diff --git a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_actions.erl b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_actions.erl
index 1752de8e2..8f5ad16ef 100644
--- a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_actions.erl
+++ b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_actions.erl
@@ -567,8 +567,7 @@ options(Options, PoolName, ResId) ->
 maybe_ssl(_Options, false, _ResId) ->
     [];
 maybe_ssl(Options, true, ResId) ->
-    Dir = filename:join([emqx:get_env(data_dir), "rules", ResId]),
-    [{ssl, true}, {ssl_opts, emqx_plugin_libs_ssl:save_files_return_opts(Options, Dir)}].
+    [{ssl, true}, {ssl_opts, emqx_plugin_libs_ssl:save_files_return_opts(Options, "rules", ResId)}].
 
 mqtt_ver(ProtoVer) ->
     case ProtoVer of
diff --git a/apps/emqx_plugin_libs/src/emqx_plugin_libs_ssl.erl b/apps/emqx_plugin_libs/src/emqx_plugin_libs_ssl.erl
index 4b0746335..d0b561430 100644
--- a/apps/emqx_plugin_libs/src/emqx_plugin_libs_ssl.erl
+++ b/apps/emqx_plugin_libs/src/emqx_plugin_libs_ssl.erl
@@ -16,7 +16,9 @@
 
 -module(emqx_plugin_libs_ssl).
 
--export([save_files_return_opts/2]).
+-export([save_files_return_opts/2,
+         save_files_return_opts/3
+        ]).
 
 -type file_input_key() :: binary(). %% <<"file">> | <<"filename">>
 -type file_input() :: #{file_input_key() => binary()}.
@@ -36,6 +38,14 @@
 -type opt_value() :: term().
 -type opts() :: [{opt_key(), opt_value()}].
 
+%% @doc Parse ssl options input.
+%% If the input contains file content, save the files in the given dir.
+%% Returns ssl options for Erlang's ssl application.
+-spec save_files_return_opts(opts_input(), string(), string() | binary()) -> opts().
+save_files_return_opts(Options, SubDir, ResId) ->
+    Dir = filename:join([emqx:get_env(data_dir), SubDir, ResId]),
+    save_files_return_opts(Options, Dir).
+
 %% @doc Parse ssl options input.
 %% If the input contains file content, save the files in the given dir.
 %% Returns ssl options for Erlang's ssl application.
diff --git a/apps/emqx_web_hook/src/emqx_web_hook_actions.erl b/apps/emqx_web_hook/src/emqx_web_hook_actions.erl
index 2d7fe8801..b670b44b8 100644
--- a/apps/emqx_web_hook/src/emqx_web_hook_actions.erl
+++ b/apps/emqx_web_hook/src/emqx_web_hook_actions.erl
@@ -346,8 +346,7 @@ pool_name(ResId) ->
     list_to_atom("webhook:" ++ str(ResId)).
 
 get_ssl_opts(Opts, ResId) ->
-    Dir = filename:join([emqx:get_env(data_dir), "rules", ResId]),
-    [{ssl, true}, {ssl_opts, emqx_plugin_libs_ssl:save_files_return_opts(Opts, Dir)}].
+    [{ssl, true}, {ssl_opts, emqx_plugin_libs_ssl:save_files_return_opts(Opts, "rules", ResId)}].
 
 parse_host(Host) ->
     case inet:parse_address(Host) of