diff --git a/internal/db/models/node_dao.go b/internal/db/models/node_dao.go
index 9d459bcc..3ae07f42 100644
--- a/internal/db/models/node_dao.go
+++ b/internal/db/models/node_dao.go
@@ -575,6 +575,21 @@ func (this *NodeDAO) FindAllNotInstalledNodesWithClusterId(clusterId int64) (res
 	return
 }
 
+// 计算所有低于某个版本的节点数量
+func (this *NodeDAO) CountAllLowerVersionNodesWithClusterId(clusterId int64, os string, arch string, version string) (int64, error) {
+	return this.Query().
+		State(NodeStateEnabled).
+		Attr("clusterId", clusterId).
+		Where("status IS NOT NULL").
+		Where("JSON_EXTRACT(status, '$.os')=:os").
+		Where("JSON_EXTRACT(status, '$.arch')=:arch").
+		Where("INET_ATON(JSON_UNQUOTE(JSON_EXTRACT(status, '$.buildVersion')))<INET_ATON(:version)").
+		Param("os", os).
+		Param("arch", arch).
+		Param("version", version).
+		Count()
+}
+
 // 查找所有低于某个版本的节点
 func (this *NodeDAO) FindAllLowerVersionNodesWithClusterId(clusterId int64, os string, arch string, version string) (result []*Node, err error) {
 	_, err = this.Query().
diff --git a/internal/rpc/services/service_node.go b/internal/rpc/services/service_node.go
index c66f7f94..00640273 100644
--- a/internal/rpc/services/service_node.go
+++ b/internal/rpc/services/service_node.go
@@ -792,10 +792,31 @@ func (this *NodeService) FindAllNotInstalledNodesWithClusterId(ctx context.Conte
 	return &pb.FindAllNotInstalledNodesWithClusterIdResponse{Nodes: result}, nil
 }
 
+// 计算需要升级的节点数量
+func (this *NodeService) CountAllUpgradeNodesWithClusterId(ctx context.Context, req *pb.CountAllUpgradeNodesWithClusterIdRequest) (*pb.RPCCountResponse, error) {
+	// 校验请求
+	_, err := this.ValidateAdmin(ctx, 0)
+	if err != nil {
+		return nil, err
+	}
+
+	deployFiles := installers.SharedDeployManager.LoadFiles()
+	total := int64(0)
+	for _, deployFile := range deployFiles {
+		count, err := models.SharedNodeDAO.CountAllLowerVersionNodesWithClusterId(req.ClusterId, deployFile.OS, deployFile.Arch, deployFile.Version)
+		if err != nil {
+			return nil, err
+		}
+		total += count
+	}
+
+	return this.SuccessCount(total)
+}
+
 // 列出所有需要升级的节点
 func (this *NodeService) FindAllUpgradeNodesWithClusterId(ctx context.Context, req *pb.FindAllUpgradeNodesWithClusterIdRequest) (*pb.FindAllUpgradeNodesWithClusterIdResponse, error) {
 	// 校验请求
-	_, _, err := rpcutils.ValidateRequest(ctx, rpcutils.UserTypeAdmin)
+	_, err := this.ValidateAdmin(ctx, 0)
 	if err != nil {
 		return nil, err
 	}