diff --git a/src/nonebot_plugin_alconna/__init__.py b/src/nonebot_plugin_alconna/__init__.py
index 2e76158..e0d2aea 100644
--- a/src/nonebot_plugin_alconna/__init__.py
+++ b/src/nonebot_plugin_alconna/__init__.py
@@ -128,7 +128,7 @@
 from .uniseg import SupportAdapterModule as SupportAdapterModule
 from .extension import add_global_extension as add_global_extension
 
-__version__ = "0.50.0"
+__version__ = "0.50.1"
 
 __plugin_meta__ = PluginMetadata(
     name="Alconna 插件",
diff --git a/src/nonebot_plugin_alconna/pattern.py b/src/nonebot_plugin_alconna/pattern.py
index 349188f..d092045 100644
--- a/src/nonebot_plugin_alconna/pattern.py
+++ b/src/nonebot_plugin_alconna/pattern.py
@@ -39,7 +39,7 @@ def __init__(
             converter=converter,
             alias=f"select({target.__name__})",
         )
-        self.accept = lambda x: isinstance(x, target)
+        self.accept = lambda x: isinstance(x, Segment)
 
     def match(self, input_: TS2):
         if not self.accept(input_):
diff --git a/src/nonebot_plugin_alconna/uniseg/__init__.py b/src/nonebot_plugin_alconna/uniseg/__init__.py
index 0bfc709..406a6f2 100644
--- a/src/nonebot_plugin_alconna/uniseg/__init__.py
+++ b/src/nonebot_plugin_alconna/uniseg/__init__.py
@@ -53,7 +53,7 @@
 from .constraint import SupportAdapterModule as SupportAdapterModule
 from .adapters import BUILDER_MAPPING, FETCHER_MAPPING, EXPORTER_MAPPING
 
-__version__ = "0.50.0"
+__version__ = "0.50.1"
 
 __plugin_meta__ = PluginMetadata(
     name="Universal Segment 插件",
diff --git a/tests/test_uniseg.py b/tests/test_uniseg.py
index d144ac7..0050546 100644
--- a/tests/test_uniseg.py
+++ b/tests/test_uniseg.py
@@ -28,7 +28,14 @@ def test_uniseg():
         Text("man").italic(0, 1),
     ]
 
-    assert select(Text).from_(Video).first.validate(Video(url="foobar")(Text("foobar"))).value() == Text("foobar")
+    pat = select(Text)
+    assert pat.first.validate(Text("foobar")).value() == Text("foobar")
+    assert pat.first.validate(Video(url="foobar")(Text("foobar"))).value() == Text("foobar")
+    assert pat.first.validate(Other(FallbackSegment.text("foobar"))(Text("foobar"))).value() == Text("foobar")
+    pat1 = select(Text).from_(Video)
+    assert pat1.first.validate(Text("foobar")).failed
+    assert pat1.first.validate(Video(url="foobar")(Text("foobar"))).value() == Text("foobar")
+    assert pat1.first.validate(Other(FallbackSegment.text("foobar"))(Text("foobar"))).failed
 
 
 def test_unimsg():