diff --git a/weed/filer/filer.go b/weed/filer/filer.go
index 07d40acc8..f6f06d9b2 100644
--- a/weed/filer/filer.go
+++ b/weed/filer/filer.go
@@ -3,14 +3,15 @@ package filer
 import (
 	"context"
 	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/cluster"
-	"github.com/seaweedfs/seaweedfs/weed/pb"
-	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 	"os"
 	"sort"
 	"strings"
 	"time"
 
+	"github.com/seaweedfs/seaweedfs/weed/cluster"
+	"github.com/seaweedfs/seaweedfs/weed/pb"
+	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
+
 	"google.golang.org/grpc"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
@@ -254,7 +255,9 @@ func (f *Filer) ensureParentDirectoryEntry(ctx context.Context, entry *Entry, di
 				return fmt.Errorf("mkdir %s: %v", dirPath, mkdirErr)
 			}
 		} else {
-			f.NotifyUpdateEvent(ctx, nil, dirEntry, false, isFromOtherCluster, nil)
+			if !strings.HasPrefix("/"+util.Join(dirParts[:]...), SystemLogDir) {
+				f.NotifyUpdateEvent(ctx, nil, dirEntry, false, isFromOtherCluster, nil)
+			}
 		}
 
 	} else if !dirEntry.IsDirectory() {
diff --git a/weed/mount/page_writer/page_chunk_mem.go b/weed/mount/page_writer/page_chunk_mem.go
index 3928f7077..70814262d 100644
--- a/weed/mount/page_writer/page_chunk_mem.go
+++ b/weed/mount/page_writer/page_chunk_mem.go
@@ -1,10 +1,11 @@
 package page_writer
 
 import (
-	"github.com/seaweedfs/seaweedfs/weed/util"
-	"github.com/seaweedfs/seaweedfs/weed/util/mem"
 	"sync"
 	"sync/atomic"
+
+	"github.com/seaweedfs/seaweedfs/weed/util"
+	"github.com/seaweedfs/seaweedfs/weed/util/mem"
 )
 
 var (
@@ -100,11 +101,6 @@ func (mc *MemChunk) SaveContent(saveFn SaveToStorageFunc) {
 	if saveFn == nil {
 		return
 	}
-	for t := mc.usage.head.next; t != mc.usage.tail; t = t.next {
-		reader := util.NewBytesReader(mc.buf[t.StartOffset:t.stopOffset])
-		saveFn(reader, int64(mc.logicChunkIndex)*mc.chunkSize+t.StartOffset, t.Size(), t.TsNs, func() {
-		})
-	}
 
 	for t := mc.usage.head.next; t != mc.usage.tail; t = t.next {
 		startOffset := t.StartOffset
diff --git a/weed/mount/weedfs_file_mkrm.go b/weed/mount/weedfs_file_mkrm.go
index 02171fe99..2da316a50 100644
--- a/weed/mount/weedfs_file_mkrm.go
+++ b/weed/mount/weedfs_file_mkrm.go
@@ -3,12 +3,13 @@ package mount
 import (
 	"context"
 	"fmt"
+	"syscall"
+	"time"
+
 	"github.com/hanwen/go-fuse/v2/fuse"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
-	"syscall"
-	"time"
 )
 
 /**
@@ -144,7 +145,6 @@ func (wfs *WFS) Unlink(cancel <-chan struct{}, header *fuse.InHeader, name strin
 		return fuse.EIO
 	}
 
-	wfs.metaCache.DeleteEntry(context.Background(), entryFullPath)
 	wfs.inodeToPath.RemovePath(entryFullPath)
 
 	return fuse.OK