diff --git a/.gitignore b/.gitignore
index dc2efa5004f..a9d942fe706 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,4 @@ coverage
 go.work*
 embedded_assets_handler.go
 *.log
+*.bin
diff --git a/pkg/utils/testutil/leak.go b/pkg/utils/testutil/leak.go
index 43d3df150ba..ba2ebb7fcb0 100644
--- a/pkg/utils/testutil/leak.go
+++ b/pkg/utils/testutil/leak.go
@@ -26,6 +26,7 @@ var LeakOptions = []goleak.Option{
 	goleak.IgnoreTopFunction("sync.runtime_notifyListWait"),
 	// TODO: remove the below options once we fixed the http connection leak problems
 	goleak.IgnoreTopFunction("internal/poll.runtime_pollWait"),
+	goleak.IgnoreTopFunction("net/http.(*persistConn).writeLoop"),
 	// natefinch/lumberjack#56, It's a goroutine leak bug. Another ignore option PR https://github.com/pingcap/tidb/pull/27405/
 	goleak.IgnoreTopFunction("gopkg.in/natefinch/lumberjack%2ev2.(*Logger).millRun"),
 }