diff --git a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
index 0299f11..96bff07 100644
--- a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
+++ b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
@@ -93,16 +93,11 @@ handle_call(_Request, _From, State = #state{}) ->
     {noreply, NewState :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term(), NewState :: #state{}}).
 handle_cast({forward, LocationCode, DynamicLocationCode, EventType, Params}, State = #state{id = Id, timer_map = TimerMap, pri_key = PriKey, url = Url}) ->
-    try
-        ReqBody = format_event(LocationCode, DynamicLocationCode, EventType, Params, PriKey),
-        catch do_post(Url, Id, ReqBody),
-        TimerRef = erlang:start_timer(?RETRY_INTERVAL, self(), {repost_ticker, Id, ReqBody}),
+    ReqBody = format_event(LocationCode, DynamicLocationCode, EventType, Params, PriKey),
+    catch do_post(Url, Id, ReqBody),
+    TimerRef = erlang:start_timer(?RETRY_INTERVAL, self(), {repost_ticker, Id, ReqBody}),
 
-        {noreply, State#state{id = Id + 1, timer_map = maps:put(Id, TimerRef, TimerMap)}}
-    catch _:Err:Stack ->
-        lager:notice("[iot_jinzhi_endpoint] format_event get error: ~p, stack: ~p", [Err, Stack]),
-        {noreply, State}
-    end.
+    {noreply, State#state{id = Id + 1, timer_map = maps:put(Id, TimerRef, TimerMap)}}.
 
 %% @private
 %% @doc Handling all non call/cast messages
@@ -190,20 +185,9 @@ format_event(LocationCode, DynamicLocationCode, EventType, #{<<"event_code">> :=
                                           end, Attachments0),
 
     % <<"occurrenceTime">> => <<"2023-06-10 12:00:00">>,
-    % TODO delete
-    FakeLocationCodes = application:get_env(iot, fake_location_codes, []),
-    LocationCode1 = case length(FakeLocationCodes) > 0 of
-                        true ->
-                            Len = length(FakeLocationCodes),
-                            RandomIndex = rand:uniform(Len),
-                            Code = lists:nth(RandomIndex, FakeLocationCodes),
-                            list_to_binary(Code);
-                        false ->
-                            LocationCode
-                    end,
     DeviceInfo = #{
         % <<"location">> => LocationCode,
-        <<"location">> => LocationCode1,
+        <<"location">> => fake_location_code(EventCode, LocationCode),
         <<"category">> => EventCode,
         <<"description">> => Description,
         <<"occurrenceTime">> => Datetime,
@@ -277,4 +261,10 @@ serialize0([{K, V}|T], Target) ->
                  <<$[, V0/binary, $]>>
          end,
     Item = <<$", K/binary, $", $:, V1/binary>>,
-    serialize0(T, [Item|Target]).
\ No newline at end of file
+    serialize0(T, [Item|Target]).
+
+
+fake_location_code(EventCode, LocationCode) when is_binary(EventCode), is_binary(LocationCode) ->
+    % TODO delete
+    FakeLocationCodes = application:get_env(iot, fake_location_codes, []),
+    proplists:get_value(EventCode, FakeLocationCodes, LocationCode).
\ No newline at end of file
diff --git a/config/sys-prod.config b/config/sys-prod.config
index 11bf0d8..36b1554 100644
--- a/config/sys-prod.config
+++ b/config/sys-prod.config
@@ -15,7 +15,11 @@
     {device_cache_size, 200},
 
     {fake_location_codes, [
-        "0508103010001050300001"
+      {<<"23103">>, <<"0508103010001050300001">>},
+      {<<"20407">>, <<"0512104030001050400003">>},
+      {<<"10404">>, <<"0507106030001050600003">>},
+      {<<"22503">>, <<"0500000000001022700537">>},
+      {<<"23104">>, <<"0500000000001022700538">>}
     ]},
 
     {watchdog, [
diff --git a/docs/jinzhi.md b/docs/jinzhi.md
new file mode 100644
index 0000000..b4e6bd5
--- /dev/null
+++ b/docs/jinzhi.md
@@ -0,0 +1,15 @@
+# 事件分类
+
+```text
+23103  鼠类监测         event_code:
+20407  异物占道         event_code:
+10404  垃圾溢满         event_code:
+22503  后厨非标着装      event_code:
+23104  动火离人         event_code:
+```
+
+1、鼠类检测 0508103010001050300001 朴苑餐厅
+2、异物占道 0512104030001050400003 行政楼B楼
+3、垃圾溢满 0507106030001050600003 朴苑3舍
+4、后厨非标着装 0500000000001022700537 监控摄像头532（诚苑餐厅 北侧）
+5、动火离人 0500000000001022700538 监控摄像头533（诚苑餐厅 北侧）
\ No newline at end of file
diff --git a/docs/jinzhi_http.md b/docs/jinzhi_http.md
deleted file mode 100644
index f7d52e3..0000000
--- a/docs/jinzhi_http.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# 事件分类
-
-```text
-23103  鼠类监测
-20407  异物占道
-10404  垃圾溢满
-22503  后厨非标着装
-23104  动火离人
-```