diff --git a/pipeline_bidding/bid_flow.py b/pipeline_bidding/bid_flow.py
index 68f58e6..d7c6c01 100644
--- a/pipeline_bidding/bid_flow.py
+++ b/pipeline_bidding/bid_flow.py
@@ -65,7 +65,7 @@ async def _auto_close_file_upload_task(sor, project_id):
         return False
     await sor.sqlExe(
         "UPDATE pipeline_human_tasks SET status='done', qc_status='passed', "
-        "comments='招标文件已上传，系统自动完成', submitted_at=NOW() WHERE id=${h}$",
+        "qc_comment='招标文件已上传，系统自动完成', submitted_at=NOW() WHERE id=${h}$",
         {"h": ht.get("id")})
     await sor.sqlExe("COMMIT", {})
     logger.info("bid_flow: auto-closed tender_file_upload task project=%s", project_id)
diff --git a/pipeline_bidding/bid_tender_capability.py b/pipeline_bidding/bid_tender_capability.py
index 22b8089..3a0004d 100644
--- a/pipeline_bidding/bid_tender_capability.py
+++ b/pipeline_bidding/bid_tender_capability.py
@@ -324,9 +324,9 @@ async def _close_approval_task(sor, tender_id, status, comment=""):
     if not hid:
         return
     await sor.sqlExe(
-        "UPDATE pipeline_human_tasks SET status=${st}$, comments=${cm}$, "
+        "UPDATE pipeline_human_tasks SET status=${st}$, qc_comment=${cm}$, "
         "submitted_at=NOW() WHERE id=${hid}$ AND status='pending'",
-        {"st": status, "cm": (comment or "")[:2000], "hid": hid})
+        {"st": status, "cm": (comment or "")[:480], "hid": hid})
     await sor.sqlExe("COMMIT", {})