diff --git a/meilisearch.ts b/meilisearch.ts
index a9314f8..2ee9aca 100644
--- a/meilisearch.ts
+++ b/meilisearch.ts
@@ -128,6 +128,10 @@ export class MeiliSearchServer {
         const gmeta = await this.gmeta;
         await this.waitTask(gmeta.deleteDocument(gid));
     }
+    async removeAllGallery() {
+        const gmeta = await this.gmeta;
+        await this.waitTask(gmeta.deleteAllDocuments());
+    }
     async updateGallery(...gids: number[]) {
         const gmeta = await this.gmeta;
         const datas = gids.map((gid) => {
diff --git a/tasks/update_meili_search_data.ts b/tasks/update_meili_search_data.ts
index d4a97d2..0efa8c9 100644
--- a/tasks/update_meili_search_data.ts
+++ b/tasks/update_meili_search_data.ts
@@ -6,6 +6,7 @@ export async function update_meili_search_data(
     manager: TaskManager,
 ) {
     if (!manager.meilisearch) throw Error("MeiliServer not found.");
+    await manager.meilisearch.removeAllGallery();
     const progress: TaskUpdateMeiliSearchDataProgress = {
         total_gallery: 0,
         updated_gallery: 0,