From 1f32e6e4f453f360aea195b4dd13561cbfaabc6e Mon Sep 17 00:00:00 2001
From: Kevin Hu <kevinhu.sh@gmail.com>
Date: Mon, 26 May 2025 10:28:36 +0800
Subject: [PATCH] Fix: list out of boundary (#7843)

### What problem does this PR solve?

Close #7837
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 api/apps/sdk/session.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/apps/sdk/session.py b/api/apps/sdk/session.py
index e9edab8b2..80f4228dc 100644
--- a/api/apps/sdk/session.py
+++ b/api/apps/sdk/session.py
@@ -464,7 +464,7 @@ def list_session(tenant_id, chat_id):
         if conv["reference"]:
             messages = conv["messages"]
             message_num = 0
-            while message_num < len(messages):
+            while message_num < len(messages) and message_num < len(conv["reference"]):
                 if message_num != 0 and messages[message_num]["role"] != "user":
                     chunk_list = []
                     if "chunks" in conv["reference"][message_num]: