diff --git a/internal/distributed/proxy/service.go b/internal/distributed/proxy/service.go
index 66d96de5a7..b6510e9e0b 100644
--- a/internal/distributed/proxy/service.go
+++ b/internal/distributed/proxy/service.go
@@ -344,6 +344,7 @@ func (s *Server) DescribeCollection(ctx context.Context, request *milvuspb.Descr
 	return s.proxy.DescribeCollection(ctx, request)
 }
 
+// GetCollectionStatistics notifies Proxy to get a collection's Statistics
 func (s *Server) GetCollectionStatistics(ctx context.Context, request *milvuspb.GetCollectionStatisticsRequest) (*milvuspb.GetCollectionStatisticsResponse, error) {
 	return s.proxy.GetCollectionStatistics(ctx, request)
 }