diff --git a/video-gen-api/app/api/v1/team.py b/video-gen-api/app/api/v1/team.py
index b7e2a0a5..6bf2fe53 100644
--- a/video-gen-api/app/api/v1/team.py
+++ b/video-gen-api/app/api/v1/team.py
@@ -347,6 +347,7 @@ async def export_team_credit_records(
     # 生成 CSV（兼容 Excel 打开）
     import csv
     import io
+    from datetime import datetime
 
     output = io.StringIO()
     writer = csv.writer(output)
@@ -359,7 +360,7 @@ async def export_team_credit_records(
             item.get("amount", 0),
             item.get("balance_after", 0),
             item.get("description") or "-",
-            item.get("created_at") or "-",
+            datetime.fromisoformat(item.get("created_at") or "-").strftime("%Y-%m-%d %H:%M:%S"),
         ])
 
     from starlette.responses import StreamingResponse