diff --git a/shift/DES.md b/shift/DES.md
index 32c91d2..9a2a100 100644
--- a/shift/DES.md
+++ b/shift/DES.md
@@ -2,18 +2,24 @@
 
 指令：,shift
 
-# 设置转发
+## 使用方法
+
+### 设置转发
 
 当收到 from_channel_id 的新消息时，自动转发到 to_channel_id。
 
 需要加入 from_channel_id 和 to_channel_id。
 
-`, shift set [from channel_id] [to channel_id]`
+`, shift set [from channel_id] [to channel_id] (silent)`
 
-# 取消转发
+### 取消转发
 
 `, shift del [from channel_id]`
 
-# 备份频道
+### 备份频道
 
-`, shift backup [from channel_id] [to channel_id]`
\ No newline at end of file
+`, shift backup [from channel_id] [to channel_id] (silent)`
+
+## 选项解释
+
+- `silent`: 禁用通知
diff --git a/shift/main.py b/shift/main.py
index ae7b8f6..206b991 100644
--- a/shift/main.py
+++ b/shift/main.py
@@ -1,144 +1,178 @@
 """ PagerMaid module for channel help. """
-from asyncio import sleep
-from random import uniform
-from pyrogram.enums.chat_type import ChatType
-from pyrogram.errors.exceptions.flood_420 import FloodWait
-
-from pagermaid import log
-from pagermaid.single_utils import sqlite
-from pagermaid.enums import Client, Message
-from pagermaid.utils import lang
-from pagermaid.listener import listener
 
 import contextlib
+from asyncio import sleep
+from random import uniform
+from typing import Any
+
+from pagermaid import log
+from pagermaid.enums import Client, Message
+from pagermaid.listener import listener
+from pagermaid.single_utils import sqlite
+from pagermaid.utils import lang
+from pyrogram.enums.chat_type import ChatType
+from pyrogram.errors.exceptions.flood_420 import FloodWait
+from pyrogram.types import Chat
+
+WHITELIST = [-1001441461877]
+AVAILABLE_OPTIONS = {"silent"}
 
 
-@listener(command="shift",
-          description='开启转发频道新消息功能',
-          parameters="set [from channel] [to channel] 自动转发频道新消息（可以使用频道用户名或者 id）\n"
-                     "del [from channel] 删除转发\n"
-                     "backup [from channel] [to channel] 备份频道（可以使用频道用户名或者 id）")
+def try_cast_or_fallback(val: Any, t: type) -> Any:
+    try:
+        return t(val)
+    except:
+        return val
+
+
+def check_chat_available(chat: Chat):
+    assert chat.type == ChatType.CHANNEL and not chat.has_protected_content
+
+
+@listener(
+    command="shift",
+    description="开启转发频道新消息功能",
+    parameters="set [from channel] [to channel] (silent) 自动转发频道新消息（可以使用频道用户名或者 id）\n"
+    "del [from channel] 删除转发\n"
+    "backup [from channel] [to channel] (silent) 备份频道（可以使用频道用户名或者 id）\n\n"
+    "选项说明：\n"
+    "silent: 禁用通知",
+)
 async def shift_set(client: Client, message: Message):
-    if not 1 < len(message.parameter) < 4:
+    if not message.parameter:
         await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
         return
     if message.parameter[0] == "set":
-        if len(message.parameter) != 3:
+        if len(message.parameter) < 3:
             return await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
+        options = set(message.parameter[3:] if len(message.parameter) > 3 else ())
+        if set(options).difference(AVAILABLE_OPTIONS):
+            return await message.edit("出错了呜呜呜 ~ 无法识别的选项。")
         # 检查来源频道
         try:
-            channel = await client.get_chat(int(message.parameter[1]))
-            if channel.type != ChatType.CHANNEL:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-            if channel.has_protected_content:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
+            source = await client.get_chat(
+                try_cast_or_fallback(message.parameter[1], int)
+            )
+            assert isinstance(source, Chat)
+            check_chat_available(source)
         except Exception:
-            try:
-                channel = await client.get_chat(message.parameter[1])
-                if channel.type != ChatType.CHANNEL:
-                    return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-                if channel.has_protected_content:
-                    return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-            except Exception:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-        if channel.id in [-1001441461877]:
-            return await message.edit('出错了呜呜呜 ~ 此对话位于白名单中。')
+            return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
+        if source.id in WHITELIST:
+            return await message.edit("出错了呜呜呜 ~ 此对话位于白名单中。")
         # 检查目标频道
         try:
-            to = await client.get_chat(int(message.parameter[2]))
+            target = await client.get_chat(
+                try_cast_or_fallback(message.parameter[2], int)
+            )
+            assert isinstance(target, Chat)
         except Exception:
-            try:
-                to = await client.get_chat(message.parameter[2])
-            except Exception:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的目标对话。")
-        if to.id in [-1001441461877]:
-            await message.edit('出错了呜呜呜 ~ 此对话位于白名单中。')
+            return await message.edit("出错了呜呜呜 ~ 无法识别的目标对话。")
+        if target.id in WHITELIST:
+            await message.edit("出错了呜呜呜 ~ 此对话位于白名单中。")
             return
-        sqlite[f"shift.{channel.id}"] = to.id
-        await message.edit(f"已成功配置将对话 {channel.id} 的新消息转发到 {to.id} 。")
-        await log(f"已成功配置将对话 {channel.id} 的新消息转发到 {to.id} 。")
+        sqlite[f"shift.{source.id}"] = target.id
+        sqlite[f"shift.{source.id}.options"] = (
+            message.parameter[3:] if len(message.parameter) > 3 else []
+        )
+        await message.edit(f"已成功配置将对话 {source.id} 的新消息转发到 {target.id} 。")
+        await log(f"已成功配置将对话 {source.id} 的新消息转发到 {target.id} 。")
     elif message.parameter[0] == "del":
         if len(message.parameter) != 2:
             return await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
         # 检查来源频道
         try:
-            channel = await client.get_chat(int(message.parameter[1]))
+            source = await client.get_chat(
+                try_cast_or_fallback(message.parameter[1], int)
+            )
+            assert isinstance(source, Chat)
         except Exception:
-            try:
-                channel = await client.get_chat(message.parameter[1])
-            except Exception:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
+            return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
         try:
-            del sqlite[f"shift.{channel.id}"]
-        except Exception as e:
-            return await message.edit('emm...当前对话不存在于自动转发列表中。')
-        await message.edit(f"已成功关闭对话 {str(channel.id)} 的自动转发功能。")
-        await log(f"已成功关闭对话 {str(channel.id)} 的自动转发功能。")
+            del sqlite[f"shift.{source.id}"]
+            with contextlib.suppress(Exception):
+                del sqlite[f"shift.{source.id}.options"]
+        except Exception:
+            return await message.edit("emm...当前对话不存在于自动转发列表中。")
+        await message.edit(f"已成功关闭对话 {str(source.id)} 的自动转发功能。")
+        await log(f"已成功关闭对话 {str(source.id)} 的自动转发功能。")
     elif message.parameter[0] == "backup":
-        if len(message.parameter) != 3:
+        if len(message.parameter) < 3:
             return await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
+        options = set(message.parameter[3:] if len(message.parameter) > 3 else ())
+        if set(options).difference(AVAILABLE_OPTIONS):
+            return await message.edit("出错了呜呜呜 ~ 无法识别的选项。")
         # 检查来源频道
         try:
-            channel = await client.get_chat(int(message.parameter[1]))
-            if channel.type != ChatType.CHANNEL:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-            if channel.has_protected_content:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
+            source = await client.get_chat(
+                try_cast_or_fallback(message.parameter[1], int)
+            )
+            assert isinstance(source, Chat)
+            check_chat_available(source)
         except Exception:
-            try:
-                channel = await client.get_chat(message.parameter[1])
-                if channel.type != ChatType.CHANNEL:
-                    return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-                if channel.has_protected_content:
-                    return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-            except Exception:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
-        if channel.id in [-1001441461877]:
-            return await message.edit('出错了呜呜呜 ~ 此对话位于白名单中。')
+            return await message.edit("出错了呜呜呜 ~ 无法识别的来源对话。")
+        if source.id in WHITELIST:
+            return await message.edit("出错了呜呜呜 ~ 此对话位于白名单中。")
         # 检查目标频道
         try:
-            to = await client.get_chat(int(message.parameter[2]))
+            target = await client.get_chat(
+                try_cast_or_fallback(message.parameter[2], int)
+            )
+            assert isinstance(target, Chat)
         except Exception:
-            try:
-                to = await client.get_chat(message.parameter[2])
-            except Exception:
-                return await message.edit("出错了呜呜呜 ~ 无法识别的目标对话。")
-        if to.id in [-1001441461877]:
-            return await message.edit('出错了呜呜呜 ~ 此对话位于白名单中。')
+            return await message.edit("出错了呜呜呜 ~ 无法识别的目标对话。")
+        if target.id in WHITELIST:
+            return await message.edit("出错了呜呜呜 ~ 此对话位于白名单中。")
         # 开始遍历消息
-        await message.edit(f'开始备份频道 {channel.id} 到 {to.id} 。')
-        async for msg in client.search_messages(channel.id):
+        await message.edit(f"开始备份频道 {source.id} 到 {target.id} 。")
+        async for msg in client.search_messages(source.id):  # type: ignore
             await sleep(uniform(0.5, 1.0))
-            await forward_msg(message, msg, to.id)
-        await message.edit(f'备份频道 {channel.id} 到 {to.id} 已完成。')
+            await loosely_forward(
+                message,
+                msg,
+                target.id,
+                disable_notification="silent" in options,
+            )
+        await message.edit(f"备份频道 {source.id} 到 {target.id} 已完成。")
     else:
         await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
         return
 
 
 @listener(is_plugin=True, incoming=True, ignore_edited=True)
-async def shift_channel_message(message):
-    """ Event handler to auto forward channel messages. """
-    cid = sqlite.get(f"shift.{message.chat.id}", None)
-    if not cid:
-        return
-    if message.chat.id in [-1001441461877]:
+async def shift_channel_message(message: Message):
+    """Event handler to auto forward channel messages."""
+    d = dict(sqlite)
+    source = message.chat.id
+    target = d.get(f"shift.{source}")
+    if not target:
         return
     if message.chat.has_protected_content:
-        del sqlite[f"shift.{message.chat.id}"]
+        del sqlite[f"shift.{source}"]
         return
+    options = d.get(f"shift.{source}.options") or []
+
     with contextlib.suppress(Exception):
-        await message.forward(cid)
+        await message.forward(
+            target,
+            disable_notification="silent" in options,
+        )
 
 
-async def forward_msg(message, msg, cid):
+async def loosely_forward(
+    notifier: Message,
+    message: Message,
+    chat_id: int,
+    disable_notification: bool = False,
+):
     try:
-        await msg.forward(msg, cid)
-    except FloodWait as e:
-        await message.edit(f'触发 Flood ，暂停 {e.value + uniform(0.5, 1.0)} 秒。')
-        try:
-            await sleep(e.value + uniform(0.5, 1.0))
-        except Exception as e:
-            print(f"Wait flood error: {e}")
-            return
-        await forward_msg(message, msg, cid)
+        await message.forward(chat_id, disable_notification=disable_notification)
+    except FloodWait as ex:
+        min: int = ex.value  # type: ignore
+        delay = min + uniform(0.5, 1.0)
+        await notifier.edit(f"触发 Flood ，暂停 {delay} 秒。")
+        await sleep(delay)
+        await loosely_forward(
+            notifier, message, chat_id, disable_notification
+        )
+    except Exception:
+        pass  # drop other errors