fix: backup file under root dir

executor/job_archive_init.go

@@ -32,7 +32,7 @@ func (a *jobArchiveExecutor) applyParam(ctx context.Context, param *entity.JobAr
 		sources := make([]*entity.SourceState, 0, len(param.Sources)*8)
 		for _, src := range param.Sources {
 			src.Base = strings.TrimSpace(src.Base)
-			if src.Base[0] != '/' {
+			if src.Base == "" || src.Base[0] != '/' {
 				src.Base = path.Join(a.exe.paths.Source, src.Base) + "/"
 			}
 			a.logger.Infof("walk source start, source_path= '%s'", src.RealPath())

frontend/src/pages/backup.tsx

@@ -176,7 +176,6 @@ const useBackupTargetBrowser = () => {
                 let splitIdx = path.lastIndexOf("/");
                 if (splitIdx < 0) {
                   splitIdx = -1
-                  return;
                 }
 
                 return { base: path.slice(0, splitIdx + 1), path: [path.slice(splitIdx + 1)] } as Source;