diff --git a/README-EN.md b/README-EN.md
index 320640f9..9fae183d 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -41,7 +41,7 @@ from arclet.alconna import Alconna, Option, Subcommand, Args
 
 cmd = Alconna(
     "/pip",
-    Subcommand("install", Option("-u|--upgrade"), Args.pak_name[str]),
+    Subcommand("install", Option("-U|--upgrade"), Args["pak", str]),
     Option("list")
 )
 
@@ -51,7 +51,7 @@ print(result.query('install'))  # Or result.install
 
 Output as follows:
 ```
-value=None args={'pak_name': 'numpy'} options={'upgrade': value=Ellipsis args={}} subcommands={}
+value=None args={'pak': 'numpy'} options={'upgrade': value=Ellipsis args={}} subcommands={}
 ```
 
 ## Communication
diff --git a/README.md b/README.md
index 2e8debd5..5cdcccec 100644
--- a/README.md
+++ b/README.md
@@ -41,16 +41,16 @@ from arclet.alconna import Alconna, Option, Subcommand, Args
 
 cmd = Alconna(
     "/pip",
-    Subcommand("install", Option("-u|--upgrade"), Args.pak_name[str]),
+    Subcommand("install", Option("-U|--upgrade"), Args["pak", str]),
     Option("list")
 )
 
-result = cmd.parse("/pip install numpy --upgrade") # 该方法返回一个Arpamar类的实例
+result = cmd.parse("/pip install numpy --upgrade") # 该方法返回一个Arparma类的实例
 print(result.query('install'))  # 或者 result.install
 ```
 其结果为
 ```
-value=None args={'pak_name': 'numpy'} options={'upgrade': value=Ellipsis args={}} subcommands={}
+value=None args={'pak': 'numpy'} options={'upgrade': value=Ellipsis args={}} subcommands={}
 ```
 
 ## 讨论
diff --git a/pdm.lock b/pdm.lock
index b16d39df..b2e64214 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -3,13 +3,16 @@
 
 [metadata]
 groups = ["default", "dev", "full"]
-strategy = ["cross_platform", "inherit_metadata"]
-lock_version = "4.4.1"
-content_hash = "sha256:429eab65cb810d7cd4095fb8a7cbfe65f9f4a0ea805333c230ffd867f3dfe3f3"
+strategy = ["inherit_metadata"]
+lock_version = "4.5.0"
+content_hash = "sha256:ee42e99b22bc711ceb7a84cd89a57a776b2cd95733acb2ed38752667c7cbaaa3"
+
+[[metadata.targets]]
+requires_python = ">=3.8"
 
 [[package]]
 name = "arclet-alconna-tools"
-version = "0.7.8"
+version = "0.7.9"
 requires_python = ">=3.8"
 summary = "Builtin Tools for Alconna"
 groups = ["full"]
@@ -18,8 +21,8 @@ dependencies = [
     "nepattern<1.0.0,>=0.7.3",
 ]
 files = [
-    {file = "arclet_alconna_tools-0.7.8-py3-none-any.whl", hash = "sha256:be57595d0f07882e1b221dacff0a81d492643915b85219d1b1e7ba5bee034c36"},
-    {file = "arclet_alconna_tools-0.7.8.tar.gz", hash = "sha256:4c54944bc4e495e730f41f96f1af23b86f3c8cde6c332699a9d82f839790ad32"},
+    {file = "arclet_alconna_tools-0.7.9-py3-none-any.whl", hash = "sha256:01a3462bb9f8dbe55010b394f7a0ac11e331799d463e326738870dce191aa608"},
+    {file = "arclet_alconna_tools-0.7.9.tar.gz", hash = "sha256:bded24c4157e13e2d803fe7b77ee246fda456206451337015513f150d1e4449c"},
 ]
 
 [[package]]
@@ -28,6 +31,9 @@ version = "23.2.0"
 requires_python = ">=3.7"
 summary = "Classes Without Boilerplate"
 groups = ["dev"]
+dependencies = [
+    "importlib-metadata; python_version < \"3.8\"",
+]
 files = [
     {file = "attrs-23.2.0-py3-none-any.whl", hash = "sha256:99b87a485a5820b23b879f04c2305b44b951b502fd64be915879d77a7e8fc6f1"},
     {file = "attrs-23.2.0.tar.gz", hash = "sha256:935dc3b529c262f6cf76e50877d35a4bd3c1de194fd41f47a2b7ae8f19971f30"},
@@ -81,6 +87,7 @@ summary = "Composable command line interface toolkit"
 groups = ["dev"]
 dependencies = [
     "colorama; platform_system == \"Windows\"",
+    "importlib-metadata; python_version < \"3.8\"",
 ]
 files = [
     {file = "click-8.1.7-py3-none-any.whl", hash = "sha256:ae74fb96c20a0277a1d615f1e4d73c8414f5a98db8b799a7931d1582f3390c28"},
@@ -275,6 +282,7 @@ version = "1.11.2"
 summary = "Display module dependencies"
 groups = ["dev"]
 dependencies = [
+    "enum34; python_version < \"3.4\"",
     "stdlib-list",
 ]
 files = [
@@ -292,6 +300,7 @@ dependencies = [
     "attrs>=19.2.0",
     "colorama; sys_platform == \"win32\"",
     "exceptiongroup>=1.0.0rc8; python_version < \"3.11\"",
+    "importlib-metadata>=0.12; python_version < \"3.8\"",
     "iniconfig",
     "packaging",
     "pluggy<2.0,>=0.12",
@@ -315,7 +324,7 @@ files = [
 
 [[package]]
 name = "tarina"
-version = "0.5.5"
+version = "0.5.8"
 requires_python = ">=3.8"
 summary = "A collection of common utils for Arclet"
 groups = ["default", "full"]
@@ -323,53 +332,53 @@ dependencies = [
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 ]
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+    {file = "tarina-0.5.8.tar.gz", hash = "sha256:ab5a8b901829242c64a8a0436c7753e894ccae36891ca20a9deda9de6210a0b3"},
 ]
 
 [[package]]
diff --git a/src/arclet/alconna/formatter.py b/src/arclet/alconna/formatter.py
index 54186031..c4a6c101 100644
--- a/src/arclet/alconna/formatter.py
+++ b/src/arclet/alconna/formatter.py
@@ -133,12 +133,15 @@ def _handle(trace: Trace):
                 return self.format(trace)
             _cache = resolve_requires(trace.body)
             _parts = []
+            prefix = parts[0]
             for text in parts:
                 if isinstance(_cache, dict) and text in _cache:
                     _cache = _cache[text]
                     _parts.append(text)
             if not _parts:
                 return self.format(trace)
+            if len(_parts) > 1:
+                prefix += trace.separators[0] + trace.separators[0].join(_parts[:-1])
             if isinstance(_cache, dict):
                 if ensure := ensure_node(_parts, trace.body):
                     _cache = ensure
@@ -155,11 +158,11 @@ def _handle(trace: Trace):
                     )
             if isinstance(_cache, Option):
                 return self.format(
-                    Trace({"name": "│".join(_cache.aliases), "description": _cache.help_text, 'example': None, 'usage': None}, _cache.args, _cache.separators, [], {})  # noqa: E501
+                    Trace({"name": prefix + trace.separators[0] + "│".join(_cache.aliases), "description": _cache.help_text, 'example': None, 'usage': None}, _cache.args, _cache.separators, [], {})  # noqa: E501
                 )
             if isinstance(_cache, Subcommand):
                 return self.format(
-                    Trace({"name": "│".join(_cache.aliases), "description": _cache.help_text, 'example': None, 'usage': None}, _cache.args, _cache.separators, _cache.options, {})  # noqa: E501
+                    Trace({"name": prefix + trace.separators[0] + "│".join(_cache.aliases), "description": _cache.help_text, 'example': None, 'usage': None}, _cache.args, _cache.separators, _cache.options, {})  # noqa: E501
                 )
             return self.format(trace)
 
diff --git a/tests/core_test.py b/tests/core_test.py
index b92d9bf1..286d6506 100644
--- a/tests/core_test.py
+++ b/tests/core_test.py
@@ -642,22 +642,22 @@ def test_help():
         )
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 --help foo")
-        assert cap["output"] == "foo <bar: str> \nFoo bar"
+        assert cap["output"] == "core17 foo <bar: str> \nFoo bar"
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 foo --help")
-        assert cap["output"] == "foo <bar: str> \nFoo bar"
+        assert cap["output"] == "core17 foo <bar: str> \nFoo bar"
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 --help baz")
-        assert cap["output"] == "baz <qux: str> \nBaz qux"
+        assert cap["output"] == "core17 baz <qux: str> \nBaz qux"
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 baz --help")
-        assert cap["output"] == "baz <qux: str> \nBaz qux"
+        assert cap["output"] == "core17 baz <qux: str> \nBaz qux"
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 add --help")
-        assert cap["output"] == "add <bar: str> \nAdd bar"
+        assert cap["output"] == "core17 add <bar: str> \nAdd bar"
     with output_manager.capture("core17") as cap:
         alc17.parse("core17 del --help")
-        assert cap["output"] == "del <bar: str> \nDel bar"
+        assert cap["output"] == "core17 del <bar: str> \nDel bar"
     alc17_1 = Alconna(
         "core17_1",
         Option("foo bar abc baz", Args["qux", int]),
@@ -676,10 +676,10 @@ def test_help():
     )
     with output_manager.capture("core17_2") as cap:
         alc17_2.parse("core17_2 --help foo bar")
-        assert cap["output"] == "bar <baz: str> \nFoo bar"
+        assert cap["output"] == "core17_2 foo bar <baz: str> \nFoo bar"
     with output_manager.capture("core17_2") as cap:
         alc17_2.parse("core17_2 --help foo")
-        assert cap["output"] == "foo <abc: str> \nsub Foo\n\n可用的选项有:\n* Foo bar\n  bar <baz: str> \n"
+        assert cap["output"] == "core17_2 foo <abc: str> \nsub Foo\n\n可用的选项有:\n* Foo bar\n  bar <baz: str> \n"
 
 
 def test_hide_annotation():