diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/handler/RPCServiceThriftHandlerMetrics.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/handler/RPCServiceThriftHandlerMetrics.java
index 1b1f6fb62a840..4189d5f4b2150 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/handler/RPCServiceThriftHandlerMetrics.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/handler/RPCServiceThriftHandlerMetrics.java
@@ -123,13 +123,13 @@ public void unbindFrom(AbstractMetricService metricService) {
         "ClientRPC");
 
     metricService.remove(
-        MetricType.TIMER,
+        MetricType.GAUGE,
         Metric.THRIFT_RPC_UNCOMPRESS_SIZE.toString(),
         Tag.NAME.toString(),
         "unCompressionSize");
 
     metricService.remove(
-        MetricType.TIMER,
+        MetricType.GAUGE,
         Metric.THRIFT_RPC_COMPRESS_SIZE.toString(),
         Tag.NAME.toString(),
         "compressionSize");