diff --git a/apps/emqx_bridge/src/emqx_bridge.erl b/apps/emqx_bridge/src/emqx_bridge.erl
index ff86dc69a..69c913ee8 100644
--- a/apps/emqx_bridge/src/emqx_bridge.erl
+++ b/apps/emqx_bridge/src/emqx_bridge.erl
@@ -98,9 +98,6 @@
 
 -define(ROOT_KEY, bridges).
 
-%% See `hocon_tconf`
--define(MAP_KEY_RE, <<"^[A-Za-z0-9]+[A-Za-z0-9-_]*$">>).
-
 load() ->
     Bridges = emqx:get_config([?ROOT_KEY], #{}),
     emqx_utils:pforeach(
diff --git a/apps/emqx_bridge/src/emqx_bridge_v2.erl b/apps/emqx_bridge/src/emqx_bridge_v2.erl
index 8fc44ea80..56fe0029a 100644
--- a/apps/emqx_bridge/src/emqx_bridge_v2.erl
+++ b/apps/emqx_bridge/src/emqx_bridge_v2.erl
@@ -1596,12 +1596,14 @@ split_and_validate_bridge_v1_config(BridgeV1Type, BridgeName, RawConf, PreviousR
             Output
         ),
     %% Validate the connector config and the bridge_v2 config
-    NewFakeGlobalConfig = #{
+    NewFakeConnectorConfig = #{
         <<"connectors">> => #{
             bin(ConnectorType) => #{
                 bin(ConnectorName) => NewConnectorRawConf
             }
-        },
+        }
+    },
+    NewFakeBridgeV2Config = #{
         ConfRootKey => #{
             bin(BridgeV2Type) => #{
                 bin(BridgeName) => NewBridgeV2RawConf
@@ -1609,9 +1611,14 @@ split_and_validate_bridge_v1_config(BridgeV1Type, BridgeName, RawConf, PreviousR
         }
     },
     try
-        hocon_tconf:check_plain(
-            emqx_schema,
-            NewFakeGlobalConfig,
+        _ = hocon_tconf:check_plain(
+            emqx_connector_schema,
+            NewFakeConnectorConfig,
+            #{atom_key => false, required => false}
+        ),
+        _ = hocon_tconf:check_plain(
+            emqx_bridge_v2_schema,
+            NewFakeBridgeV2Config,
             #{atom_key => false, required => false}
         )
     of
@@ -1627,8 +1634,10 @@ split_and_validate_bridge_v1_config(BridgeV1Type, BridgeName, RawConf, PreviousR
             }
     catch
         %% validation errors
+        throw:{_Module, [Reason1 | _]} ->
+            throw(Reason1);
         throw:Reason1 ->
-            {error, Reason1}
+            throw(Reason1)
     end.
 
 get_conf_root_key(#{<<"actions">> := _}) ->
diff --git a/apps/emqx_resource/include/emqx_resource.hrl b/apps/emqx_resource/include/emqx_resource.hrl
index 9a31bb6ff..587786cb2 100644
--- a/apps/emqx_resource/include/emqx_resource.hrl
+++ b/apps/emqx_resource/include/emqx_resource.hrl
@@ -154,7 +154,9 @@
 %% boolean
 -define(START_AFTER_CREATED, true).
 
--define(TEST_ID_PREFIX, "_probe_:").
+%% Keep this test_id_prefix is match "^[A-Za-z0-9]+[A-Za-z0-9-_]*$".
+%% See `hocon_tconf`
+-define(TEST_ID_PREFIX, "t_probe_").
 -define(RES_METRICS, resource_metrics).
 
 -define(RESOURCE_ALLOCATION_TAB, emqx_resource_allocations).
diff --git a/apps/emqx_resource/src/emqx_resource.erl b/apps/emqx_resource/src/emqx_resource.erl
index 0737b2a73..6e959817d 100644
--- a/apps/emqx_resource/src/emqx_resource.erl
+++ b/apps/emqx_resource/src/emqx_resource.erl
@@ -84,6 +84,7 @@
     get_allocated_resources/1,
     get_allocated_resources_list/1,
     forget_allocated_resources/1,
+    deallocate_resource/2,
     %% Get channel config from resource
     call_get_channel_config/3
 ]).
@@ -650,6 +651,10 @@ forget_allocated_resources(InstanceId) ->
     true = ets:delete(?RESOURCE_ALLOCATION_TAB, InstanceId),
     ok.
 
+deallocate_resource(InstanceId, Key) ->
+    true = ets:match_delete(?RESOURCE_ALLOCATION_TAB, {InstanceId, Key, '_'}),
+    ok.
+
 -spec create_metrics(resource_id()) -> ok.
 create_metrics(ResId) ->
     emqx_metrics_worker:create_metrics(