diff --git a/apps/iot/src/iot_app.erl b/apps/iot/src/iot_app.erl
index edafae9..8402d47 100644
--- a/apps/iot/src/iot_app.erl
+++ b/apps/iot/src/iot_app.erl
@@ -17,7 +17,7 @@ start(_StartType, _StartArgs) ->
     erlang:system_flag(fullsweep_after, 16),
 
     %% 启动数据库
-    start_mnesia(),
+    % start_mnesia(),
 
     {ok, SupPid} = iot_sup:start_link(),
     %% 启动udp服务
@@ -69,31 +69,31 @@ start_udp_server() ->
     lager:debug("[iot_app] the udp server start at: ~p", [Port]).
 
 %% 启动内存数据库
-start_mnesia() ->
-    %% 启动数据库
-    ok = mnesia:start(),
-    Tables = mnesia:system_info(tables),
-
-    LoadTables = [totalizator],
-    case lists:all(fun(Tab) -> lists:member(Tab, Tables) end, LoadTables) of
-        true ->
-            lager:debug("[iot_app] waiting for mnesia start: ~p", [LoadTables]),
-            %% 加载必须等待的数据库表
-            mnesia:wait_for_tables(LoadTables, infinity),
-            lager:debug("[iot_app] waiting for mnesia end");
-        false ->
-            lager:warning("[iot_app] tables: ~p not exists, recreate mnesia schema", [LoadTables]),
-            %% 清理掉以前的schema
-            mnesia:stop(),
-            mnesia:delete_schema([node()]),
-
-            %% 创建schema
-            ok = mnesia:create_schema([node()]),
-            ok = mnesia:start(),
-
-            %% 创建数据库表
-            %% id生成器
-            %% mnesia_id_generator:create_table(),
-            %% 大数据统计表
-            mnesia_totalizator:create_table()
-    end.
\ No newline at end of file
+%start_mnesia() ->
+%    %% 启动数据库
+%    ok = mnesia:start(),
+%    Tables = mnesia:system_info(tables),
+%
+%    LoadTables = [totalizator],
+%    case lists:all(fun(Tab) -> lists:member(Tab, Tables) end, LoadTables) of
+%        true ->
+%            lager:debug("[iot_app] waiting for mnesia start: ~p", [LoadTables]),
+%            %% 加载必须等待的数据库表
+%            mnesia:wait_for_tables(LoadTables, infinity),
+%            lager:debug("[iot_app] waiting for mnesia end");
+%        false ->
+%            lager:warning("[iot_app] tables: ~p not exists, recreate mnesia schema", [LoadTables]),
+%            %% 清理掉以前的schema
+%            mnesia:stop(),
+%            mnesia:delete_schema([node()]),
+%
+%            %% 创建schema
+%            ok = mnesia:create_schema([node()]),
+%            ok = mnesia:start(),
+%
+%            %% 创建数据库表
+%            %% id生成器
+%            %% mnesia_id_generator:create_table(),
+%            %% 大数据统计表
+%            mnesia_totalizator:create_table()
+%    end.
\ No newline at end of file