diff --git a/core/handler/client/handle.go b/core/handler/client/handle.go
index ed709a3..a3964e8 100644
--- a/core/handler/client/handle.go
+++ b/core/handler/client/handle.go
@@ -509,14 +509,16 @@ func handleLogUpload() http.HandlerFunc {
 			return
 		}
 
+		var opts []any
 		if isAll {
 			if err := ll.Reset(ctx, stepID); err != nil {
 				ctr.InternalError(w, err)
 				return
 			}
+			opts = []any{livelog.PublishOption(false)}
 		}
 		for _, line := range lines {
-			if err := ll.Write(ctx, stepID, line); err != nil {
+			if err := ll.Write(ctx, stepID, line, opts); err != nil {
 				ctr.InternalError(w, err)
 				return
 			}
diff --git a/pkg/livelog/file.go b/pkg/livelog/file.go
index 8a7f51b..7106973 100644
--- a/pkg/livelog/file.go
+++ b/pkg/livelog/file.go
@@ -167,7 +167,7 @@ func (f *file) Watch(ctx context.Context, id string) (<-chan *Line, <-chan struc
 	return sub.handler, sub.waitForClose(), nil
 }
 
-func (f *file) Write(ctx context.Context, id string, line *Line) error {
+func (f *file) Write(ctx context.Context, id string, line *Line, args ...any) error {
 	fi := f.get(id)
 	if fi == nil {
 		return fmt.Errorf("log stream not found for %s", id)
@@ -190,6 +190,11 @@ func (f *file) Write(ctx context.Context, id string, line *Line) error {
 	}
 	f.mux.Unlock()
 
+	for _, arg := range args {
+		if v, ok := arg.(PublishOption); ok && !bool(v) {
+			return nil
+		}
+	}
 	for client := range clients {
 		client.publish(line)
 	}
diff --git a/pkg/livelog/livelog.go b/pkg/livelog/livelog.go
index 0d7b745..271192b 100644
--- a/pkg/livelog/livelog.go
+++ b/pkg/livelog/livelog.go
@@ -25,13 +25,15 @@ const LineMaxBuffer = 3000
 type Interface interface {
 	List(ctx context.Context, id string) ([]*Line, error)
 	Watch(ctx context.Context, id string) (<-chan *Line, <-chan struct{}, error)
-	Write(ctx context.Context, id string, line *Line) error
+	Write(ctx context.Context, id string, line *Line, args ...any) error
 	LineCount(ctx context.Context, id string) int
 	Reset(ctx context.Context, id string) error
 	Create(ctx context.Context, id string) error
 	Delete(ctx context.Context, id string) error
 }
 
+type PublishOption bool
+
 type Config struct {
 	File *ConfigFile `json:"file,omitempty"`
 }