diff --git a/src/common/base/src/runtime/metrics/process_collector.rs b/src/common/base/src/runtime/metrics/process_collector.rs
index 371f6eac8a956..3da0e2779950c 100644
--- a/src/common/base/src/runtime/metrics/process_collector.rs
+++ b/src/common/base/src/runtime/metrics/process_collector.rs
@@ -1,3 +1,17 @@
+// Copyright 2021 Datafuse Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 use prometheus_client::collector::Collector;
 use prometheus_client::encoding::EncodeMetric;
 use prometheus_client::metrics::counter::ConstCounter;
diff --git a/src/query/service/tests/it/metrics.rs b/src/query/service/tests/it/metrics.rs
index ea5533324509c..b4382b9b8968e 100644
--- a/src/query/service/tests/it/metrics.rs
+++ b/src/query/service/tests/it/metrics.rs
@@ -54,7 +54,6 @@ async fn test_metric_server() -> databend_common_exception::Result<()> {
 fn test_process_collector() {
     let stat = dump_process_stat().unwrap();
 
-    assert!(stat.cpu_secs > 0.0);
     assert!(stat.max_fds > 0);
     assert!(stat.vsize > 0);
     assert!(stat.rss > 0);