diff --git a/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl b/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
index 517fe5bb5..99525a89a 100644
--- a/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
+++ b/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
@@ -85,11 +85,11 @@ check_parameter([{Name, Type} | Spec], Bindings, QueryStr, BindingsAcc, QueryStr
     Schema = ?INIT_SCHEMA#{roots => [{Name, Type}]},
     case hocon_schema:field_schema(Type, in) of
         path ->
-            NewBindings = hocon_schema:check_plain(Schema, Bindings, #{atom_key => true}),
+            NewBindings = hocon_schema:check_plain(Schema, Bindings, #{atom_key => true, override_env => false}),
             NewBindingsAcc = maps:merge(BindingsAcc, NewBindings),
             check_parameter(Spec, Bindings, QueryStr, NewBindingsAcc, QueryStrAcc);
         query ->
-            NewQueryStr = hocon_schema:check_plain(Schema, QueryStr),
+            NewQueryStr = hocon_schema:check_plain(Schema, QueryStr, #{override_env => false}),
             NewQueryStrAcc = maps:merge(QueryStrAcc, NewQueryStr),
             check_parameter(Spec, Bindings, QueryStr, BindingsAcc, NewQueryStrAcc)
     end.
@@ -102,7 +102,7 @@ check_requestBody(#{body := Body}, Schema, Module, true) ->
             _ -> Type0
         end,
     NewSchema = ?INIT_SCHEMA#{roots => [{root, Type}]},
-    #{<<"root">> := NewBody} = hocon_schema:check_plain(NewSchema, #{<<"root">> => Body}),
+    #{<<"root">> := NewBody} = hocon_schema:check_plain(NewSchema, #{<<"root">> => Body}, #{override_env => false}),
     NewBody;
 %% TODO not support nest object check yet, please use ref!
 %% RequestBody = [ {per_page, mk(integer(), #{}},
diff --git a/apps/emqx_dashboard/test/emqx_swagger_remote_schema.erl b/apps/emqx_dashboard/test/emqx_swagger_remote_schema.erl
index a8602a79e..91ef5a557 100644
--- a/apps/emqx_dashboard/test/emqx_swagger_remote_schema.erl
+++ b/apps/emqx_dashboard/test/emqx_swagger_remote_schema.erl
@@ -17,9 +17,8 @@
 
 -include_lib("typerefl/include/types.hrl").
 
--export([ roots/0, fields/1,namespace/0]).
+-export([ roots/0, fields/1]).
 -import(hoconsc, [mk/2]).
-namespace() -> <<"remote">>.
 roots() -> ["root"].
 
 fields("root") ->
diff --git a/apps/emqx_dashboard/test/emqx_swagger_requestBody_SUITE.erl b/apps/emqx_dashboard/test/emqx_swagger_requestBody_SUITE.erl
index 462b20fd4..49dca926f 100644
--- a/apps/emqx_dashboard/test/emqx_swagger_requestBody_SUITE.erl
+++ b/apps/emqx_dashboard/test/emqx_swagger_requestBody_SUITE.erl
@@ -91,15 +91,15 @@ t_remote_ref(_Config) ->
     Spec = #{
         post => #{parameters => [],
             requestBody => #{<<"content">> => #{<<"application/json">> =>
-            #{<<"schema">> => #{<<"$ref">> => <<"#/components/schemas/remote.ref2">>}}}},
+            #{<<"schema">> => #{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref2">>}}}},
             responses => #{<<"200">> => #{description => <<"ok">>}}}},
     Refs = [{emqx_swagger_remote_schema, "ref2"}],
     {_, Components} = validate("/ref/remote", Spec, Refs),
     ExpectComponents = [
-        #{<<"remote.ref2">> => #{<<"properties">> => [
+        #{<<"emqx_swagger_remote_schema.ref2">> => #{<<"properties">> => [
             {<<"page">>, #{description => <<"good page">>,example => 1, maximum => 100,minimum => 1,type => integer}},
-        {<<"another_ref">>, #{<<"$ref">> => <<"#/components/schemas/remote.ref3">>}}], <<"type">> => object}},
-        #{<<"remote.ref3">> => #{<<"properties">> => [
+        {<<"another_ref">>, #{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref3">>}}], <<"type">> => object}},
+        #{<<"emqx_swagger_remote_schema.ref3">> => #{<<"properties">> => [
             {<<"ip">>, #{description => <<"IP:Port">>, example => <<"127.0.0.1:80">>,type => string}},
             {<<"version">>, #{description => "a good version", example => <<"1.0.0">>,type => string}}],
             <<"type">> => object}}],
diff --git a/apps/emqx_dashboard/test/emqx_swagger_response_SUITE.erl b/apps/emqx_dashboard/test/emqx_swagger_response_SUITE.erl
index 80796cc2a..c2140d2c0 100644
--- a/apps/emqx_dashboard/test/emqx_swagger_response_SUITE.erl
+++ b/apps/emqx_dashboard/test/emqx_swagger_response_SUITE.erl
@@ -84,7 +84,7 @@ t_raw_remote_ref(_Config) ->
     Path = "/raw/ref/remote",
     Object = #{<<"content">> =>
     #{<<"application/json">> => #{<<"schema">> => #{
-        <<"$ref">> => <<"#/components/schemas/remote.ref1">>}}}},
+        <<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref1">>}}}},
     ExpectRefs = [{emqx_swagger_remote_schema, "ref1"}],
     validate(Path, Object, ExpectRefs),
     ok.
@@ -101,7 +101,7 @@ t_remote_ref(_Config) ->
     Path = "/ref/remote",
     Object = #{<<"content">> =>
     #{<<"application/json">> => #{<<"schema">> => #{
-        <<"$ref">> => <<"#/components/schemas/remote.ref1">>}}}},
+        <<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref1">>}}}},
     ExpectRefs = [{emqx_swagger_remote_schema, "ref1"}],
     validate(Path, Object, ExpectRefs),
     ok.
@@ -159,29 +159,29 @@ t_ref_array_without_key(_Config) ->
 t_hocon_schema_function(_Config) ->
     Path = "/ref/hocon/schema/function",
     Object = #{<<"content">> => #{<<"application/json">> => #{<<"schema">> =>
-    #{<<"$ref">> => <<"#/components/schemas/remote.root">>}}}},
+    #{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.root">>}}}},
     ExpectComponents = [
-        #{<<"remote.ref1">> => #{<<"type">> => object,
+        #{<<"emqx_swagger_remote_schema.ref1">> => #{<<"type">> => object,
             <<"properties">> => [
                 {<<"protocol">>, #{enum => [http, https], type => string}},
                 {<<"port">>, #{default => 18083, example => 100, type => integer}}]
         }},
-        #{<<"remote.ref2">> => #{<<"type">> => object,
+        #{<<"emqx_swagger_remote_schema.ref2">> => #{<<"type">> => object,
             <<"properties">> => [
                 {<<"page">>, #{description => <<"good page">>, example => 1, maximum => 100, minimum => 1, type => integer}},
-                {<<"another_ref">>, #{<<"$ref">> => <<"#/components/schemas/remote.ref3">>}}
+                {<<"another_ref">>, #{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref3">>}}
             ]
         }},
-        #{<<"remote.ref3">> => #{<<"type">> => object,
+        #{<<"emqx_swagger_remote_schema.ref3">> => #{<<"type">> => object,
             <<"properties">> => [
                 {<<"ip">>, #{description => <<"IP:Port">>, example => <<"127.0.0.1:80">>,type => string}},
                 {<<"version">>, #{description => "a good version", example => <<"1.0.0">>, type => string}}]
         }},
-        #{<<"remote.root">> => #{required => [<<"default_password">>, <<"default_username">>],
+        #{<<"emqx_swagger_remote_schema.root">> => #{required => [<<"default_password">>, <<"default_username">>],
             <<"properties">> => [{<<"listeners">>, #{items =>
             #{<<"oneOf">> =>
-            [#{<<"$ref">> => <<"#/components/schemas/remote.ref2">>},
-                #{<<"$ref">> => <<"#/components/schemas/remote.ref1">>}]}, type => array}},
+            [#{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref2">>},
+                #{<<"$ref">> => <<"#/components/schemas/emqx_swagger_remote_schema.ref1">>}]}, type => array}},
                 {<<"default_username">>,
                     #{default => <<"admin">>, example => <<"string example">>, type => string}},
                 {<<"default_password">>, #{default => <<"public">>, example => <<"string example">>, type => string}},