diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7a60b85
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+__pycache__/
+*.pyc
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diff --git a/pipeline_opportunity/__pycache__/opp_report_capability.cpython-310.pyc b/pipeline_opportunity/__pycache__/opp_report_capability.cpython-310.pyc
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diff --git a/pipeline_opportunity/opp_ability.py b/pipeline_opportunity/opp_ability.py
index b806b80..9fe6207 100644
--- a/pipeline_opportunity/opp_ability.py
+++ b/pipeline_opportunity/opp_ability.py
@@ -333,6 +333,32 @@ def register_opp_slash_commands():
         register_slash_command(cmd)
 
 
+OPP_DD_BIZ_TYPE = "opp_dev_approval"
+
+
+def register_opp_dingtalk_hook():
+    """把商机产线审批结论回流挂到钉钉审批回调上。
+
+    dingdingflow 已加载时注册成功；未加载（宿主没装钉钉模块）时静默跳过，
+    发起审批会走降级人工通道，闭环不受影响。
+    """
+    try:
+        from ahserver.serverenv import ServerEnv
+        env = ServerEnv()
+        register_biz_handler = getattr(env, "register_biz_handler", None)
+        if register_biz_handler is None:
+            logger.info("[opp] dingdingflow 未加载，跳过钉钉审批钩子注册")
+            return False
+        from .opp_report_capability import on_dingtalk_approval_done
+        register_biz_handler(OPP_DD_BIZ_TYPE, on_dingtalk_approval_done)
+        logger.info("[opp] 钉钉审批钩子已注册 biz_type=%s", OPP_DD_BIZ_TYPE)
+        return True
+    except Exception as e:
+        logger.warning("[opp] 钉钉审批钩子注册失败(不影响降级人工): %s", str(e)[:200])
+        return False
+
+
 # import 即注册（与投标产线一致：宿主 import pipeline_opportunity 即生效）
 register_opp_ability()
 register_opp_slash_commands()
+register_opp_dingtalk_hook()
diff --git a/pipeline_opportunity/opp_report_capability.py b/pipeline_opportunity/opp_report_capability.py
index 948f175..edcfb53 100644
--- a/pipeline_opportunity/opp_report_capability.py
+++ b/pipeline_opportunity/opp_report_capability.py
@@ -12,6 +12,8 @@
 
 import logging
 
+from ahserver.serverenv import ServerEnv
+
 from .opp_common import (
     get_db, new_id, rec_to_dict, rows_to_dicts, can_transition,
     RP_DRAFT, RP_CONFIRMED, RP_APPROVAL_INITIATED, RP_APPROVED, RP_REJECTED,
@@ -133,8 +135,17 @@ async def confirm_report(report_id, ok, operator=""):
     return True, "已确认" if ok else "已退回草稿"
 
 
-async def initiate_approval(report_id, note="", created_by="agent.opportunity"):
-    """发起研发审批：要求报告已 confirmed（人工确认门禁）。"""
+async def initiate_approval(report_id, note="", created_by="agent.opportunity",
+                           applicant_id=""):
+    """发起研发审批：要求报告已 confirmed（人工确认门禁）。
+
+    审批通道优先级：
+    1. 钉钉审批——dda_approval_configs 配了 biz_type=opp_dev_approval 且启用时，
+       调 dingdingflow.submit_approval 发起，审批人节点链由配置的
+       approvers_config 决定；结果经回调写回（见 opp_common 注册的钩子）。
+    2. 降级人工——无钉钉配置/发起失败时，落平台内人工审批任务兜底，
+       保证产线闭环不因缺少钉钉环境而卡死。
+    """
     db, dbname = get_db()
     async with db.sqlorContext(dbname) as sor:
         rep = await get_report(sor, report_id)
@@ -153,12 +164,40 @@ async def initiate_approval(report_id, note="", created_by="agent.opportunity"):
         })
         await sor.U("opp_reports", {
             "id": report_id, "status": RP_APPROVAL_INITIATED})
-        # 发人工审批任务
-        await create_human_task(
-            sor, rep.get("project_id", ""), HT_DEV_APPROVAL,
-            "研发审批：%s" % rep.get("title", ""),
-            note or "请审批《%s》的研发立项。" % rep.get("title", ""))
         await sor.sqlExe("COMMIT", {})
+
+    # 尝试钉钉审批通道
+    dd_ok = False
+    env = ServerEnv()
+    submit_approval = getattr(env, "submit_approval", None)
+    if submit_approval is not None:
+        try:
+            org_id = rep.get("org_id", "") or "0"
+            r = await submit_approval(
+                "opp_dev_approval", aid,
+                "研发立项审批：%s" % rep.get("title", ""),
+                applicant_id or created_by, org_id)
+            if isinstance(r, dict) and r.get("success") and r.get("instance_id"):
+                dd_ok = True
+                logger.info("研发审批已推钉钉: report=%s instance=%s",
+                            report_id, r.get("instance_id"))
+            else:
+                logger.warning("钉钉审批发起未成功(降级人工): report=%s msg=%s",
+                               report_id, (r or {}).get("message", ""))
+        except Exception as e:
+            logger.warning("钉钉审批发起异常(降级人工): report=%s err=%s",
+                           report_id, str(e)[:200])
+
+    if not dd_ok:
+        # 降级：平台内人工审批任务
+        db, dbname = get_db()
+        async with db.sqlorContext(dbname) as sor:
+            await create_human_task(
+                sor, rep.get("project_id", ""), HT_DEV_APPROVAL,
+                "研发审批：%s" % rep.get("title", ""),
+                note or "请审批《%s》的研发立项。" % rep.get("title", ""))
+            await sor.sqlExe("COMMIT", {})
+        return True, aid
     return True, aid
 
 
@@ -194,6 +233,25 @@ async def resolve_approval(approval_id, result, operator=""):
     return True, result
 
 
+async def on_dingtalk_approval_done(biz_id, status, approval_id, comment):
+    """钉钉审批结果回调钩子（dingdingflow register_biz_handler 签名）。
+
+    biz_id = opp_approvals.id（发起审批时传入）。
+    status ∈ approved / rejected / cancelled，cancelled 按驳回处理
+    （产线不能停在 approval_initiated 永久卡死）。
+    """
+    if status == "approved":
+        result = AP_APPROVED
+    else:
+        result = AP_REJECTED
+    ok, msg = await resolve_approval(
+        biz_id, result, operator="dingtalk:%s" % (approval_id or ""))
+    if ok:
+        logger.info("钉钉审批结论已回流: opp_approval=%s -> %s", biz_id, result)
+    else:
+        logger.warning("钉钉审批结论回流失败: opp_approval=%s msg=%s", biz_id, msg)
+
+
 async def list_approvals(project_id="", status=""):
     db, dbname = get_db()
     async with db.sqlorContext(dbname) as sor: