --git a/aiotieba_reviewer/reviewer/posts/producer.py b/aiotieba_reviewer/reviewer/posts/producer.py
index fa7bf4f..76f8fdd 100644
--- a/aiotieba_reviewer/reviewer/posts/producer.py
+++ b/aiotieba_reviewer/reviewer/posts/producer.py
@@ -24,11 +24,12 @@ async def __default_producer(thread: Thread) -> List[Post]:
         need_rn = last_floor - len(last_posts)
         if need_rn > 0:
             post_set = set(last_posts.objs)
-            if need_rn <= 30:
+            rn_clamp = 30
+            if need_rn <= rn_clamp:
                 first_posts = await client.get_posts(thread.tid, rn=need_rn, with_comments=True, comment_rn=10)
                 post_set.update(first_posts.objs)
             else:
-                first_posts = await client.get_posts(thread.tid, rn=need_rn, with_comments=True, comment_rn=10)
+                first_posts = await client.get_posts(thread.tid, rn=rn_clamp, with_comments=True, comment_rn=10)
                 post_set.update(first_posts.objs)
                 hot_posts = await client.get_posts(thread.tid, sort=PostSortType.HOT, with_comments=True, comment_rn=10)
                 post_set.update(hot_posts.objs)
diff --git a/docs/tutorial/cmd_handler_dev.md b/docs/tutorial/cmd_handler_dev.md
index 7f092d2..587876c 100644
--- a/docs/tutorial/cmd_handler_dev.md
+++ b/docs/tutorial/cmd_handler_dev.md
@@ -2,20 +2,46 @@
 
 ## 配置文件
 
+在当前工作目录下新建配置文件`account.toml`，并参考下列案例填写你自己的配置
+
+```toml
+[my_account_0]
+BDUSS = "账号0的BDUSS"
+
+[my_account_1]
+BDUSS = "账号1的BDUSS"
+
+[my_account_2]
+BDUSS = "账号2的BDUSS"
+```
+
+在当前工作目录下新建配置文件`database.toml`，并参考下列案例填写你自己的配置
+
+```toml
+host = "127.0.0.1"
+port = 3306
+user = ""                                 # 填用户名
+password = ""                             # 填密码
+db = "aiotieba"                           # 使用的数据库名，不填则默认为aiotieba
+unix_socket = "/var/lib/mysql/mysql.sock" # 用于优化linux系统的本机连接速度，看不懂就不用填
+pool_recycle = 3600                       # 填连接超时的秒数，需要与服务端保持一致，不填则默认为28800秒
+ssl_cafile = "/path/to/your/cacert.file"  # 用于加密连接的CA证书的路径
+```
+
 在当前工作目录下新建配置文件`cmd_handler.toml`，并参考下列案例填写你自己的配置
 
 ```toml
-listener = "listener"  # 在这里填用于监听at信息的账号的BDUSS_key
+listener = "my_account_1"  # 在这里填用于监听at信息的账号的BDUSS_key
 
 [[Forum]]
 fname = "lol半价"  # 在这里填贴吧名
-admin = "default"  # 在这里填用于在该吧行使吧务权限的账号的BDUSS_key
-speaker = "default"  # 在这里填用于在该吧发送回复的账号的BDUSS_key
+admin = "my_account_0"  # 在这里填用于在该吧行使吧务权限的账号的BDUSS_key
+speaker = "my_account_2"  # 在这里填用于在该吧发送回复的账号的BDUSS_key
 
 [[Forum]]
 fname = "抗压背锅"  # 在这里填另一个贴吧名
-admin = "default"  # 在这里填用于在该吧行使吧务权限的账号的BDUSS_key
-speaker = "default"  # 在这里填用于在该吧发送回复的账号的BDUSS_key
+admin = "my_account_1"  # 在这里填用于在该吧行使吧务权限的账号的BDUSS_key
+speaker = "my_account_1"  # 在这里填用于在该吧发送回复的账号的BDUSS_key
 ```
 
 ## 运行脚本
diff --git a/docs/tutorial/cmd_handler_user.md b/docs/tutorial/cmd_handler_user.md
index 2a2c3a5..8207075 100644
--- a/docs/tutorial/cmd_handler_user.md
+++ b/docs/tutorial/cmd_handler_user.md
@@ -24,7 +24,7 @@
 
 再输入
 
-**指令类型**: [`drop`](#drop--drop3--drop1-删封)<br>
+**指令类型**: [`drop`](#drop-删封)<br>
 **参数1**: `test1234` (可选的封禁理由)
 
 并发布回复
@@ -55,7 +55,7 @@
 先`@v_guard`并确保@变蓝<br>
 再输入
 
-**指令类型**: [`block`](#block--block3--block1-封禁)<br>
+**指令类型**: [`block`](#block-封禁)<br>
 **参数1**: `刚刚复制的那坨东西` (用户id: 包含[tieba_uid](https://aiotieba.cc/tutorial/start#tieba_uid)的字符串)
 
 点击回复
@@ -76,7 +76,7 @@
 先`@v_guard`并确保@变蓝<br>
 再输入
 
-**指令类型**: [`drop3`](#drop--drop3--drop1-删封)
+**指令类型**: [`drop3`](#drop-删封)
 
 点击回复
 
@@ -124,7 +124,7 @@
 @v_guard <指令类型> [参数1] [参数2] ...
 ```
 
-例如在封禁指令[`block`](#block--block3--block1-封禁)
+例如在封禁指令[`block`](#block-封禁)
 
 ```text
 @v_guard block 李彦宏 封禁测试
@@ -267,22 +267,22 @@
 
 ---
 
-### block & block3 & block1 封禁
+### block 封禁
 
 ```text
 @v_guard block [id] [reason]
-@v_guard block3 [id] [reason]
-@v_guard block1 [id] [reason]
+@v_guard blockx [id] [reason]
 ```
 
 ***功能***
 
 block: *封禁*`id`对应的用户10天<br>
-block3: *封禁*`id`对应的用户3天<br>
-block1: *封禁*`id`对应的用户1天
+blockx: *封禁*`id`对应的用户x天，x是1~90的任意整数
 
 ***参数说明***
 
+`x`: 若吧务账号无svip则仅可封禁1/3/10天，分别对应`block1` `block3` `block/block10`。若因无svip导致封禁失败则会再次尝试封禁10天
+
 `reason`: 可选参数，封禁理由
 
 `id`: [`用户名`](https://aiotieba.cc/tutorial/start#user_name)或[`portrait`](https://aiotieba.cc/tutorial/start#portrait)或包含[`tieba_uid`](https://aiotieba.cc/tutorial/start#tieba_uid)的字符串或包含[`user_id`](https://aiotieba.cc/tutorial/start#user_id)的字符串，它们都可以用来唯一地确定一个贴吧用户
@@ -348,12 +348,11 @@ block1: *封禁*`id`对应的用户1天
 
 ---
 
-### drop & drop3 & drop1 删封
+### drop 删封
 
 ```text
 @v_guard drop [reason]
-@v_guard drop3 [reason]
-@v_guard drop1 [reason]
+@v_guard dropx [reason]
 ```
 
 ***功能***
@@ -362,12 +361,13 @@ block1: *封禁*`id`对应的用户1天
 如果这条指令是一条`楼中楼`，那么指令所在回复会被*删除*，并且层主会被*封禁*<br>
 如果这条指令是一条`转发了另一主题帖的主题帖`，那么被转发的主题帖会被*删除*，并且该主题帖的楼主会被*封禁*<br>
 drop: 对应10天封禁<br>
-drop3: 对应3天封禁<br>
-drop1: 对应1天封禁<br>
+dropx: 对应x天封禁<br>
 在使用该指令时请**特别注意指令的发送位置**，以免产生意料之外的效果
 
 ***参数说明***
 
+`x`: 若吧务账号无svip则仅可封禁1/3/10天，分别对应`drop1` `drop3` `drop/drop10`。若因无svip导致封禁失败则会再次尝试封禁10天
+
 `reason`: 可选参数，封禁理由
 
 ***能使用该指令的最低权限级别***
@@ -376,7 +376,7 @@ drop1: 对应1天封禁<br>
 
 ***开发者说***
 
-[`block`](#block--block3--block1-封禁)和[`delete`](#delete-删帖)的组合，用于提升删封操作效率
+[`block`](#block-封禁)和[`delete`](#delete-删帖)的组合，用于提升删封操作效率
 
 ---
 
@@ -627,9 +627,9 @@ drop1: 对应1天封禁<br>
 
 ***功能***
 
-如果这条指令是一条`回复`，那么指令所在主题帖会被*删除*，楼主的权限级别会被设为`-5`并*封禁*10天<br>
-如果这条指令是一条`楼中楼`，那么指令所在回复会被*删除*，层主的权限级别会被设为`-5`并*封禁*10天<br>
-如果这条指令是一条`转发了另一主题帖的主题帖`，那么被转发的主题帖会被*删除*，该主题帖的楼主的权限级别会被设为`-5`并*封禁*10天<br>
+如果这条指令是一条`回复`，那么指令所在主题帖会被*删除*，楼主的权限级别会被设为`-5`并*封禁*90天<br>
+如果这条指令是一条`楼中楼`，那么指令所在回复会被*删除*，层主的权限级别会被设为`-5`并*封禁*90天<br>
+如果这条指令是一条`转发了另一主题帖的主题帖`，那么被转发的主题帖会被*删除*，该主题帖的楼主的权限级别会被设为`-5`并*封禁*90天<br>
 在使用该指令时请**特别注意指令的发送位置**，以免产生意料之外的效果<br>
 修改权限时，操作者的权限级别必须大于被操作者的权限级别。若操作者权限不足则修改权限的请求被拒绝而其余请求正常执行
 
@@ -643,7 +643,7 @@ drop1: 对应1天封禁<br>
 
 ***开发者说***
 
-指令[`block`](#block--block3--block1-封禁) [`delete`](#delete-删帖) [`black`](#black-黑名单)的组合，用于提升删封循操作效率
+指令[`block`](#block-封禁) [`delete`](#delete-删帖) [`black`](#black-黑名单)的组合，用于提升删封循操作效率
 
 ---
 
diff --git a/docs/tutorial/config.md b/docs/tutorial/config.md
deleted file mode 100644
index 7c48c6a..0000000
--- a/docs/tutorial/config.md
+++ /dev/null
@@ -1,31 +0,0 @@
-# 配置文件参考
-
-## 完整案例
-
-```toml
-# aiotieba.toml
-[User]
-
-# default是自定义的BDUSS_key，你可以改成你喜欢的标识
-# 该设计是为了方便通过BDUSS_key快速调用BDUSS，这样你就不用每次都填一串很长的东西作为参数
-[User.default]
-# 把你的那一串长长的BDUSS放在这
-BDUSS = "W5RNUVKai2LdUd5TTVHblhFeXoxdGyOVURGUE1OYzNqVXVRaWF-HnpGckRCNFJnRVFBQUFBJCQAAAAAAAAAAAEAAADiglQb0f3Osqmv0rbJ2QAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMN6XGDDelxgc"
-# 可以不填，一些网页端接口会需要STOKEN
-STOKEN = "b77bf99815618155cb661f8b78b06f4d91fd44fd83d8881b0fc279916e67cedb"
-
-# 如果要另新增一个BDUSS_key为other的用户，参考如下配置
-[User.other]
-BDUSS = ""
-STOKEN = ""
-
-[Database]
-host = "127.0.0.1"
-port = 3306
-user = ""                                 # 填用户名
-password = ""                             # 填密码
-db = "aiotieba"                           # 使用的数据库名，不填则默认为aiotieba
-unix_socket = "/var/lib/mysql/mysql.sock" # 用于优化linux系统的本机连接速度，看不懂就不用填
-pool_recycle = 3600                       # 填连接超时的秒数，需要与服务端保持一致，不填则默认为28800秒
-ssl_cafile = "/path/to/your/cacert.file"  # 用于加密连接的CA证书的路径
-```
diff --git a/docs/tutorial/reviewer.md b/docs/tutorial/reviewer.md
index 69d5a79..ae1a16c 100644
--- a/docs/tutorial/reviewer.md
+++ b/docs/tutorial/reviewer.md
@@ -33,7 +33,7 @@
 ## 使用方法
 
 1. 首先，你需要一个`MySQL`数据库，用来缓存通过检测的内容id以及记录用户权限级别（黑、白名单）
-1. 参考[**该教程**](config.md)，填写`Database`字段，以便aiotieba使用你的`MySQL`数据库。aiotieba将会在你第一次调用特定方法时自动创建数据库表，因此你无须手动建表
+1. 参考[**该教程**](cmd_handler_dev.md)，填写`database.toml`字段，以便aiotieba-reviewer使用你的`MySQL`数据库。在你第一次调用特定方法时会自动创建数据库表，因此你无须手动建表
 1. 自定义审查行为：请参照我给出的例子自己编程修改[reviewer_example.py](https://github.com/Starry-OvO/aiotieba-reviewer/blob/develop/examples/reviewer_example.py)
 1. 运行`your_reviewer.py`
 
diff --git a/examples/cmd_handler.py b/examples/cmd_handler.py
index ad4b742..b0c82cc 100644
--- a/examples/cmd_handler.py
+++ b/examples/cmd_handler.py
@@ -6,14 +6,12 @@
 from typing import Protocol, Tuple, Union
 
 import aiotieba as tb
-import async_timeout
+import aiotieba_reviewer as tbr
 from aiotieba.api.get_ats import At
 from aiotieba.api.get_comments._classdef import Contents_cp
 from aiotieba.api.get_posts._classdef import Contents_p, Contents_pt
-from aiotieba.config import tomllib
 from aiotieba.logging import get_logger as LOG
-
-import aiotieba_reviewer as tbr
+from aiotieba_reviewer.config import tomllib
 
 tb.logging.enable_filelog()
 
@@ -59,28 +57,22 @@ def allow_execute(self) -> bool:
 
 class TypeParent(Protocol):
     @property
-    def fid(self) -> int:
-        ...
+    def fid(self) -> int: ...
 
     @property
-    def fname(self) -> str:
-        ...
+    def fname(self) -> str: ...
 
     @property
-    def tid(self) -> int:
-        ...
+    def tid(self) -> int: ...
 
     @property
-    def pid(self) -> int:
-        ...
+    def pid(self) -> int: ...
 
     @property
-    def author_id(self) -> int:
-        ...
+    def author_id(self) -> int: ...
 
     @property
-    def contents(self) -> Union[Contents_pt, Contents_p, Contents_cp]:
-        ...
+    def contents(self) -> Union[Contents_pt, Contents_p, Contents_cp]: ...
 
 
 class Context(object):
@@ -244,7 +236,7 @@ class Listener(object):
     ]
 
     def __init__(self) -> None:
-        self.listener = tb.Client(LISTEN_CONFIG['listener'])
+        self.listener = tb.Client(account=tbr.get_account(LISTEN_CONFIG['listener']))
         self.admins = {}
         self.time_recorder = TimerRecorder(3600 * 12, 10)
 
@@ -278,11 +270,11 @@ async def get_admin(self, fname: str) -> Tuple[tb.Client, tbr.MySQLDB, tb.Client
             if cfg is None:
                 raise ValueError(f"找不到管理员. fname={fname}")
 
-            admin = tb.Client(cfg['admin'])
+            admin = tb.Client(account=tbr.get_account(cfg['admin']))
             await admin.__aenter__()
             admin_db = tbr.MySQLDB(fname)
             await admin_db.__aenter__()
-            speaker = tb.Client(cfg['speaker'])
+            speaker = tb.Client(account=tbr.get_account(cfg['speaker']))
             await speaker.__aenter__()
 
             tup = admin, admin_db, speaker
@@ -300,8 +292,14 @@ async def __fetch_and_execute_cmds(self) -> None:
             await asyncio.gather(*[self._execute_cmd(at) for at in ats])
 
     async def _execute_cmd(self, at: At) -> None:
-        async with async_timeout.timeout(120.0):
+        async with asyncio.timeout(120.0):
             ctx = Context(at)
+            if ctx.cmd_type.startswith('block'):
+                await self.cmd_block(ctx)
+                return
+            if ctx.cmd_type.startswith('drop'):
+                await self.cmd_drop(ctx)
+                return
             cmd_func = getattr(self, f'cmd_{ctx.cmd_type}', self.cmd_default)
             await cmd_func(ctx)
 
@@ -406,39 +404,18 @@ async def cmd_unhide(self, ctx: Context) -> None:
     @check_and_log(need_permission=2, need_arg_num=1)
     async def cmd_block(self, ctx: Context) -> None:
         """
-        block指令
-        通过id封禁对应用户10天
-        """
-
-        await self.__cmd_block(ctx, 10)
-
-    @check_and_log(need_permission=2, need_arg_num=1)
-    async def cmd_block3(self, ctx: Context) -> None:
-        """
-        block3指令
-        通过id封禁对应用户3天
-        """
-
-        await self.__cmd_block(ctx, 3)
-
-    @check_and_log(need_permission=2, need_arg_num=1)
-    async def cmd_block1(self, ctx: Context) -> None:
-        """
-        block1指令
-        通过id封禁对应用户1天
-        """
-
-        await self.__cmd_block(ctx, 1)
-
-    async def __cmd_block(self, ctx: Context, day: int) -> None:
-        """
-        封禁用户
+        blockx指令
+        通过id封禁对应用户x天
         """
 
+        day = int(d) if (d := ctx.cmd_type.removeprefix('block')) else 10
         user = await self.__arg2user_info(ctx.args[0])
         note = ctx.args[1] if len(ctx.args) > 1 else ctx.note
 
-        if await ctx.admin.block(ctx.fname, user.portrait, day=day, reason=note):
+        success = await ctx.admin.block(ctx.fname, user.portrait, day=day, reason=note)
+        if isinstance(success.err, tb.exception.TiebaServerError) and success.err.code == 3150003:
+            success = await ctx.admin.block(ctx.fname, user.portrait, day=10, reason=note)
+        if success:
             await ctx.admin.del_post(ctx.fname, ctx.tid, ctx.pid)
 
     @check_and_log(need_permission=2, need_arg_num=1)
@@ -453,33 +430,6 @@ async def cmd_unblock(self, ctx: Context) -> None:
         if await ctx.admin.unblock(ctx.fname, user.user_id):
             await ctx.admin.del_post(ctx.fname, ctx.tid, ctx.pid)
 
-    @check_and_log(need_permission=2, need_arg_num=0)
-    async def cmd_drop(self, ctx: Context) -> None:
-        """
-        drop指令
-        删帖并封10天
-        """
-
-        await self.__cmd_drop(ctx, 10)
-
-    @check_and_log(need_permission=2, need_arg_num=0)
-    async def cmd_drop3(self, ctx: Context) -> None:
-        """
-        drop3指令
-        删帖并封3天
-        """
-
-        await self.__cmd_drop(ctx, 3)
-
-    @check_and_log(need_permission=2, need_arg_num=0)
-    async def cmd_drop1(self, ctx: Context) -> None:
-        """
-        drop1指令
-        删帖并封1天
-        """
-
-        await self.__cmd_drop(ctx, 1)
-
     async def __cmd_drop(self, ctx: Context, day: int = 0) -> None:
         """
         封禁用户并删除父级
@@ -500,7 +450,19 @@ async def __cmd_drop(self, ctx: Context, day: int = 0) -> None:
         await ctx.admin.del_post(ctx.parent.fid, ctx.parent.tid, ctx.parent.pid)
         await ctx.admin.del_post(ctx.fname, ctx.tid, ctx.pid)
         if day:
-            await ctx.admin.block(ctx.parent.fid, ctx.parent.author_id, day=day, reason=note)
+            ret = await ctx.admin.block(ctx.parent.fid, ctx.parent.author_id, day=day, reason=note)
+            if isinstance(ret.err, tb.exception.TiebaServerError) and ret.err.code == 3150003:
+                await ctx.admin.block(ctx.parent.fid, ctx.parent.author_id, day=10, reason=note)
+
+    @check_and_log(need_permission=2, need_arg_num=0)
+    async def cmd_drop(self, ctx: Context) -> None:
+        """
+        dropx指令
+        删帖并封x天
+        """
+
+        day = int(d) if (d := ctx.cmd_type.removeprefix('drop')) else 10
+        await self.__cmd_drop(ctx, day)
 
     @check_and_log(need_permission=1, need_arg_num=0)
     async def cmd_recommend(self, ctx: Context) -> None:
@@ -613,10 +575,10 @@ async def cmd_reset(self, ctx: Context) -> None:
     async def cmd_exdrop(self, ctx: Context) -> None:
         """
         exdrop指令
-        删帖并将发帖人加入脚本黑名单+封禁十天
+        删帖并将发帖人加入脚本黑名单+封禁90天
         """
 
-        await self.__cmd_drop(ctx, 10)
+        await self.__cmd_drop(ctx, 90)
 
         note = ctx.args[0] if len(ctx.args) > 0 else ctx.note
 
@@ -629,7 +591,7 @@ async def cmd_avada_kedavra(self, ctx: Context) -> None:
         删帖 清空发帖人主页显示的在当前吧的所有主题帖 加入脚本黑名单+封禁十天
         """
 
-        await self.__cmd_drop(ctx, 10)
+        await self.__cmd_drop(ctx, 90)
 
         note = ctx.args[0] if len(ctx.args) > 0 else ctx.note
         user_id = ctx.parent.author_id
@@ -699,9 +661,9 @@ async def cmd_img_set(self, ctx: Context) -> None:
 
         for img in imgs:
             image = await self.listener.get_image(img.src)
-            if image is None:
+            if image.err:
                 continue
-            img_hash = tbr.imgproc.compute_imghash(image)
+            img_hash = tbr.imgproc.compute_imghash(image.img)
             if img_hash == 4412820541203793671:
                 continue
 
@@ -725,9 +687,9 @@ async def cmd_img_reset(self, ctx: Context) -> None:
 
         for img in imgs:
             image = await self.listener.get_image(img.src)
-            if image is None:
+            if image.err:
                 continue
-            img_hash = tbr.imgproc.compute_imghash(image)
+            img_hash = tbr.imgproc.compute_imghash(image.img)
 
             await ctx.admin_db.del_imghash(img_hash)
 
diff --git a/mkdocs.yml b/mkdocs.yml
index fc46cf2..22fbdac 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -26,7 +26,6 @@ nav:
   - 介绍: index.md
   - 教程:
       - 云审查教程: tutorial/reviewer.md
-      - 配置文件参考: tutorial/config.md
       - 指令管理器使用教程: tutorial/cmd_handler_user.md
       - 指令管理器配置教程: tutorial/cmd_handler_dev.md
 
diff --git a/pyproject.toml b/pyproject.toml
index d54fc0d..c5d69c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 ]
 requires-python = ">=3.8,<3.13"
 dependencies = [
-    "aiotieba[img,speedup]<5.0,>=4.0.0",
+    "aiotieba[speedup,img]<5.0,>=4.0.2",
     "aiomysql[rsa]<0.3,>=0.1.0",
     "tomli<3,>=1.1.0;python_version<'3.11'",
 ]