diff --git a/code/rest/matter_service.go b/code/rest/matter_service.go
index 916fd67..52e76d7 100644
--- a/code/rest/matter_service.go
+++ b/code/rest/matter_service.go
@@ -1166,6 +1166,11 @@ func (this *MatterService) scanPhysicsFolder(request *http.Request, dirInfo os.F
 					this.logger.Info("update matter: %s size:%d -> %d", name, matter.Size, fileInfo.Size())
 					this.updateNonDirMatter(matter, fileInfo.Size(), user)
 				}
+			} else {
+
+				//recursive scan this folder.
+				this.scanPhysicsFolder(request, fileInfo, matter, user)
+
 			}
 
 		} else {
diff --git a/code/rest/task_service.go b/code/rest/task_service.go
index 7989b9f..8d002e3 100644
--- a/code/rest/task_service.go
+++ b/code/rest/task_service.go
@@ -91,11 +91,11 @@ func (this *TaskService) doScanTask() {
 		if err := recover(); err != nil {
 			this.logger.Info("occur error when do scan task.")
 		}
-		this.logger.Info("finish do scan task.")
+		this.logger.Info("finish the scan task.")
 		this.scanTaskRunning = false
 	}()
 
-	this.logger.Info("do the scan task.")
+	this.logger.Info("[cron job] do the scan task.")
 	preference := this.preferenceService.Fetch()
 	scanConfig := preference.FetchScanConfig()