diff --git a/apps/iot/src/influxdb/influx_client.erl b/apps/iot/src/influxdb/influx_client.erl
index 359ef60..1bf2b4e 100644
--- a/apps/iot/src/influxdb/influx_client.erl
+++ b/apps/iot/src/influxdb/influx_client.erl
@@ -54,15 +54,9 @@ get_precision(Timestamp) when is_integer(Timestamp) ->
 -spec write_data(Measurement :: binary(), Tags :: map(), FieldsList :: list(), Timestamp :: integer()) -> no_return().
 write_data(Measurement, Tags, FieldsList, Timestamp) when is_binary(Measurement), is_map(Tags), is_list(FieldsList), is_integer(Timestamp) ->
     %% 按照设备的uuid进行分组
-    Points = lists:map(fun(Fields) ->
-        NFields = case Fields of
-                      #{<<"key">> := Key, <<"value">> := Value, <<"unit">> := Unit, <<"name">> := Name, <<"label">> := Label} ->
-                          #{Key => jiffy:encode(#{<<"value">> => Value, <<"unit">> => Unit, <<"name">> => Name, <<"label">> => Label}, [force_utf8])};
-                      #{<<"key">> := Key, <<"value">> := Value, <<"unit">> := Unit} ->
-                          #{Key => jiffy:encode(#{<<"value">> => Value, <<"unit">> => Unit}, [force_utf8])};
-                      #{<<"key">> := Key, <<"value">> := Value} ->
-                          #{Key => #{<<"value">> => Value}}
-                  end,
+    Points = lists:map(fun(Fields = #{<<"key">> := Key}) ->
+        Values = maps:remove(<<"key">>, Fields),
+        NFields = #{Key => jiffy:encode(Values, [force_utf8])},
         influx_point:new(Measurement, Tags, NFields, Timestamp)
                        end, FieldsList),
     Precision = influx_client:get_precision(Timestamp),