diff --git a/cmcc/scrip_cmcc_mark.py b/cmcc/scrip_cmcc_mark.py
index 8411dc8..f88459a 100644
--- a/cmcc/scrip_cmcc_mark.py
+++ b/cmcc/scrip_cmcc_mark.py
@@ -612,11 +612,18 @@ def main():
         print(lines[-1])
     print("形态统计: %s" % stats, flush=True)
 
+    # 通知策略：失败必推（带诊断）；成功默认也推（每日明细签到报文）。
+    # 想回到「只推失败」：环境变量 CMCC_NOTIFY_ON_SUCCESS=0
+    want_success = os.environ.get("CMCC_NOTIFY_ON_SUCCESS", "1").strip() != "0"
+    ok_n = sum(1 for rc, _ in results if rc == 0)
     if any(rc != 0 for rc, _ in results):
-        send_notify("中国移动签到失败 %d/%d" % (sum(1 for rc, _ in results if rc != 0), len(results)),
-                    "\n".join(lines))
-    elif os.environ.get("CMCC_NOTIFY_ON_SUCCESS", "").strip() == "1":
-        send_notify("中国移动签到成功 %d/%d" % (len(results), len(results)), "\n".join(lines))
+        title = "中国移动签到 %d/%d 成功（有失败）" % (ok_n, len(results))
+        body = "\n".join(lines)
+        body += "\n\n形态统计: %s" % stats
+        body += "\n诊断: 64B→素材/会话死需重抓；88B→冷却期稍后自动重试；236B→通道异常；403/150→cURL损坏"
+        send_notify(title, body)
+    elif want_success:
+        send_notify("中国移动签到成功 %d/%d" % (ok_n, len(results)), "\n".join(lines))
 
     return max(rc for rc, _ in results) if results else 2