diff --git a/pipeline_opportunity/opp_report_capability.py b/pipeline_opportunity/opp_report_capability.py
index ff444ea..4fd20a6 100644
--- a/pipeline_opportunity/opp_report_capability.py
+++ b/pipeline_opportunity/opp_report_capability.py
@@ -141,10 +141,16 @@ async def submit_for_confirmation(report_id, note=""):
             logger.warning("报告PPT生成失败(不阻塞提交): %s", str(e)[:200])
         if ppt_path:
             await sor.U("opp_reports", {"id": report_id, "ppt_path": ppt_path})
-        exist = await find_human_task(sor, rep.get("project_id", ""),
-                                      HT_REPORT_CONFIRM, status="pending")
-        if exist:
-            return True, "已有待确认任务: %s" % exist.get("id")
+        # 幂等：本报告已有 pending 确认任务则复用（按 confirm_task_id 绑定，
+        # 不复用其他报告的任务——确认是逐份报告的独立门禁，
+        # 且待办页按 confirm_task_id 反查报告正文，绑定丢失则报告无法被确认）
+        exist_id = rep.get("confirm_task_id") or ""
+        if exist_id:
+            t_recs = await sor.sqlExe(
+                "SELECT id, status FROM pipeline_human_tasks WHERE id=${i}$",
+                {"i": exist_id})
+            if t_recs and getattr(t_recs[0], "status", "") == "pending":
+                return True, "已有待确认任务: %s" % exist_id
         hid = await create_human_task(
             sor, rep.get("project_id", ""), HT_REPORT_CONFIRM,
             "确认研发报告：%s" % rep.get("title", ""),