diff --git a/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl b/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
index d1dcebb4e..6121e39b6 100644
--- a/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
+++ b/apps/emqx_dashboard/src/emqx_dashboard_swagger.erl
@@ -345,7 +345,8 @@ response(Status, ?R_REF(_Mod, _Name) = RRef, {Acc, RefsAcc, Module, Options}) ->
     SchemaToSpec = schema_converter(Options),
     {Spec, Refs} = SchemaToSpec(RRef, Module),
     Content = content(Spec),
-    {Acc#{integer_to_binary(Status) => #{<<"content">> => Content}}, Refs ++ RefsAcc, Module, Options};
+    {Acc#{integer_to_binary(Status) =>
+    #{<<"content">> => Content}}, Refs ++ RefsAcc, Module, Options};
 response(Status, Schema, {Acc, RefsAcc, Module, Options}) ->
     case hoconsc:is_schema(Schema) of
         true ->
@@ -459,7 +460,8 @@ typename_to_spec("duration_ms()", _Mod) -> #{type => string, example => <<"32s">
 typename_to_spec("percent()", _Mod) -> #{type => number, example => <<"12%">>};
 typename_to_spec("file()", _Mod) -> #{type => string, example => <<"/path/to/file">>};
 typename_to_spec("ip_port()", _Mod) -> #{type => string, example => <<"127.0.0.1:80">>};
-typename_to_spec("ip_ports()", _Mod) -> #{type => string, example => <<"127.0.0.1:80, 127.0.0.2:80">>};
+typename_to_spec("ip_ports()", _Mod) ->
+    #{type => string, example => <<"127.0.0.1:80, 127.0.0.2:80">>};
 typename_to_spec("url()", _Mod) -> #{type => string, example => <<"http://127.0.0.1">>};
 typename_to_spec("connect_timeout()", Mod) -> typename_to_spec("timeout()", Mod);
 typename_to_spec("timeout()", _Mod) -> #{<<"oneOf">> => [#{type => string, example => infinity},
diff --git a/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl b/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
index dc6c791a2..4be40b3b1 100644
--- a/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
+++ b/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
@@ -93,7 +93,8 @@ update_config(Name, Change) ->
 
 reset_config(Name, Key) ->
     AuthHeader = emqx_mgmt_api_test_util:auth_header_(),
-    Path = binary_to_list(iolist_to_binary(emqx_mgmt_api_test_util:api_path(["configs_reset", Name]))),
+    Path = binary_to_list(iolist_to_binary(
+        emqx_mgmt_api_test_util:api_path(["configs_reset", Name]))),
     case emqx_mgmt_api_test_util:request_api(post, Path, Key, AuthHeader, []) of
         {ok, []} -> ok;
         Error -> Error
diff --git a/apps/emqx_management/test/emqx_mgmt_api_trace_SUITE.erl b/apps/emqx_management/test/emqx_mgmt_api_trace_SUITE.erl
index 8eda2993c..8625a804c 100644
--- a/apps/emqx_management/test/emqx_mgmt_api_trace_SUITE.erl
+++ b/apps/emqx_management/test/emqx_mgmt_api_trace_SUITE.erl
@@ -163,7 +163,8 @@ t_download_log(_Config) ->
     Header = auth_header_(),
     {ok, Binary} = request_api(get, api_path("trace/test_client_id/download"), Header),
     {ok, [_Comment,
-        #zip_file{name = ZipName, info = #file_info{size = Size, type = regular, access = read_write}}]}
+        #zip_file{name = ZipName,
+            info = #file_info{size = Size, type = regular, access = read_write}}]}
         = zip:table(Binary),
     ?assert(Size > 0),
     ZipNamePrefix = lists:flatten(io_lib:format("~s-trace_~s", [node(), Name])),