diff --git a/lib/state_model.dart b/lib/state_model.dart
index a65e1ed..bfc28fc 100644
--- a/lib/state_model.dart
+++ b/lib/state_model.dart
@@ -159,6 +159,7 @@ class AssetModel extends ChangeNotifier {
     localHasMore = true;
     localAssets = [];
     notifyListeners();
+    stateModel.setNotSyncedPhotos([]);
     await getLocalPhotos();
   }
 
@@ -170,6 +171,7 @@ class AssetModel extends ChangeNotifier {
     remoteAssets = [];
     notifyListeners();
     remoteGetting = null;
+    stateModel.setNotSyncedPhotos([]);
     await getRemotePhotos();
   }
 
diff --git a/lib/storage/storage.dart b/lib/storage/storage.dart
index 466067e..e05cdd1 100644
--- a/lib/storage/storage.dart
+++ b/lib/storage/storage.dart
@@ -107,6 +107,20 @@ class RemoteStorage {
     final thumbLen = thumbnailData!.length;
     final totalLen = imgLen + thumbLen;
     stateModel.updateUploadProgress(asset.id, uploaded, totalLen);
+
+    final thumbRsp = await http.post(
+      Uri.parse("$httpBaseUrl/thumbnail/$name"),
+      body: thumbnailData,
+      headers: {
+        'Image-Date': dateStr,
+      },
+    );
+    stateModel.updateUploadProgress(asset.id, uploaded + thumbLen, totalLen);
+    if (thumbRsp.statusCode != 200) {
+      stateModel.finishUpload(asset.id, false);
+      throw Exception("upload thumbnail failed: ${thumbRsp.statusCode}");
+    }
+
     var req = http.StreamedRequest("POST", Uri.parse("$httpBaseUrl/$name"));
     req.headers['Image-Date'] = dateStr;
     req.contentLength = await file.length();
@@ -123,19 +137,6 @@ class RemoteStorage {
       final body = await response.stream.bytesToString();
       throw Exception("upload failed: [${response.statusCode}] $body");
     }
-
-    final thumbRsp = await http.post(
-      Uri.parse("$httpBaseUrl/thumbnail/$name"),
-      body: thumbnailData,
-      headers: {
-        'Image-Date': dateStr,
-      },
-    );
-    stateModel.updateUploadProgress(asset.id, uploaded + thumbLen, totalLen);
-    if (thumbRsp.statusCode != 200) {
-      stateModel.finishUpload(asset.id, false);
-      throw Exception("upload thumbnail failed: ${thumbRsp.statusCode}");
-    }
     stateModel.finishUpload(asset.id, true);
   }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 7a0ed3d..36723f7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.3.3+17
+version: 1.3.4+18
 
 environment:
   sdk: '>=2.19.1 <3.0.0'
diff --git a/server/drive/baidu/baidu.go b/server/drive/baidu/baidu.go
index 8f9f62c..159db2f 100644
--- a/server/drive/baidu/baidu.go
+++ b/server/drive/baidu/baidu.go
@@ -437,7 +437,7 @@ func (d *BaiduNetdisk) Range(dir string, deal func(fs.FileInfo) bool) error {
 	}
 	fullpath := filepath.ToSlash(filepath.Join(d.rootPath, dir))
 	if fullpath == d.rootPath {
-		d.cacheDir()
+		d.cacheDir(true)
 	}
 	err := d.rangeFullDir(fullpath, deal)
 	return err
diff --git a/server/drive/baidu/fs.go b/server/drive/baidu/fs.go
index 374f492..2d65585 100644
--- a/server/drive/baidu/fs.go
+++ b/server/drive/baidu/fs.go
@@ -119,14 +119,12 @@ type fsNode struct {
 	UpdateTime time.Time
 }
 
-func (d *BaiduNetdisk) cacheDir() error {
-	ok := d.cacheRLock.TryLock()
-	if !ok {
-		d.cacheRLock.RLock()
-		d.cacheRLock.RUnlock()
+func (d *BaiduNetdisk) cacheDir(force bool) error {
+	d.cacheRLock.Lock()
+	defer d.cacheRLock.Unlock()
+	if !force && d.fsCache != nil && time.Since(d.fsCache.UpdateTime) < 10*time.Minute {
 		return nil
 	}
-	defer d.cacheRLock.Unlock()
 	d.fsCache = &fsNode{
 		name:       "",
 		isDir:      true,
@@ -215,7 +213,7 @@ func (d *BaiduNetdisk) cacheDir() error {
 
 func (d *BaiduNetdisk) getFsID(fullPath string) (uint64, error) {
 	if d.getRootFsNode() == nil {
-		err := d.cacheDir()
+		err := d.cacheDir(false)
 		if err != nil {
 			return 0, fmt.Errorf("cache dir error: %v", err)
 		}
@@ -231,7 +229,7 @@ RETRY:
 		v, ok := currentDir.children[name]
 		if !ok {
 			if !retried {
-				err := d.cacheDir()
+				err := d.cacheDir(true)
 				if err != nil {
 					return 0, fmt.Errorf("cache dir error: %v", err)
 				}
@@ -258,7 +256,7 @@ func (d *BaiduNetdisk) rangeFullDir(fullDir string, deal func(fs.FileInfo) bool)
 	eles := strings.Split(fullDir, "/")
 	currentDir := d.getRootFsNode()
 	if currentDir == nil || time.Since(currentDir.UpdateTime) > 10*time.Minute {
-		err := d.cacheDir()
+		err := d.cacheDir(true)
 		if err != nil {
 			log.Printf("cache dir error: %v", err)
 			goto NOCACHE