diff --git a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
index 8b42397..567ed69 100644
--- a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
+++ b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
@@ -196,7 +196,8 @@ format_event(LocationCode, DynamicLocationCode, EventType, #{<<"event_code">> :=
         <<"category">> => EventCode,
         <<"description">> => Description,
         <<"occurrenceTime">> => Datetime,
-        <<"attachments">> => Attachments
+        %% 给金智的数据，只番户附件信息里面的第一个附件；多了对方程序报错
+        <<"attachments">> => lists:sublist(Attachments, 1, 1)
     },
 
     ReqData = #{