diff --git a/liteyuki/plugins/liteyuki_statistics/stat_monitors.py b/liteyuki/plugins/liteyuki_statistics/stat_monitors.py
index 5db82df..d6b1567 100644
--- a/liteyuki/plugins/liteyuki_statistics/stat_monitors.py
+++ b/liteyuki/plugins/liteyuki_statistics/stat_monitors.py
@@ -40,7 +40,7 @@ async def onebot_v11_event_monitor(bot: v11.Bot, event: v11.MessageEvent):
 
         message_id=str(event.message_id),
 
-        message=event.message,
+        message=str(event.message),
         message_text=event.raw_message,
         message_type=event.message_type,
     )
@@ -63,7 +63,7 @@ async def onebot_v12_event_monitor(bot: v12.Bot, event: v12.MessageEvent):
 
         message_id=str(event.message_id),
 
-        message=event.message,
+        message=str(event.message),
         message_text=event.raw_message,
         message_type=event.message_type,
     )
@@ -85,7 +85,7 @@ async def satori_event_monitor(bot: satori.Bot, event: satori.MessageEvent):
         group_id=group_id,
         user_id=str(event.user.id),
         message_id=str(event.message.id),
-        message=event.message,
+        message=str(event.message),
         message_text=event.message.content,
         message_type=event_utils.get_message_type(event),
     )