diff --git a/app/services/daily_report_service.py b/app/services/daily_report_service.py
index 3bac466..44fac17 100644
--- a/app/services/daily_report_service.py
+++ b/app/services/daily_report_service.py
@@ -281,8 +281,8 @@ async def _build_daily_report_data() -> Optional[Dict]:
             "areas": _top_summary(area_counter),
             "cameras": _top_summary(camera_counter),
             "cleaning_types": _top_summary(cleaning_type_count, CLEANING_TYPE_NAMES),
-            # 卡片专用：截断名称，只取 top2 防溢出
-            "cameras_short": _top_summary(camera_counter, top_n=2, max_len=8),
+            # 卡片专用：截断名称，只取 top1 防溢出
+            "cameras_short": _top_summary(camera_counter, top_n=1, max_len=6),
             "alarm_types_short": _top_summary(alarm_type_count, ALARM_TYPE_NAMES, top_n=2),
         },
         "top_overdue": top_overdue,
@@ -327,7 +327,10 @@ def _build_template_card(report: Dict) -> Dict:
     if s["backlog_count"] == 0:
         sub_title = "昨日工单全部清零，运营状态良好"
     elif report["top_overdue"]:
-        sub_title = f"⚠ 需关注：{report['top_overdue'][0]}"
+        overdue_text = report["top_overdue"][0]
+        if len(overdue_text) > 20:
+            overdue_text = overdue_text[:20] + "…"
+        sub_title = f"⚠ 需关注：{overdue_text}"
     else:
         sub_title = f"当前 {s['backlog_count']} 条待处理"