diff --git a/pkg/scheduler/partition.go b/pkg/scheduler/partition.go
index 992efad..a72dc75 100644
--- a/pkg/scheduler/partition.go
+++ b/pkg/scheduler/partition.go
@@ -1013,7 +1013,7 @@
 	pc.RLock()
 	defer pc.RUnlock()
 
-	return pc.totalPartitionResource
+	return pc.totalPartitionResource.Clone()
 }
 
 func (pc *PartitionContext) GetAllocatedResource() *resources.Resource {