diff --git a/apps/iot/include/iot.hrl b/apps/iot/include/iot.hrl
index 90bbbbe..4bf4116 100644
--- a/apps/iot/include/iot.hrl
+++ b/apps/iot/include/iot.hrl
@@ -48,15 +48,6 @@
     status
 }).
 
-%% 主机指标
--record(host_metrics, {
-    cpus = [],
-    cpu_temperature = 0,
-    memory = #memory_metric{},
-    disk = #disk_metric{},
-    interfaces = []
-}).
-
 %% 主机定义
 -record(host, {
     %% ID
@@ -67,15 +58,28 @@
     model :: binary(),
     %% 单元网格编号
     cell_id :: integer(),
-    %% 接入设备数
-    terminal_num = 0 :: integer(),
-    %% 服务器指标
-    metrics = #host_metrics{},
     %% 接入时间
     activated_ts = 0 :: integer(),
     %% 最后上线时间
     update_ts = 0 :: integer(),
-    status = 0 :: integer()
+    %% 主机状态
+    status = ?HOST_STATUS_INACTIVE :: integer()
+}).
+
+%% 主机指标
+-record(host_metric, {
+    %% ID
+    id :: binary(),
+    %% cpu相关
+    cpus = [],
+    %% cpu温度
+    cpu_temperature = 0,
+    %% 内存状态
+    memory = #memory_metric{},
+    %% 硬盘状态
+    disk = #disk_metric{},
+    %% 接口状态
+    interfaces = []
 }).
 
 %% 终端表
@@ -101,23 +105,21 @@
 }).
 
 %% 微服务表
--record(micro_service, {
-    %% ID
+-record(microservice, {
+    %% ID, 基于UUID生成
     id :: binary(),
     %% 关联主机
     host_id :: binary(),
     %% 名称
     name :: binary(),
-    %% 产品ID，枚举类型
-    product_id :: integer(),
-    %% 厂商ID，枚举类型
-    vendor_id :: integer(),
-    %% 型号
-    model :: binary(),
-    %% 所在单元ID，管理系统负责
-    cell_id :: integer(),
-    %% 终端状态
-    status = 0 :: integer(),
-    %% 最后上线时间
-    update_ts = 0 :: integer()
+    %% 类型
+    category :: binary(),
+    %% 应用对象
+    apply_object :: binary(),
+    %% 版本
+    version :: binary(),
+    %% 执行次数
+    execute_count = 0,
+    %% 部署时间
+    deploy_ts = 0 :: integer()
 }).
\ No newline at end of file
diff --git a/apps/iot/src/iot_mnesia.erl b/apps/iot/src/iot_mnesia.erl
index db2247b..f890b6e 100644
--- a/apps/iot/src/iot_mnesia.erl
+++ b/apps/iot/src/iot_mnesia.erl
@@ -22,8 +22,9 @@ init_database() ->
     %% 创建schema
     ok = mnesia:create_schema([node()]),
     ok = mnesia:start(),
-    %% 创建数据库表
 
+    %% 创建数据库表
+    %% 主机表
     mnesia:create_table(host, [
         {attributes, record_info(fields, host)},
         {record_name, host},
@@ -31,9 +32,26 @@ init_database() ->
         {type, set}
     ]),
 
+    %% 主机指标
+    mnesia:create_table(host_metric, [
+        {attributes, record_info(fields, host_metric)},
+        {record_name, host_metric},
+        {disc_copies, [node()]},
+        {type, set}
+    ]),
+
+    %% 主机终端管理
     mnesia:create_table(terminal, [
         {attributes, record_info(fields, terminal)},
-        {record_name, host},
+        {record_name, terminal},
+        {disc_copies, [node()]},
+        {type, set}
+    ]),
+
+    %% 主机微服务管理
+    mnesia:create_table(microservice, [
+        {attributes, record_info(fields, microservice)},
+        {record_name, microservice},
         {disc_copies, [node()]},
         {type, set}
     ]),
@@ -56,10 +74,8 @@ copy_database(MasterNode) when is_atom(MasterNode) ->
     mnesia:change_table_copy_type(schema, node(), disc_copies),
 
     %% 增加表的分区复制
-    mnesia:add_table_copy(booking, node(), ram_copies),
-    mnesia:add_table_copy(calendar, node(), ram_copies),
-    mnesia:add_table_copy(app, node(), ram_copies),
-    mnesia:add_table_copy(fake_app, node(), ram_copies),
-    mnesia:add_table_copy(app_extra, node(), ram_copies),
-    mnesia:add_table_copy(app_calendar, node(), ram_copies),
+    mnesia:add_table_copy(host, node(), ram_copies),
+    mnesia:add_table_copy(host_metric, node(), ram_copies),
+    mnesia:add_table_copy(terminal, node(), ram_copies),
+    mnesia:add_table_copy(microservice, node(), ram_copies),
     ok.
\ No newline at end of file