diff --git a/src/data/repositories.rs b/src/data/repositories.rs
index 8824a6b..c143693 100644
--- a/src/data/repositories.rs
+++ b/src/data/repositories.rs
@@ -190,7 +190,7 @@ impl<T: EntityData + Clone + Send + Sync, R: Repository<T, D>, D: DbLayer<T>> Qu
                 .collect::<Vec<_>>(),
         );
 
-        debug!("Query for {} elements (filtered {}) takes {:?}", self.len(), self.cache.len(), time.elapsed());
+        debug!("Query for {} elements (filtered {}) takes {:?}", data_repository.len(), self.cache.len(), time.elapsed());
     }
 
     pub fn handles(&self) -> impl Iterator<Item = EntityHandle<T>> {
diff --git a/src/data_provider/sqlite.rs b/src/data_provider/sqlite.rs
index 43a7da2..7fd9fab 100644
--- a/src/data_provider/sqlite.rs
+++ b/src/data_provider/sqlite.rs
@@ -116,9 +116,10 @@ impl SqliteConnection {
                 error!("Ошибка при checkpoint WAL: {e}");
             });
         connection
-            .query_row("PRAGMA optimize", [], |_| Ok(()))
+            .execute("PRAGMA optimize", [])
             .unwrap_or_else(|e| {
                 error!("Ошибка при  оптимизации БД: {e}");
+                0
             });
 
         self.0 = None;
@@ -127,3 +128,8 @@ impl SqliteConnection {
         self.0 = Some(default_connection());
     }
 }
+
+impl Drop for SqliteConnection {
+
+fn drop(&mut self) { self.finish(); }
+}
\ No newline at end of file
diff --git a/src/pages/dictionary.rs b/src/pages/dictionary.rs
index 59c485d..0435255 100644
--- a/src/pages/dictionary.rs
+++ b/src/pages/dictionary.rs
@@ -106,6 +106,9 @@ impl NavigatedPage<DictionaryMessage> for DictionaryState {
     fn navigated(&mut self) {
         self.included = Default::default();
         self.tag_map = Default::default();
+        let groups = self.state.word_groups.read();
+        self.groups_query.load(&groups);
+        drop(groups);
         self.update_tags();
     }
 
diff --git a/src/pages/sync.rs b/src/pages/sync.rs
index 554ace7..954cc4c 100644
--- a/src/pages/sync.rs
+++ b/src/pages/sync.rs
@@ -273,7 +273,18 @@ impl SyncState {
             .unwrap_or_else(|e| {
                 error!("Ошибка при checkpoint WAL: {e}");
             });
-
+        connection
+            .execute("VACUUM;", [])
+            .unwrap_or_else(|e| {
+                error!("Ошибка при checkpoint WAL: {e}");
+                0
+            });
+        connection
+            .execute("PRAGMA optimize;", [])
+            .unwrap_or_else(|e| {
+                error!("Ошибка при checkpoint WAL: {e}");
+                0
+            });
         connection.finish();
     }
 }