diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine.erl b/apps/emqx_rule_engine/src/emqx_rule_engine.erl
index 24dc58a97..e642932c2 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine.erl
@@ -277,7 +277,7 @@ create_resource(#{type := Type, config := Config0} = Params, Retry) ->
                     _ = try ?CLUSTER_CALL(init_resource_with_retrier, InitArgs, ok,
                                           init_resource, InitArgs)
                     catch throw : Reason ->
-                        ?LOG(error, "create_resource failed: ~0p", [Reason])
+                        ?LOG_SENSITIVE(warning, "create_resource failed: ~0p", [Reason])
                     end,
                     {ok, Resource};
                 no_retry ->
@@ -285,6 +285,7 @@ create_resource(#{type := Type, config := Config0} = Params, Retry) ->
                         _ = ?CLUSTER_CALL(init_resource, InitArgs),
                         {ok, Resource}
                     catch throw : Reason ->
+                        ?LOG_SENSITIVE(error, "create_resource failed: ~0p", [Reason]),
                         {error, Reason}
                     end
             end;
diff --git a/apps/emqx_rule_engine/test/emqx_rule_utils_SUITE.erl b/apps/emqx_rule_engine/test/emqx_rule_utils_SUITE.erl
index 95445bf84..ae3f72254 100644
--- a/apps/emqx_rule_engine/test/emqx_rule_utils_SUITE.erl
+++ b/apps/emqx_rule_engine/test/emqx_rule_utils_SUITE.erl
@@ -136,16 +136,22 @@ t_preproc_sql5(_) ->
                  emqx_rule_utils:proc_cql_param_str(ParamsTokens, Selected)).
 
 t_if_contains_placeholder(_) ->
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"${a}">>)),
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"${a}${b}">>)),
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"${a},${b},${c}">>)),
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"a:${a}">>)),
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"a:${a},b:${b}">>)),
-    ?assert(emqx_rule_utils:if_contains_placeholder(<<"abc${ab}">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"a">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"abc$">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"abc${">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"abc${a">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"abc${ab">>)),
-    ?assertNot(emqx_rule_utils:if_contains_placeholder(<<"a${ab${c${e">>)),
-    ok.
+    TestTab =
+        [ {true, "${a}"}
+        , {true, "${a}${b}"}
+        , {true, "${a},${b},${c}"}
+        , {true, "a:${a}"}
+        , {true, "a:${a},b:${b}"}
+        , {true, "abc${ab}"}
+        , {true, "a${ab${c}${e"}
+        , {false, "a"}
+        , {false, "abc$"}
+        , {false, "abc${"}
+        , {false, "abc${a"}
+        , {false, "abc${ab"}
+        , {false, "a${ab${c${e"}
+        ],
+    lists:foreach(fun({Expected, InputStr}) ->
+            ?assert(Expected =:= emqx_rule_utils:if_contains_placeholder(InputStr)),
+            ?assert(Expected =:= emqx_rule_utils:if_contains_placeholder(iolist_to_binary(InputStr)))
+        end, TestTab).