diff --git a/packages/nonebot-adapter-cqhttp/nonebot/adapters/cqhttp/event.py b/packages/nonebot-adapter-cqhttp/nonebot/adapters/cqhttp/event.py
index 53497870..e0551279 100644
--- a/packages/nonebot-adapter-cqhttp/nonebot/adapters/cqhttp/event.py
+++ b/packages/nonebot-adapter-cqhttp/nonebot/adapters/cqhttp/event.py
@@ -199,6 +199,10 @@ class GroupMessageEvent(MessageEvent):
                     if x.is_text() else f"<le>{escape_tag(str(x))}</le>",
                     self.message)) + '"')
 
+    @overrides(MessageEvent)
+    def get_session_id(self) -> str:
+        return f"group_{self.group_id}_{self.user_id}"
+
 
 # Notice Events
 class NoticeEvent(Event):
diff --git a/packages/nonebot-adapter-ding/nonebot/adapters/ding/event.py b/packages/nonebot-adapter-ding/nonebot/adapters/ding/event.py
index 7dfdc2e1..e01588a6 100644
--- a/packages/nonebot-adapter-ding/nonebot/adapters/ding/event.py
+++ b/packages/nonebot-adapter-ding/nonebot/adapters/ding/event.py
@@ -143,3 +143,7 @@ class GroupMessageEvent(MessageEvent):
     @overrides(MessageEvent)
     def is_tome(self) -> bool:
         return self.isInAtList
+
+    @overrides(MessageEvent)
+    def get_session_id(self) -> str:
+        return f"group_{self.conversationId}_{self.senderId}"