From ab7c2cf000b1567a8ed5c28a9ff8c06dae1e579c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=86=E8=90=8C=E9=97=B7=E6=B2=B9=E7=93=B6?=
 <253605712@qq.com>
Date: Tue, 29 Jul 2025 21:40:03 +0800
Subject: [PATCH] minor fix: Object of type int64 is not JSON serializable
 (#23109)

---
 api/services/annotation_service.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/services/annotation_service.py b/api/services/annotation_service.py
index 80dd63bf89..cfa917daf6 100644
--- a/api/services/annotation_service.py
+++ b/api/services/annotation_service.py
@@ -280,7 +280,7 @@ class AppAnnotationService:
 
         try:
             # Skip the first row
-            df = pd.read_csv(file)
+            df = pd.read_csv(file, dtype=str)
             result = []
             for index, row in df.iterrows():
                 content = {"question": row.iloc[0], "answer": row.iloc[1]}