diff --git a/arclet/entari/command/__init__.py b/arclet/entari/command/__init__.py
index c534a7e..7add084 100644
--- a/arclet/entari/command/__init__.py
+++ b/arclet/entari/command/__init__.py
@@ -9,9 +9,8 @@
 from arclet.alconna import Alconna, Arg, Args, Arparma, CommandMeta, command_manager
 from arclet.alconna.tools.construct import AlconnaString, alconna_from_format
 from arclet.alconna.typing import TAValue
-from arclet.letoderea import EVENT, RESULT, Contexts, ExitState, Scope, Subscriber, make_event
+from arclet.letoderea import EVENT, RESULT, Contexts, ExitState, Result, Scope, Subscriber, make_event
 from arclet.letoderea.provider import TProviders, get_providers
-from arclet.letoderea.typing import Result
 from nepattern import DirectPattern
 from tarina import LRU
 from tarina.trie import CharTrie
diff --git a/arclet/entari/command/provider.py b/arclet/entari/command/provider.py
index 4f7cd0f..f8c8871 100644
--- a/arclet/entari/command/provider.py
+++ b/arclet/entari/command/provider.py
@@ -18,7 +18,7 @@
 from ..config import EntariConfig
 from ..const import ITEM_MESSAGE_CONTENT
 from ..event.base import Reply
-from ..event.command import CommandExecute, CommandOutput, CommandParse, CommandReceive
+from ..event.command import CommandOutput, CommandParse, CommandReceive
 from ..filter.parse import parse_filter
 from ..message import MessageChain
 from ..session import Session
diff --git a/arclet/entari/plugin/__init__.py b/arclet/entari/plugin/__init__.py
index 1f10a08..fa2ba9a 100644
--- a/arclet/entari/plugin/__init__.py
+++ b/arclet/entari/plugin/__init__.py
@@ -8,7 +8,7 @@
 from typing import TYPE_CHECKING, Any, Literal, TypeVar, overload
 
 from arclet.letoderea import Subscriber, on, publish
-from arclet.letoderea.typing import Resultable
+from arclet.letoderea.utils import Resultable
 from tarina import init_spec
 from tarina.tools import nest_obj_update
 
diff --git a/arclet/entari/plugin/model.pyi b/arclet/entari/plugin/model.pyi
index 0dcf6e0..d56b9be 100644
--- a/arclet/entari/plugin/model.pyi
+++ b/arclet/entari/plugin/model.pyi
@@ -11,7 +11,7 @@ from arclet.letoderea.decorate import Check
 from arclet.letoderea.provider import TProviders
 from arclet.letoderea.publisher import Publisher
 from arclet.letoderea.scope import RegisterWrapper
-from arclet.letoderea.typing import Resultable, TCallable
+from arclet.letoderea.utils import Resultable, TCallable
 from launart import Service
 from tarina import ContextModel
 
diff --git a/pdm.lock b/pdm.lock
index 9a742be..8a5cb83 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "cli", "cron", "dev", "dotenv", "full", "msgspec", "pydantic", "reload", "rich", "toml", "yaml"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:580636d478539eb1f64f470edef9341ab98cefb6d500e5bbcfded775431f8fc9"
+content_hash = "sha256:c79283b35abcd9d7a887b5f7099c3f0c361529ebbf88ebef58529338d81fb3c2"
 
 [[metadata.targets]]
 requires_python = ">=3.10"
@@ -221,7 +221,7 @@ files = [
 
 [[package]]
 name = "arclet-letoderea"
-version = "0.21.0rc2"
+version = "0.21.0"
 requires_python = "<4.0,>=3.10"
 summary = "A high-performance, simple-structured event system, relies on asyncio"
 groups = ["default"]
@@ -230,8 +230,8 @@ dependencies = [
     "typing-extensions>=4.12.0",
 ]
 files = [
-    {file = "arclet_letoderea-0.21.0rc2-py3-none-any.whl", hash = "sha256:0d4074e93e99c9ef19705d50944ef354689595959737302f638f61dff8fea169"},
-    {file = "arclet_letoderea-0.21.0rc2.tar.gz", hash = "sha256:4afd4aa1a140c651d3a6c593a5d3ef2322877af356a2edc3c5b01c533c40ed3d"},
+    {file = "arclet_letoderea-0.21.0-py3-none-any.whl", hash = "sha256:fb5f9e01b1914c133ff37db0d2895143c9cbfbd47eef053148077edfcb04ac77"},
+    {file = "arclet_letoderea-0.21.0.tar.gz", hash = "sha256:09bc30878f3f2b2aa460bdd08d28d000712d404d801a4e9384ff99d9633ce3c8"},
 ]
 
 [[package]]
diff --git a/pyproject.toml b/pyproject.toml
index 490a5ac..96c10eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [
     {name = "RF-Tar-Railt",email = "rf_tar_railt@qq.com"},
 ]
 dependencies = [
-    "arclet-letoderea<0.22.0,>=0.21.0rc2",
+    "arclet-letoderea<0.22.0,>=0.21.0",
     "arclet-alconna<2.0.0,>=1.8.44",
     "satori-python-core<1.4.0,>=1.3.2",
     "satori-python-client<1.4.0,>=1.3.2",