diff --git a/apps/endpoint/src/endpoint.app.src b/apps/endpoint/src/endpoint.app.src
index 794990a..e2cf43a 100644
--- a/apps/endpoint/src/endpoint.app.src
+++ b/apps/endpoint/src/endpoint.app.src
@@ -14,6 +14,7 @@
     brod,
     hackney,
     gproc,
+    crypto,
     kernel,
     stdlib
   ]},
diff --git a/apps/endpoint/src/endpoint.erl b/apps/endpoint/src/endpoint.erl
index 8c1121c..e7177d5 100644
--- a/apps/endpoint/src/endpoint.erl
+++ b/apps/endpoint/src/endpoint.erl
@@ -68,7 +68,7 @@ get_protocol(#endpoint{config = #kafka_endpoint{}}) ->
 
 -spec is_support(Protocol :: atom()) -> boolean().
 is_support(Protocol) when is_atom(Protocol) ->
-    {ok, Props} = application:get_env(iot, endpoints),
+    {ok, Props} = application:get_env(endpoint, endpoints),
     SupportProtocols = proplists:get_value(support_protocols, Props, []),
     lists:member(Protocol, SupportProtocols).
 
diff --git a/apps/endpoint/src/endpoint_buffer.erl b/apps/endpoint/src/endpoint_buffer.erl
index 52e5f5b..05f5da7 100644
--- a/apps/endpoint/src/endpoint_buffer.erl
+++ b/apps/endpoint/src/endpoint_buffer.erl
@@ -42,7 +42,7 @@
 -spec new(Endpoint :: #endpoint{}, WindowSize :: integer()) -> Buffer :: #buffer{}.
 new(Endpoint = #endpoint{id = Id}, WindowSize) when is_integer(WindowSize), WindowSize > 0 ->
     %% 读取配置文件
-    {ok, Endpoints} = application:get_env(iot, endpoints),
+    {ok, Endpoints} = application:get_env(endpoint, endpoints),
     RootDir = proplists:get_value(root_dir, Endpoints),
     OutboxDir = filename:join(RootDir, integer_to_list(Id)),
 
diff --git a/apps/endpoint/src/endpoint_http.erl b/apps/endpoint/src/endpoint_http.erl
index 875cb2b..38a36fe 100644
--- a/apps/endpoint/src/endpoint_http.erl
+++ b/apps/endpoint/src/endpoint_http.erl
@@ -45,7 +45,7 @@ start_link(LocalName, Endpoint = #endpoint{config = #http_endpoint{}}) ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([Endpoint = #endpoint{matcher = Matcher, config = #http_endpoint{pool_size = PoolSize}}]) ->
-    ok = iot_log:set_metadata(),
+    ok = endpoint_util:set_metadata(),
     endpoint_subscription:subscribe(Matcher, self()),
     Buffer = endpoint_buffer:new(Endpoint, PoolSize),
     {ok, #state{endpoint = Endpoint, buffer = Buffer}}.
@@ -151,7 +151,7 @@ read_response_body(ClientRef) ->
 
 -spec patch_headers(Metric :: binary(), any()) -> list().
 patch_headers(Metric, Token) when is_binary(Token), Token /= <<>> ->
-    Sign = iot_util:sha256(erlang:iolist_to_binary([Token, Metric, Token])),
+    Sign = endpoint_util:sha256(erlang:iolist_to_binary([Token, Metric, Token])),
     [{<<"X-Signature">>, Sign}];
 patch_headers(_, _) ->
     [].
diff --git a/apps/endpoint/src/endpoint_kafka.erl b/apps/endpoint/src/endpoint_kafka.erl
index 4c59c58..2286c30 100644
--- a/apps/endpoint/src/endpoint_kafka.erl
+++ b/apps/endpoint/src/endpoint_kafka.erl
@@ -49,7 +49,7 @@ callback_mode() ->
 
 -spec init(term()) -> gen_statem:init_result(kafka_state(), #state{}).
 init([Endpoint = #endpoint{id = Id, matcher = Matcher}]) ->
-    ok = iot_log:set_metadata(),
+    ok = endpoint_util:set_metadata(),
     erlang:process_flag(trap_exit, true),
     ok = endpoint_subscription:subscribe(Matcher, self()),
     Buffer = endpoint_buffer:new(Endpoint, 10),
diff --git a/apps/endpoint/src/endpoint_log.erl b/apps/endpoint/src/endpoint_log.erl
index c0bc86b..3967c3e 100644
--- a/apps/endpoint/src/endpoint_log.erl
+++ b/apps/endpoint/src/endpoint_log.erl
@@ -51,7 +51,7 @@ unmatched_publish(RouteKey, Content) when is_binary(RouteKey), is_binary(Content
 
 -spec init(term()) -> {ok, #state{}}.
 init([]) ->
-    ok = iot_log:set_metadata(),
+    ok = endpoint_util:set_metadata(),
     case open_log() of
         ok ->
             {ok, #state{enabled = true}};
@@ -126,7 +126,7 @@ open_log() ->
 
 -spec log_config() -> proplists:proplist().
 log_config() ->
-    case application:get_env(iot, endpoint_log) of
+    case application:get_env(endpoint, endpoint_log) of
         {ok, Config} when is_list(Config) ->
             Config;
         _ ->
@@ -140,7 +140,7 @@ log_path(Config) ->
 
 -spec endpoint_root_dir() -> file:filename_all().
 endpoint_root_dir() ->
-    case application:get_env(iot, endpoints) of
+    case application:get_env(endpoint, endpoints) of
         {ok, Endpoints} ->
             proplists:get_value(root_dir, Endpoints, ?DEFAULT_ENDPOINT_ROOT_DIR);
         undefined ->
diff --git a/apps/endpoint/src/endpoint_mqtt.erl b/apps/endpoint/src/endpoint_mqtt.erl
index cafd84c..ce75188 100644
--- a/apps/endpoint/src/endpoint_mqtt.erl
+++ b/apps/endpoint/src/endpoint_mqtt.erl
@@ -50,7 +50,7 @@ callback_mode() ->
 
 -spec init(term()) -> gen_statem:init_result(mqtt_state(), #state{}).
 init([Endpoint = #endpoint{matcher = Matcher}]) ->
-    ok = iot_log:set_metadata(),
+    ok = endpoint_util:set_metadata(),
     erlang:process_flag(trap_exit, true),
     ok = endpoint_subscription:subscribe(Matcher, self()),
     Buffer = endpoint_buffer:new(Endpoint, 10),
diff --git a/apps/endpoint/src/endpoint_subscription.erl b/apps/endpoint/src/endpoint_subscription.erl
index 6197962..742feb3 100644
--- a/apps/endpoint/src/endpoint_subscription.erl
+++ b/apps/endpoint/src/endpoint_subscription.erl
@@ -141,7 +141,7 @@ start_link() ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
 init([]) ->
-    ok = iot_log:set_metadata(),
+    ok = endpoint_util:set_metadata(),
     ExactTid = ets:new(?EXACT_TAB, [named_table, protected, bag, {read_concurrency, true}]),
     EdgeTid = ets:new(?TRIE_EDGE_TAB, [named_table, protected, set, {read_concurrency, true}]),
     TrieSubTid = ets:new(?TRIE_SUB_TAB, [named_table, protected, bag, {read_concurrency, true}]),
diff --git a/apps/endpoint/src/endpoint_util.erl b/apps/endpoint/src/endpoint_util.erl
new file mode 100644
index 0000000..d573a2a
--- /dev/null
+++ b/apps/endpoint/src/endpoint_util.erl
@@ -0,0 +1,18 @@
+%%%-------------------------------------------------------------------
+%%% @doc Endpoint-local utility functions.
+%%%-------------------------------------------------------------------
+-module(endpoint_util).
+
+-export([set_metadata/0, sha256/1]).
+
+-spec set_metadata() -> ok.
+set_metadata() ->
+    logger:set_process_metadata(#{domain => [iot]}).
+
+-spec sha256(string() | binary()) -> binary().
+sha256(Str) when is_list(Str) ->
+    sha256(unicode:characters_to_binary(Str));
+sha256(Bin) when is_binary(Bin) ->
+    HashBin = crypto:hash(sha256, Bin),
+    HexStr = lists:flatten([io_lib:format("~2.16.0B", [B]) || B <- binary:bin_to_list(HashBin)]),
+    list_to_binary(string:lowercase(HexStr)).
diff --git a/config/sys-dev.config b/config/sys-dev.config
index 67ffd9f..5a4caec 100644
--- a/config/sys-dev.config
+++ b/config/sys-dev.config
@@ -52,6 +52,22 @@
     ]}
   ]},
 
+  {endpoint, [
+    %% 支持的协议
+    {endpoints, [
+      {root_dir, "/usr/local/code/database/"},
+      {support_protocols, [
+        http
+      ]}
+    ]},
+
+    {endpoint_log, [
+      {path, "${endpoint_root}/endpoint_log/unmatched_publish.log"},
+      {max_bytes, 10485760},
+      {max_files, 10}
+    ]}
+  ]},
+
   %% 系统日志配置，使用 OTP logger
   {kernel, [
     %% 设置 Logger 的 primary log level
diff --git a/config/sys-prod.config b/config/sys-prod.config
index b98468c..edd7775 100644
--- a/config/sys-prod.config
+++ b/config/sys-prod.config
@@ -47,6 +47,21 @@
     ]}
   ]},
 
+  {endpoint, [
+    {endpoints, [
+      {root_dir, "/usr/local/code/database/"},
+      {support_protocols, [
+        http
+      ]}
+    ]},
+
+    {endpoint_log, [
+      {path, "${endpoint_root}/endpoint_log/unmatched_publish.log"},
+      {max_bytes, 10485760},
+      {max_files, 10}
+    ]}
+  ]},
+
   %% 系统日志配置，使用 OTP logger
   {kernel, [
     %% 设置 Logger 的 primary log level