diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine.erl b/apps/emqx_rule_engine/src/emqx_rule_engine.erl
index 24c0bed56..312fc9e7d 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine.erl
@@ -37,9 +37,9 @@
         , test_resource/1
         , start_resource/1
         , get_resource_status/1
-        , is_source_alive/1
-        , is_source_alive/2
-        , is_source_alive/3
+        , is_resource_alive/1
+        , is_resource_alive/2
+        , is_resource_alive/3
         , get_resource_params/1
         , ensure_resource_deleted/1
         , delete_resource/1
@@ -349,11 +349,11 @@ test_resource(#{type := Type} = Params) ->
             try
                 case create_resource(maps:put(id, ResId, Params), no_retry) of
                     {ok, _} ->
-                        case is_source_alive(ResId, #{fetch => true}) of
+                        case is_resource_alive(ResId, #{fetch => true}) of
                             true ->
                                 ok;
                             false ->
-                                %% in is_source_alive, the cluster-call RPC logs errors
+                                %% in is_resource_alive, the cluster-call RPC logs errors
                                 %% so we do not log anything here
                                 {error, {resource_down, ResId}}
                         end;
@@ -371,16 +371,16 @@ test_resource(#{type := Type} = Params) ->
             {error, {resource_type_not_found, Type}}
     end.
 
-is_source_alive(ResId) ->
-    is_source_alive(ResId, #{fetch => false}).
+is_resource_alive(ResId) ->
+    is_resource_alive(ResId, #{fetch => false}).
 
-is_source_alive(ResId, Opts) ->
-    is_source_alive(ekka_mnesia:running_nodes(), ResId, Opts).
+is_resource_alive(ResId, Opts) ->
+    is_resource_alive(ekka_mnesia:running_nodes(), ResId, Opts).
 
--spec(is_source_alive(list(node()) | node(), resource_id(), #{fetch := boolean()}) -> boolean()).
-is_source_alive(Node, ResId, Opts) when is_atom(Node) ->
-    is_source_alive([Node], ResId, Opts);
-is_source_alive(Nodes, ResId, _Opts = #{fetch := true}) ->
+-spec(is_resource_alive(list(node()) | node(), resource_id(), #{fetch := boolean()}) -> boolean()).
+is_resource_alive(Node, ResId, Opts) when is_atom(Node) ->
+    is_resource_alive([Node], ResId, Opts);
+is_resource_alive(Nodes, ResId, _Opts = #{fetch := true}) ->
     try
         case emqx_rule_registry:find_resource(ResId) of
             {ok, #resource{type = ResType}} ->
@@ -389,7 +389,7 @@ is_source_alive(Nodes, ResId, _Opts = #{fetch := true}) ->
                 case rpc:multicall(Nodes,
                          ?MODULE, fetch_resource_status, [Mod, OnStatus, ResId], 5000) of
                     {ResL, []} ->
-                        is_source_alive_(ResL);
+                        is_resource_alive_(ResL);
                     {_, _Error} ->
                         false
                 end;
@@ -397,30 +397,30 @@ is_source_alive(Nodes, ResId, _Opts = #{fetch := true}) ->
                 false
         end
     catch E:R:S ->
-        ?LOG(warning, "is_source_alive failed, ~0p:~0p ~0p", [E, R, S]),
+        ?LOG(warning, "is_resource_alive failed, ~0p:~0p ~0p", [E, R, S]),
         false
     end;
-is_source_alive(Nodes, ResId, _Opts = #{fetch := false}) ->
+is_resource_alive(Nodes, ResId, _Opts = #{fetch := false}) ->
     try
         case rpc:multicall(Nodes, ?MODULE, get_resource_status, [ResId], 5000) of
             {ResL, []} ->
-                is_source_alive_(ResL);
+                is_resource_alive_(ResL);
             {_, _Errors} ->
                 false
         end
     catch E:R:S ->
-        ?LOG(warning, "is_source_alive failed, ~0p:~0p ~0p", [E, R, S]),
+        ?LOG(warning, "is_resource_alive failed, ~0p:~0p ~0p", [E, R, S]),
         false
     end.
 
 %% fetch_resource_status -> #{is_alive => boolean()}
 %% get_resource_status -> {ok, #{is_alive => boolean()}}
-is_source_alive_([]) -> true;
-is_source_alive_([#{is_alive := true} | ResL]) -> is_source_alive_(ResL);
-is_source_alive_([#{is_alive := false} | _ResL]) -> false;
-is_source_alive_([{ok, #{is_alive := true}} | ResL]) -> is_source_alive_(ResL);
-is_source_alive_([{ok, #{is_alive := false}} | _ResL]) -> false;
-is_source_alive_([_Error | _ResL]) -> false.
+is_resource_alive_([]) -> true;
+is_resource_alive_([#{is_alive := true} | ResL]) -> is_resource_alive_(ResL);
+is_resource_alive_([#{is_alive := false} | _ResL]) -> false;
+is_resource_alive_([{ok, #{is_alive := true}} | ResL]) -> is_resource_alive_(ResL);
+is_resource_alive_([{ok, #{is_alive := false}} | _ResL]) -> false;
+is_resource_alive_([_Error | _ResL]) -> false.
 
 -spec(get_resource_status(resource_id()) -> {ok, resource_status()} | {error, Reason :: term()}).
 get_resource_status(ResId) ->
diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl b/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl
index c196e03f7..6587f9c5f 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl
@@ -321,7 +321,7 @@ do_create_resource(Create, ParsedParams) ->
 list_resources(#{}, _Params) ->
     Data0 = lists:foldr(fun maybe_record_to_map/2, [], emqx_rule_registry:get_resources()),
     Data = lists:map(fun(Res = #{id := ResId}) ->
-               Status = emqx_rule_engine:is_source_alive(ResId),
+               Status = emqx_rule_engine:is_resource_alive(ResId),
                maps:put(status, Status, Res)
            end, Data0),
     return({ok, Data}).
@@ -336,7 +336,7 @@ show_resource(#{id := Id}, _Params) ->
                 fun(Node) ->
                     #{
                         node => Node,
-                        is_alive => emqx_rule_engine:is_source_alive(Node, Id, #{fetch => false})
+                        is_alive => emqx_rule_engine:is_resource_alive(Node, Id, #{fetch => false})
                     }
                 end,
             Status = [StatusFun(Node) || Node <- ekka_mnesia:running_nodes()],