diff --git a/apps/emqx_bridge_iotdb/include/emqx_bridge_iotdb.hrl b/apps/emqx_bridge_iotdb/include/emqx_bridge_iotdb.hrl
index 5e6bf9ac5..5d693547a 100644
--- a/apps/emqx_bridge_iotdb/include/emqx_bridge_iotdb.hrl
+++ b/apps/emqx_bridge_iotdb/include/emqx_bridge_iotdb.hrl
@@ -5,7 +5,7 @@
 -ifndef(EMQX_BRIDGE_IOTDB_HRL).
 -define(EMQX_BRIDGE_IOTDB_HRL, true).
 
--define(VSN_1_0_X, 'v1.0.x').
+-define(VSN_1_X, 'v1.x').
 -define(VSN_0_13_X, 'v0.13.x').
 
 -endif.
diff --git a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb.erl b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb.erl
index 90e8d18a4..aa2c32589 100644
--- a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb.erl
+++ b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb.erl
@@ -109,10 +109,10 @@ basic_config() ->
             )},
         {iotdb_version,
             mk(
-                hoconsc:enum([?VSN_1_0_X, ?VSN_0_13_X]),
+                hoconsc:enum([?VSN_1_X, ?VSN_0_13_X]),
                 #{
                     desc => ?DESC("config_iotdb_version"),
-                    default => ?VSN_1_0_X
+                    default => ?VSN_1_X
                 }
             )}
     ] ++ resource_creation_opts() ++
@@ -217,7 +217,7 @@ conn_bridge_example(_Method, Type) ->
         is_aligned => false,
         device_id => <<"my_device">>,
         base_url => <<"http://iotdb.local:18080/">>,
-        iotdb_version => ?VSN_1_0_X,
+        iotdb_version => ?VSN_1_X,
         connect_timeout => <<"15s">>,
         pool_type => <<"random">>,
         pool_size => 8,
diff --git a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_impl.erl b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_impl.erl
index 416e19a3a..9014fde0b 100644
--- a/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_impl.erl
+++ b/apps/emqx_bridge_iotdb/src/emqx_bridge_iotdb_impl.erl
@@ -282,7 +282,7 @@ make_iotdb_insert_request(MessageUnparsedPayload, State) ->
     Message = MessageUnparsedPayload#{payload => PayloadParsed},
     IsAligned = maps:get(is_aligned, State, false),
     DeviceId = device_id(Message, State),
-    IotDBVsn = maps:get(iotdb_version, State, ?VSN_1_0_X),
+    IotDBVsn = maps:get(iotdb_version, State, ?VSN_1_X),
     Payload = make_list(maps:get(payload, Message)),
     PreProcessedData = preproc_data_list(Payload),
     DataList = proc_data(PreProcessedData, Message),
@@ -351,15 +351,15 @@ insert_value(1, Data, [Value | Values]) ->
 insert_value(Index, Data, [Value | Values]) ->
     [[null | Value] | insert_value(Index - 1, Data, Values)].
 
-iotdb_field_key(is_aligned, ?VSN_1_0_X) ->
+iotdb_field_key(is_aligned, ?VSN_1_X) ->
     <<"is_aligned">>;
 iotdb_field_key(is_aligned, ?VSN_0_13_X) ->
     <<"isAligned">>;
-iotdb_field_key(device_id, ?VSN_1_0_X) ->
+iotdb_field_key(device_id, ?VSN_1_X) ->
     <<"device">>;
 iotdb_field_key(device_id, ?VSN_0_13_X) ->
     <<"deviceId">>;
-iotdb_field_key(data_types, ?VSN_1_0_X) ->
+iotdb_field_key(data_types, ?VSN_1_X) ->
     <<"data_types">>;
 iotdb_field_key(data_types, ?VSN_0_13_X) ->
     <<"dataTypes">>.