diff --git a/apps/iot/src/http_handlers/container_handler.erl b/apps/iot/src/http_handlers/container_handler.erl
index 4b14b74..b0040ce 100644
--- a/apps/iot/src/http_handlers/container_handler.erl
+++ b/apps/iot/src/http_handlers/container_handler.erl
@@ -193,12 +193,12 @@ validate_config(Config) when is_map(Config) ->
         {image, binary},
         {container_name, binary},
         {command, {list, binary}},
-        {restart, binary},
-        {privileged, boolean}
+        {restart, binary}
     ],
 
     %% 可选参数（附带默认值）
     Optional = [
+        {privileged, boolean},
         {envs, {list, binary}},
         {ports, {list, binary}},
         {expose, {list, binary}},
@@ -244,13 +244,13 @@ check_required(Config, Fields) ->
         fun({Key, Type}, ErrAcc) ->
             case maps:get(Key, Config, undefined) of
                 undefined ->
-                    [io_lib:format("缺少必选参数: ~p", [Key]) | ErrAcc];
+                    [io_lib:format("miss requied parameter: ~p", [Key]) | ErrAcc];
                 Value ->
                     case check_type(Value, Type) of
                         true ->
                             ErrAcc;
                         false ->
-                            [io_lib:format("参数 ~p 类型错误，应为 ~p", [Key, Type]) | ErrAcc]
+                            [io_lib:format("required parameter: ~p, type must be: ~p", [Key, type_name(Type)]) | ErrAcc]
                     end
             end
         end,
@@ -270,7 +270,7 @@ check_optional(Config, Fields) ->
                         true ->
                             ErrAcc;
                         false ->
-                            [io_lib:format("可选参数 ~p 类型错误，应为 ~p", [Key, Type]) | ErrAcc]
+                            [io_lib:format("optional parameter: ~p, type must be: ~p", [Key, type_name(Type)]) | ErrAcc]
                     end
             end
         end,
@@ -279,6 +279,31 @@ check_optional(Config, Fields) ->
 %%------------------------------------------------------------------------------
 %% 类型检查辅助函数（binary版）
 %%------------------------------------------------------------------------------
+-spec type_name(tuple() | atom()) -> binary().
+type_name(binary) ->
+    <<"string">>;
+type_name(integer) ->
+    <<"integer">>;
+type_name(number) ->
+    <<"number">>;
+type_name(list) ->
+    <<"list">>;
+type_name({list, binary}) ->
+    <<"list of string">>;
+type_name({list, number}) ->
+    <<"list of number">>;
+type_name({list, integer}) ->
+    <<"list of integer">>;
+type_name(map) ->
+    <<"map">>;
+type_name({map, {binary, binary}}) ->
+    <<"map of string:string">>;
+type_name({map, {binary, any}}) ->
+    <<"map of string:any">>;
+type_name(boolean) ->
+    <<"boolean">>.
+
+-spec check_type(Value :: any(), any()) -> boolean().
 check_type(Value, binary) ->
     is_binary(Value);
 check_type(Value, integer) ->