diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index e4e3342..a35b899 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -14,4 +14,4 @@ from ._configs.chromium_options import ChromiumOptions
 from ._configs.session_options import SessionOptions
 
 __all__ = ['ChromiumPage', 'ChromiumOptions', 'SessionOptions', 'SessionPage', 'WebPage', '__version__']
-__version__ = '4.0.4.25'
+__version__ = '4.0.5.0'
diff --git a/DrissionPage/_units/states.py b/DrissionPage/_units/states.py
index 47c55dc..763e27f 100644
--- a/DrissionPage/_units/states.py
+++ b/DrissionPage/_units/states.py
@@ -42,9 +42,9 @@ class ElementStates(object):
     def is_alive(self):
         """返回元素是否仍在DOM中"""
         try:
-            self._ele.attrs
-            return True
-        except Exception:
+            return self._ele.owner.run_cdp('DOM.describeNode',
+                                           backendNodeId=self._ele._backend_id)['node']['nodeId'] != 0
+        except ElementLostError:
             return False
 
     @property
@@ -101,9 +101,9 @@ class ShadowRootStates(object):
     def is_alive(self):
         """返回元素是否仍在DOM中"""
         try:
-            self._ele.owner.run_cdp('DOM.describeNode', backendNodeId=self._ele._backend_id)
-            return True
-        except Exception:
+            return self._ele.owner.run_cdp('DOM.describeNode',
+                                           backendNodeId=self._ele._backend_id)['node']['nodeId'] != 0
+        except ElementLostError:
             return False
 
 
diff --git a/DrissionPage/_units/waiter.py b/DrissionPage/_units/waiter.py
index 87e19ee..35bf3b4 100644
--- a/DrissionPage/_units/waiter.py
+++ b/DrissionPage/_units/waiter.py
@@ -495,7 +495,7 @@ class ElementWaiter(OriginWaiter):
         """
         a = self._ele.states.__getattribute__(attr)
         if (a and mode) or (not a and not mode):
-            return a
+            return True if isinstance(a, bool) else a
 
         if timeout is None:
             timeout = self._owner.timeout
@@ -503,7 +503,7 @@ class ElementWaiter(OriginWaiter):
         while perf_counter() < end_time:
             a = self._ele.states.__getattribute__(attr)
             if (a and mode) or (not a and not mode):
-                return a
+                return True if isinstance(a, bool) else a
             sleep(.05)
 
         err_text = err_text or '等待元素状态改变失败（等待{}秒）。'