update deleteBackup

pkg/app/raspberryChan.go

@@ -203,7 +203,10 @@ func recoverNode() error {
 }
 
 func deleteBackup() error {
-
+	s := time.Now()
+	defer func() {
+		tlog.Info("deleteBackup","cost",time.Since(s))
+	}()
 	backupPath := btyPath + "/datadir_backup"
 	if _,err := os.Stat(backupPath);err != nil {
 		if os.IsNotExist(err) {
@@ -211,7 +214,7 @@ func deleteBackup() error {
 			return errors.New("backup file not exists")
 		}
 	}
-	remove := exec.Command("rm","-rf","datadir_backup")
+	remove := exec.Command("rm","-rf",backupPath)
 	err := remove.Run()
 	if err != nil {
 		tlog.Error("rm -rf datadir_backup","err",err)