diff --git a/internal/datacoord/channel_manager_factory.go b/internal/datacoord/channel_manager_factory.go
index ac93042a12..3dcabc849a 100644
--- a/internal/datacoord/channel_manager_factory.go
+++ b/internal/datacoord/channel_manager_factory.go
@@ -92,6 +92,7 @@ func (f *ConsistentHashChannelPolicyFactory) NewAssignPolicy() ChannelAssignPoli
 	return ConsistentHashChannelAssignPolicy(f.hashring)
 }
 
+// NewReassignPolicy creates a new reassign policy
 func (f *ConsistentHashChannelPolicyFactory) NewReassignPolicy() ChannelReassignPolicy {
 	return EmptyReassignPolicy
 }