diff --git a/nonebot/exception.py b/nonebot/exception.py
index b374f4c5..4df3ea49 100644
--- a/nonebot/exception.py
+++ b/nonebot/exception.py
@@ -6,10 +6,19 @@
 这些异常并非所有需要用户处理，在 NoneBot 内部运行时被捕获，并进行对应操作。
 """
 
-from nonebot.typing import List, Type, Optional
+from nonebot.typing import Optional
 
 
-class IgnoredException(Exception):
+class NoneBotException(Exception):
+    """
+    :说明:
+
+      所有 NoneBot 发生的异常基类。
+    """
+    pass
+
+
+class IgnoredException(NoneBotException):
     """
     :说明:
 
@@ -30,7 +39,7 @@ class IgnoredException(Exception):
         return self.__repr__()
 
 
-class PausedException(Exception):
+class PausedException(NoneBotException):
     """
     :说明:
 
@@ -44,7 +53,7 @@ class PausedException(Exception):
     pass
 
 
-class RejectedException(Exception):
+class RejectedException(NoneBotException):
     """
     :说明:
 
@@ -58,7 +67,7 @@ class RejectedException(Exception):
     pass
 
 
-class FinishedException(Exception):
+class FinishedException(NoneBotException):
     """
     :说明:
 
@@ -72,7 +81,7 @@ class FinishedException(Exception):
     pass
 
 
-class StopPropagation(Exception):
+class StopPropagation(NoneBotException):
     """
     :说明:
 
@@ -85,7 +94,7 @@ class StopPropagation(Exception):
     pass
 
 
-class RequestDenied(Exception):
+class RequestDenied(NoneBotException):
     """
     :说明:
 
@@ -108,7 +117,22 @@ class RequestDenied(Exception):
         return self.__repr__()
 
 
-class ApiNotAvailable(Exception):
+class AdapterException(NoneBotException):
+    """
+    :说明:
+
+      代表 ``Adapter`` 抛出的异常，所有的 ``Adapter`` 都要在内部继承自这个 ``Exception``
+
+    :参数:
+
+      * ``adapter_name: str``: 标识 adapter
+    """
+
+    def __init__(self, adapter_name: str) -> None:
+        self.adapter_name = adapter_name
+
+
+class ApiNotAvailable(AdapterException):
     """
     :说明:
 
@@ -117,7 +141,7 @@ class ApiNotAvailable(Exception):
     pass
 
 
-class NetworkError(Exception):
+class NetworkError(AdapterException):
     """
     :说明:
 
@@ -126,7 +150,7 @@ class NetworkError(Exception):
     pass
 
 
-class ActionFailed(Exception):
+class ActionFailed(AdapterException):
     """
     :说明:
 
@@ -145,18 +169,3 @@ class ActionFailed(Exception):
 
     def __str__(self):
         return self.__repr__()
-
-
-class AdapterException(Exception):
-    """
-    :说明:
-
-      代表 Adapter 抛出的异常，所有的 Adapter 都要在内部继承自这个 `Exception`
-
-    :参数:
-
-      * ``adapter_name: str``: 标识 adapter
-    """
-
-    def __init__(self, adapter_name: str) -> None:
-        self.adapter_name = adapter_name