diff --git a/pkg/ddc/base/portallocator/bitmap_allocator.go b/pkg/ddc/base/portallocator/bitmap_allocator.go
index fc7ed032933..8d6f37c9636 100644
--- a/pkg/ddc/base/portallocator/bitmap_allocator.go
+++ b/pkg/ddc/base/portallocator/bitmap_allocator.go
@@ -30,7 +30,8 @@ type BitMapAllocator struct {
 	alloc *portallocator.PortAllocator
 	log   logr.Logger
 }
-
+// needResetReservedPorts reports whether the bitmap allocator needs to reset
+// its reserved port state before allocating ports.
 func (b *BitMapAllocator) needResetReservedPorts() bool {
 	return true
 }