diff --git a/CHANGES-4.3.md b/CHANGES-4.3.md
index 8b6541a25..3fffadc63 100644
--- a/CHANGES-4.3.md
+++ b/CHANGES-4.3.md
@@ -31,6 +31,7 @@ File format:
   node. It will improves the efficiency of shared messages dispatching in certain
   scenarios, especially when the emqx-bridge-mqtt plugin is configured as shared
   subscription. [#7462]
+* Add some compression functions to rule-engine: gzip, gunzip, zip, unzip, zip_compress, zip_uncompress
 
 ### Bug fixes
 
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 6a50c553d..baa47d71d 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine_api.erl
@@ -222,19 +222,29 @@ test_rule_sql(Params) ->
 do_create_rule(Params) ->
     case parse_rule_params(Params) of
         {ok, ParsedParams} ->
-            case emqx_rule_engine:create_rule(ParsedParams) of
-                {ok, Rule} -> return({ok, record_to_map(Rule)});
-                {error, {action_not_found, ActionName}} ->
-                    return({error, 400, ?ERR_NO_ACTION(ActionName)});
-                {error, Reason} ->
-                    ?LOG(error, "~p failed: ~0p", [?FUNCTION_NAME, Reason]),
-                    return({error, 400, ?ERR_BADARGS(Reason)})
+            case maps:find(id, ParsedParams) of
+                {ok, RuleId} ->
+                    case emqx_rule_registry:get_rule(RuleId) of
+                        {ok, _} -> return({error, 400, <<"Already Exists">>});
+                        not_found -> do_create_rule2(ParsedParams)
+                    end;
+                error -> do_create_rule2(ParsedParams)
             end;
         {error, Reason} ->
             ?LOG(error, "~p failed: ~0p", [?FUNCTION_NAME, Reason]),
             return({error, 400, ?ERR_BADARGS(Reason)})
     end.
 
+do_create_rule2(ParsedParams) ->
+    case emqx_rule_engine:create_rule(ParsedParams) of
+        {ok, Rule} -> return({ok, record_to_map(Rule)});
+        {error, {action_not_found, ActionName}} ->
+            return({error, 400, ?ERR_NO_ACTION(ActionName)});
+        {error, Reason} ->
+            ?LOG(error, "~p failed: ~0p", [?FUNCTION_NAME, Reason]),
+            return({error, 400, ?ERR_BADARGS(Reason)})
+    end.
+
 update_rule(#{id := Id}, Params) ->
     case parse_rule_params(Params, #{id => Id}) of
         {ok, ParsedParams} ->
diff --git a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
index 7c972323a..fd8206327 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_funcs.erl
@@ -182,6 +182,11 @@
         , unzip/1
         ]).
 
+%% compressed Funcs
+-export([ zip_compress/1
+        , zip_uncompress/1
+        ]).
+
 %% Data encode and decode
 -export([ base64_encode/1
         , base64_decode/1
@@ -823,6 +828,16 @@ zip(S) when is_binary(S) ->
 unzip(S) when is_binary(S) ->
     zlib:unzip(S).
 
+%%------------------------------------------------------------------------------
+%% zip_compress Funcs
+%%------------------------------------------------------------------------------
+
+zip_compress(S) when is_binary(S) ->
+    zlib:compress(S).
+
+zip_uncompress(S) when is_binary(S) ->
+    zlib:uncompress(S).
+
 %%------------------------------------------------------------------------------
 %% Data encode and decode Funcs
 %%------------------------------------------------------------------------------
diff --git a/apps/emqx_rule_engine/test/emqx_rule_engine_SUITE.erl b/apps/emqx_rule_engine/test/emqx_rule_engine_SUITE.erl
index 78bfbcad8..d71c05746 100644
--- a/apps/emqx_rule_engine/test/emqx_rule_engine_SUITE.erl
+++ b/apps/emqx_rule_engine/test/emqx_rule_engine_SUITE.erl
@@ -430,6 +430,14 @@ t_crud_rule_api(_Config) ->
                                    {<<"params">>,[{<<"arg1">>,1}]}]]},
                  {<<"description">>, <<"debug rule">>}]),
     RuleID = maps:get(id, Rule),
+    {ok, #{code := 400, message := <<"Already Exists">>}} =
+        emqx_rule_engine_api:create_rule(#{},
+                [{<<"name">>, <<"debug-rule">>},
+                 {<<"id">>, RuleID},
+                 {<<"rawsql">>, <<"select * from \"t/a\"">>},
+                 {<<"actions">>, [[{<<"name">>,<<"inspect">>},
+                                   {<<"params">>,[{<<"arg1">>,1}]}]]},
+                 {<<"description">>, <<"debug rule">>}]),
     %ct:pal("RCreated : ~p", [Rule]),
 
     {ok, #{code := 0, data := Rules}} = emqx_rule_engine_api:list_rules(#{}, []),
diff --git a/apps/emqx_rule_engine/test/emqx_rule_funcs_SUITE.erl b/apps/emqx_rule_engine/test/emqx_rule_funcs_SUITE.erl
index 350a57051..0f82b691d 100644
--- a/apps/emqx_rule_engine/test/emqx_rule_funcs_SUITE.erl
+++ b/apps/emqx_rule_engine/test/emqx_rule_funcs_SUITE.erl
@@ -632,6 +632,17 @@ prop_zip_fun() ->
     ?FORALL(S, binary(),
             S == apply_func(unzip, [apply_func(zip, [S])])).
 
+%%------------------------------------------------------------------------------
+%% Test cases for zip funcs
+%%------------------------------------------------------------------------------
+
+t_zip_compress_funcs(_) ->
+    ?PROPTEST(prop_zip_compress_fun).
+
+prop_zip_compress_fun() ->
+    ?FORALL(S, binary(),
+            S == apply_func(zip_uncompress, [apply_func(zip_compress, [S])])).
+
 %%------------------------------------------------------------------------------
 %% Test cases for base64
 %%------------------------------------------------------------------------------
diff --git a/include/emqx_release.hrl b/include/emqx_release.hrl
index b3b06c23f..f0a4f6d78 100644
--- a/include/emqx_release.hrl
+++ b/include/emqx_release.hrl
@@ -29,7 +29,7 @@
 
 -ifndef(EMQX_ENTERPRISE).
 
--define(EMQX_RELEASE, {opensource, "4.4.3-rc.2"}).
+-define(EMQX_RELEASE, {opensource, "4.4.3-rc.3"}).
 
 -else.
 
diff --git a/priv/emqx.schema b/priv/emqx.schema
index d057610d0..d799f170d 100644
--- a/priv/emqx.schema
+++ b/priv/emqx.schema
@@ -2434,7 +2434,7 @@ end}.
 {translation, "emqx.shared_subscription_strategy_per_group", fun(Conf) ->
   Conf0 = cuttlefish_variable:filter_by_prefix("broker", Conf),
   Groups = lists:filtermap(fun({["broker", Group, "shared_subscription_strategy"], Strategy}) ->
-                       {true, {Group, list_to_binary(Strategy)}};
+                       {true, {list_to_binary(Group), Strategy}};
                      (_) ->
                        false
                   end, Conf0),