diff --git a/apps/emqx_authz/src/emqx_authz.erl b/apps/emqx_authz/src/emqx_authz.erl
index 4c3268353..940c1ec37 100644
--- a/apps/emqx_authz/src/emqx_authz.erl
+++ b/apps/emqx_authz/src/emqx_authz.erl
@@ -49,7 +49,7 @@ lookup() ->
     emqx_config:get(?CONF_KEY_PATH, []).
 
 update(Cmd, Rules) ->
-    emqx_config:update(?CONF_KEY_PATH, {Cmd, Rules}).
+    emqx_config:update(emqx_authz_schema, ?CONF_KEY_PATH, {Cmd, Rules}).
 
 %% For now we only support re-creating the entire rule list
 pre_config_update({head, Rule}, OldConf) when is_map(Rule), is_list(OldConf) ->
diff --git a/apps/emqx_authz/test/emqx_authz_api_SUITE.erl b/apps/emqx_authz/test/emqx_authz_api_SUITE.erl
index 59270749e..27c571d1c 100644
--- a/apps/emqx_authz/test/emqx_authz_api_SUITE.erl
+++ b/apps/emqx_authz/test/emqx_authz_api_SUITE.erl
@@ -34,6 +34,13 @@
 % -define(API_VERSION, "v4").
 % -define(BASE_PATH, "api").
 
+-define(CONF_DEFAULT, <<"""
+authorization:{
+    rules: [
+    ]
+}
+""">>).
+
 all() ->
 %%    TODO: V5 API
 %%    emqx_ct:all(?MODULE).
@@ -43,11 +50,7 @@ groups() ->
     [].
 
 init_per_suite(Config) ->
-    %% important! let emqx_schema include the current app!
-    meck:new(emqx_schema, [non_strict, passthrough, no_history, no_link]),
-    meck:expect(emqx_schema, includes, fun() -> ["authorization"] end ),
-    meck:expect(emqx_schema, extra_schema_fields, fun(FieldName) -> emqx_authz_schema:fields(FieldName) end),
-
+    ok = emqx_config:init_load(emqx_authz_schema, ?CONF_DEFAULT),
     ok = emqx_ct_helpers:start_apps([emqx_authz]),
 
     %create_default_app(),
@@ -55,7 +58,6 @@ init_per_suite(Config) ->
 
 end_per_suite(_Config) ->
     %delete_default_app(),
-    meck:unload(emqx_schema),
     emqx_ct_helpers:stop_apps([emqx_authz]).
 
 % set_special_configs(emqx) ->
@@ -79,6 +81,7 @@ end_per_suite(_Config) ->
 % %%------------------------------------------------------------------------------
 
 t_api_unit_test(_Config) ->
+    %% TODO: Decode from JSON or HOCON, instead of hand-crafting decode result
     Rule1 = #{<<"principal">> =>
                     #{<<"and">> => [#{<<"username">> => <<"^test?">>},
                                     #{<<"clientid">> => <<"^test?">>}