diff --git a/plugins/update.py b/plugins/update.py
index bc1dba8..0756204 100644
--- a/plugins/update.py
+++ b/plugins/update.py
@@ -2,16 +2,19 @@ import asyncio
 import sys
 
 from core import command
+from loguru import logger
 from pyrogram import Client
 from pyrogram.types import Message
-from tools.constants import SYCGRAM, SYCGRAM_ERROR, SYCGRAM_INFO, SYCGRAM_WARNING, UPDATE_CMD
-from tools.helpers import basher
+from tools.constants import (SYCGRAM, SYCGRAM_ERROR, SYCGRAM_INFO,
+                             SYCGRAM_WARNING, UPDATE_CMD)
+from tools.helpers import Parameters, basher, get_cmd_error
+from tools.updates import get_alias_of_cmds, reset_cmd_alias, update_cmd_alias, update_cmd_prefix
 
 
 @Client.on_message(command("restart"))
 async def restart(_: Client, msg: Message):
     """重启容器"""
-    text = f"**{SYCGRAM_INFO}**\n> # `The {SYCGRAM} is restarting......`"
+    text = f"**{SYCGRAM_INFO}**\n> # `Restarting {SYCGRAM} ......`"
     await msg.edit_text(text=text, parse_mode='md')
     sys.exit()
 
@@ -31,3 +34,72 @@ async def update(_: Client, msg: Message):
         text = f"**{SYCGRAM_INFO}**\n> # `Your {SYCGRAM} version is the latest.`"
     finally:
         await msg.edit_text(text, parse_mode='md')
+
+
+@Client.on_message(command("prefix"))
+async def prefix(_: Client, msg: Message):
+    """更改所有指令的前缀"""
+    _, pfx = Parameters.get(msg)
+    punctuation = list("""!#$%&*+,-./:;=?@^~！？。，；·\\""")
+    if len(pfx) == 0 or len(pfx) > 1 or pfx not in punctuation:
+        text = f"**{SYCGRAM_WARNING}**\n> # `Prefix must be one of {' '.join(punctuation)}`"
+        await msg.edit_text(text, parse_mode='md')
+        return
+    try:
+        update_cmd_prefix(pfx)
+    except Exception as e:
+        text = f"**{SYCGRAM_ERROR}**\n> # `{e}`"
+        logger.error(e)
+        await msg.edit_text(text, parse_mode='md')
+    else:
+        text = f"**{SYCGRAM_INFO}**\n> # `Restarting {SYCGRAM} prefix of all commands.`"
+        await msg.edit_text(text, parse_mode='md')
+        sys.exit()
+
+
+@Client.on_message(command("alias"))
+async def alias(_: Client, msg: Message):
+    """
+    cmd: alias
+    format: -alias <set> <source> <to> or -alias <reset> <source> or -alias <list>
+    usage: 修改指令别名
+    """
+    cmd, args = Parameters.get_more(msg)
+    if len(args) == 3 and args[0] == 'set':
+        _, source, to = args
+        try:
+            update_cmd_alias(source, to)
+        except Exception as e:
+            text = f"**{SYCGRAM_ERROR}**\n> # `{e}`"
+            logger.error(e)
+            await msg.edit_text(text, parse_mode='md')
+        else:
+            text = f"**{SYCGRAM_INFO}**\n> # `Updating alias of <{source}> to <{to}> ...`"
+            await msg.edit_text(text, parse_mode='md')
+            sys.exit()
+
+    elif len(args) == 2 and args[0] == 'reset':
+        _, source = args
+        try:
+            reset_cmd_alias(source)
+        except Exception as e:
+            text = f"**{SYCGRAM_ERROR}**\n> # `{e}`"
+            logger.error(e)
+            await msg.edit_text(text, parse_mode='md')
+        else:
+            text = f"**{SYCGRAM_INFO}**\n> # `Reset alias of <{source}> ...`"
+            await msg.edit_text(text, parse_mode='md')
+            sys.exit()
+
+    elif len(args) == 1 and args[0] == 'list':
+        try:
+            text = get_alias_of_cmds()
+        except Exception as e:
+            text = f"**{SYCGRAM_ERROR}**\n> # `{e}`"
+            logger.error(e)
+            await msg.edit_text(text, parse_mode='md')
+        else:
+            await msg.edit_text(text, parse_mode='md')
+
+    else:
+        await msg.edit_text(get_cmd_error(cmd))
diff --git a/tools/updates.py b/tools/updates.py
new file mode 100644
index 0000000..fcab944
--- /dev/null
+++ b/tools/updates.py
@@ -0,0 +1,78 @@
+import re
+from typing import Any, Dict
+import yaml
+
+from tools.constants import COMMAND_YML
+
+
+def update_cmd_yml(cmd_yml: Dict[str, Any]):
+    with open(COMMAND_YML, 'w', encoding='utf-8') as f:
+        yaml.dump(cmd_yml, f, allow_unicode=True)
+
+
+def modify_cmd_prefix(pfx: str) -> Dict[str, Any]:
+    with open(COMMAND_YML, "rb") as f:
+        cmd_yml: Dict[str, Any] = yaml.full_load(f)
+        old_pfx = cmd_yml['help']['all_prefixes']
+        cmd_yml['help']['all_prefixes'] = pfx
+        # 读取每个指令的kv
+        for every_cmd in cmd_yml.values():
+            get_cmd = every_cmd['cmd']
+            old_cmd = rf"[{old_pfx}]{get_cmd}"
+            new_cmd = f"{pfx}{get_cmd}"
+            every_cmd['format'] = re.sub(old_cmd, new_cmd, every_cmd['format'])
+
+    # 返回已修改过所有指令前缀的一个大字典
+    return cmd_yml
+
+
+def update_cmd_prefix(pfx: str) -> None:
+    try:
+        cmd_yml = modify_cmd_prefix(pfx)
+    except Exception as e:
+        raise e
+    else:
+        update_cmd_yml(cmd_yml=cmd_yml)
+
+
+def modify_cmd_alias(source: str, new_cmd: str) -> Dict[str, Any]:
+    with open(COMMAND_YML, "rb") as f:
+        cmd_yml: Dict[str, Any] = yaml.full_load(f)
+        if not cmd_yml.get(source):
+            raise ValueError(f"The {source} Command Not Found")
+        pfx = cmd_yml.get('help').get('all_prefixes')
+        old_cmd = cmd_yml[source]['cmd']
+        old_fmt = rf"[{pfx}]{old_cmd}"
+        new_fmt = f"{pfx}{new_cmd}"
+
+        cmd_yml[source]['cmd'] = new_cmd
+        cmd_yml[source]['format'] = re.sub(
+            old_fmt, new_fmt, cmd_yml[source]['format'])
+        return cmd_yml
+
+
+def update_cmd_alias(source: str, new_cmd: str) -> None:
+    try:
+        cmd_yml = modify_cmd_alias(source, new_cmd)
+    except Exception as e:
+        raise e
+    else:
+        update_cmd_yml(cmd_yml=cmd_yml)
+
+
+def reset_cmd_alias(source: str) -> None:
+    try:
+        cmd_yml = modify_cmd_alias(source, new_cmd=source)
+    except Exception as e:
+        raise e
+    else:
+        update_cmd_yml(cmd_yml=cmd_yml)
+
+
+def get_alias_of_cmds() -> str:
+    with open(COMMAND_YML, "rb") as f:
+        cmd_yml: Dict[str, Dict[str, str]] = yaml.full_load(f)
+        tmp = ''.join(
+            f"`{k}` | `{v.get('cmd')}`\n" for k, v in cmd_yml.items()
+        )
+        return f"**⭐️ 指令别名：**\n**源名** | **别名**\n{tmp}"