diff --git a/pilot/scene/base_chat.py b/pilot/scene/base_chat.py
index d1e6ad8ac..26c1f0aa6 100644
--- a/pilot/scene/base_chat.py
+++ b/pilot/scene/base_chat.py
@@ -359,7 +359,7 @@ class BaseChat(ABC):
                 )
             if len(self.history_message) > self.chat_retention_rounds:
                 for first_message in self.history_message[0]["messages"]:
-                    if not first_message["type"] in [ModelMessageRoleType.VIEW]:
+                    if not first_message["type"] in [ModelMessageRoleType.VIEW, ModelMessageRoleType.SYSTEM]:
                         message_type = first_message["type"]
                         message_content = first_message["data"]["content"]
                         history_text += (