diff --git a/astrbot/bootstrap.py b/astrbot/bootstrap.py
index bba35447b..200d25961 100644
--- a/astrbot/bootstrap.py
+++ b/astrbot/bootstrap.py
@@ -65,6 +65,7 @@ class AstrBotBootstrap():
         self.context.metrics_uploader = self.metrics_uploader
         self.context.updator = self.updator
         self.context.plugin_updator = self.plugin_manager.updator
+        self.context.message_handler = self.message_handler
         
         # load plugins, plugins' commands.
         self.load_plugins()
diff --git a/type/types.py b/type/types.py
index 8773bfb48..78b058970 100644
--- a/type/types.py
+++ b/type/types.py
@@ -37,6 +37,7 @@ class Context:
         self.plugin_command_bridge = PluginCommandBridge(self.cached_plugins)
         self.image_renderer = TextToImageRenderer()
         self.image_uploader = ImageUploader()
+        self.message_handler = None # see astrbot/message/handler.py
 
     def register_commands(self, 
                           plugin_name: str,