diff --git a/extensions/sync_ehr_leaves_to_oa/job.py b/extensions/sync_ehr_leaves_to_oa/job.py
index b46a942..aad9cfd 100644
--- a/extensions/sync_ehr_leaves_to_oa/job.py
+++ b/extensions/sync_ehr_leaves_to_oa/job.py
@@ -6,6 +6,8 @@ from datetime import date, datetime
 from decimal import Decimal, InvalidOperation
 from typing import Any
 
+import httpx
+
 from app.integrations.seeyon import SeeyonClient
 from app.jobs.base import BaseJob
 from extensions.sync_ehr_leaves_to_oa.api import SyncEhrLeavesToOaApi
@@ -63,12 +65,12 @@ def _to_decimal(v: Any) -> Decimal:
 
 
 def _decimal_to_str(v: Decimal) -> str:
-    if v == v.to_integral():
-        return str(int(v))
-    s = format(v.normalize(), "f")
-    if "." in s:
-        s = s.rstrip("0").rstrip(".")
-    return s
+    # OA 字段请假天数为 DECIMAL(?,1)，统一保留 1 位小数（如 1.0）
+    try:
+        q = v.quantize(Decimal("0.1"))
+    except Exception:
+        q = Decimal("0.0")
+    return format(q, "f")
 
 
 def _to_int_safe(v: Any) -> int:
@@ -277,9 +279,10 @@ class SyncEhrLeavesToOaMonthJob(BaseJob):
             to_update = 0
             to_insert = 0
             for (job_no, leave_date), leave_days in sorted(agg.items(), key=lambda x: (x[0][0], x[0][1])):
+                leave_date_value = f"{leave_date} 00:00:00"
                 fields_payload = [
                     {"name": field_job_no, "value": job_no, "showValue": job_no},
-                    {"name": field_leave_date, "value": leave_date, "showValue": leave_date},
+                    {"name": field_leave_date, "value": leave_date_value, "showValue": leave_date},
                     {"name": field_leave_days, "value": _decimal_to_str(leave_days), "showValue": _decimal_to_str(leave_days)},
                 ]
                 if field_name:
@@ -319,14 +322,28 @@ class SyncEhrLeavesToOaMonthJob(BaseJob):
                 chunk = data_list[i : i + batch_size]
                 if not chunk:
                     continue
-                resp = seeyon.batch_update_cap4_form_soap(
-                    formCode=oa_form_code,
-                    loginName=oa_login_name,
-                    rightId=oa_right_id,
-                    dataList=chunk,
-                    uniqueFiled=None,
-                    doTrigger=do_trigger_bool,
-                )
+                try:
+                    resp = seeyon.batch_update_cap4_form_soap(
+                        formCode=oa_form_code,
+                        loginName=oa_login_name,
+                        rightId=oa_right_id,
+                        dataList=chunk,
+                        uniqueFiled=[field_job_no, field_leave_date],
+                        doTrigger=do_trigger_bool,
+                    )
+                except httpx.HTTPStatusError as e:
+                    resp_text = ""
+                    try:
+                        resp_text = str((e.response.text or "")[:2000])
+                    except Exception:
+                        resp_text = ""
+                    first_row = chunk[0] if chunk else {}
+                    raise RuntimeError(
+                        "OA batch-update HTTP error "
+                        f"status={getattr(e.response, 'status_code', None)!r} "
+                        f"body_preview={resp_text!r} "
+                        f"first_row={json.dumps(first_row, ensure_ascii=False, default=str)[:2000]}"
+                    ) from e
                 rj = resp.json() if resp.content else {}
                 code_local = int(rj.get("code", -1))
                 if code_local != 0: