diff --git a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
index df1f5e4..2cb7743 100644
--- a/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
+++ b/apps/iot/src/endpoint/iot_jinzhi_endpoint.erl
@@ -93,11 +93,16 @@ 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}) ->
-    ReqBody = format_events(LocationCode, DynamicLocationCode, EventType, Params, PriKey),
-    catch do_post(Url, Id, ReqBody),
-    TimerRef = erlang:start_timer(?RETRY_INTERVAL, self(), {repost_ticker, Id, ReqBody}),
+    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}),
 
-    {noreply, State#state{id = Id + 1, timer_map = maps:put(Id, TimerRef, TimerMap)}}.
+        {noreply, State#state{id = Id + 1, timer_map = maps:put(Id, TimerRef, TimerMap)}}
+    catch _:Err:Stack ->
+        lager:warning("[iot_jinzhi_endpoint] format_event get error: ~p, stack: ~p", [Err, Stack]),
+        {noreply, State}
+    end.
 
 %% @private
 %% @doc Handling all non call/cast messages
@@ -174,8 +179,8 @@ do_post(Url, Id, Body) when is_list(Url), is_integer(Id), is_binary(Body) ->
                   end).
 
 %% 格式话要发送的数据，避免多次格式化处理
--spec format_events(LocationCode :: binary(), DynamicLocationCode :: binary(), EventType :: integer(), Params :: map(), PriKey :: public_key:private_key()) -> binary().
-format_events(LocationCode, DynamicLocationCode, EventType, #{<<"event_code">> := EventCode, <<"description">> := Description, <<"datetime">> := Datetime, <<"attachments">> := Attachments0}, PriKey)
+-spec format_event(LocationCode :: binary(), DynamicLocationCode :: binary(), EventType :: integer(), Params :: map(), PriKey :: public_key:private_key()) -> binary().
+format_event(LocationCode, DynamicLocationCode, EventType, #{<<"event_code">> := EventCode, <<"description">> := Description, <<"datetime">> := Datetime, <<"attachments">> := Attachments0}, PriKey)
     when is_binary(LocationCode), is_binary(DynamicLocationCode), is_integer(EventType) ->
 
     Attachments = lists:map(fun(#{<<"filename">> := Filename}) ->
@@ -205,7 +210,7 @@ format_events(LocationCode, DynamicLocationCode, EventType, #{<<"event_code">> :
     },
 
     ReqData = #{
-        <<"sign">> => iot_jinzhi_signer:sign(DeviceInfo, PriKey),
+        <<"sign">> => sign(DeviceInfo, PriKey),
         <<"sysId">> => ?SYS_ID,
         <<"taskId">> => generate_task_id(DynamicLocationCode, EventCode),
         <<"count">> => 1,
@@ -232,4 +237,43 @@ generate_private_key(PriFile) when is_list(PriFile) ->
     %% 私钥保存解析后的
     {ok, PriKeyData} = file:read_file(PriKeyFile),
     PriDerData = base64:decode(PriKeyData),
-    public_key:der_decode('PrivateKeyInfo', PriDerData).
\ No newline at end of file
+    public_key:der_decode('PrivateKeyInfo', PriDerData).
+
+
+%% 数据签名
+-spec sign(M :: #{}, PrivateKey :: public_key:private_key()) -> binary().
+sign(M, PrivateKey) when is_map(M) ->
+    Json = serialize(M),
+    Hash = iolist_to_binary(io_lib:format("~64.16.0b", [binary:decode_unsigned(crypto:hash(sha256, Json))])),
+    RsaEncoded = public_key:encrypt_private(Hash, PrivateKey),
+    base64:encode(RsaEncoded).
+
+%% 简单的序列号，sign签名
+-spec serialize(M :: map()) -> JsonString :: binary().
+serialize(M) when is_map(M) ->
+    L = maps:to_list(M),
+    L1 = lists:sort(fun({K, _}, {K1, _}) -> K < K1 end, L),
+    serialize0(L1, []).
+
+serialize0([], Target) ->
+    B = iolist_to_binary(lists:join(<<$,>>, lists:reverse(Target))),
+    <<${, B/binary, $}>>;
+serialize0([{K, V}|T], Target) ->
+    V1 = if
+             is_integer(V) ->
+                 integer_to_binary(V);
+             is_float(V) ->
+                 float_to_binary(V);
+             is_binary(V) ->
+                 <<$", V/binary, $">>;
+             is_boolean(V) andalso V ->
+                 <<"true">>;
+             is_boolean(V) andalso not V ->
+                 <<"false">>;
+             is_list(V) ->
+                 Items = lists:map(fun(E) -> serialize(E) end, V),
+                 V0 = iolist_to_binary(lists:join(<<$,>>, Items)),
+                 <<$[, V0/binary, $]>>
+         end,
+    Item = <<$", K/binary, $", $:, V1/binary>>,
+    serialize0(T, [Item|Target]).
\ No newline at end of file
diff --git a/apps/iot/src/util/iot_jinzhi_signer.erl b/apps/iot/src/util/iot_jinzhi_signer.erl
deleted file mode 100644
index 67a6483..0000000
--- a/apps/iot/src/util/iot_jinzhi_signer.erl
+++ /dev/null
@@ -1,51 +0,0 @@
-%%%-------------------------------------------------------------------
-%%% @author anlicheng
-%%% @copyright (C) 2024, <COMPANY>
-%%% @doc
-%%% 中电的签名逻辑
-%%% @end
-%%% Created : 02. 9月 2024 11:28
-%%%-------------------------------------------------------------------
--module(iot_jinzhi_signer).
--author("anlicheng").
-
-%% API
--export([sign/2]).
-
-%% 数据签名
--spec sign(M :: #{}, PrivateKey :: public_key:private_key()) -> binary().
-sign(M, PrivateKey) when is_map(M) ->
-    Json = serialize(M),
-    Hash = iolist_to_binary(io_lib:format("~64.16.0b", [binary:decode_unsigned(crypto:hash(sha256, Json))])),
-    RsaEncoded = public_key:encrypt_private(Hash, PrivateKey),
-
-    base64:encode(RsaEncoded).
-
-%% 简单的序列号，sign签名
--spec serialize(M :: map()) -> JsonString :: binary().
-serialize(M) when is_map(M) ->
-    L = maps:to_list(M),
-    L1 = lists:sort(fun({K, _}, {K1, _}) -> K < K1 end, L),
-    serialize(L1, []).
-serialize([], Target) ->
-    B = iolist_to_binary(lists:join(<<$,>>, lists:reverse(Target))),
-    <<${, B/binary, $}>>;
-serialize([{K, V}|T], Target) ->
-    V1 = if
-             is_integer(V) ->
-                 integer_to_binary(V);
-             is_float(V) ->
-                 float_to_binary(V);
-             is_binary(V) ->
-                 <<$", V/binary, $">>;
-             is_boolean(V) andalso V ->
-                 <<"true">>;
-             is_boolean(V) andalso not V ->
-                 <<"false">>;
-             is_list(V) ->
-                 Items = lists:map(fun(E) -> serialize(E) end, V),
-                 V0 = iolist_to_binary(lists:join(<<$,>>, Items)),
-                 <<$[, V0/binary, $]>>
-         end,
-    Item = <<$", K/binary, $", $:, V1/binary>>,
-    serialize(T, [Item|Target]).
\ No newline at end of file