diff --git a/app/obsidian/manifest-beta.json b/app/obsidian/manifest-beta.json
index 462b7b81..59ae0f76 100644
--- a/app/obsidian/manifest-beta.json
+++ b/app/obsidian/manifest-beta.json
@@ -1,7 +1,7 @@
 {
   "id": "zotlit",
   "name": "ZotLit",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "minAppVersion": "1.4.4",
   "versions": {
     "better-sqlite3": "8.0.1-mod.1"
diff --git a/app/obsidian/manifest.json b/app/obsidian/manifest.json
index 462b7b81..59ae0f76 100644
--- a/app/obsidian/manifest.json
+++ b/app/obsidian/manifest.json
@@ -1,7 +1,7 @@
 {
   "id": "zotlit",
   "name": "ZotLit",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "minAppVersion": "1.4.4",
   "versions": {
     "better-sqlite3": "8.0.1-mod.1"
diff --git a/app/obsidian/package.json b/app/obsidian/package.json
index d9bf6735..439bcb58 100644
--- a/app/obsidian/package.json
+++ b/app/obsidian/package.json
@@ -1,6 +1,6 @@
 {
   "name": "zotlit",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Obsidian.md plugin to integrate with Zotero, create literature notes and insert citations from a Zotero library.",
   "scripts": {
     "dev": "cross-env BUILD=development node esbuild.config.mjs",
diff --git a/app/obsidian/src/services/zotero-db/connector/service2.ts b/app/obsidian/src/services/zotero-db/connector/service2.ts
new file mode 100644
index 00000000..9a6529e0
--- /dev/null
+++ b/app/obsidian/src/services/zotero-db/connector/service2.ts
@@ -0,0 +1,33 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+import { Server } from "http";
+import { Service, calc } from "@ophidian/core";
+import { App } from "obsidian";
+import { SettingsService } from "@/settings/base";
+import ZoteroPlugin from "@/zt-main";
+import { DatabaseWorkerPool } from "./worker";
+
+export const enum DatabaseStatus {
+  NotInitialized,
+  Pending,
+  Ready,
+}
+
+export default class Database extends Service {
+  settings = this.use(SettingsService);
+  app = this.use(App);
+  plugin = this.use(ZoteroPlugin);
+  server = this.use(Server);
+  #instance = new DatabaseWorkerPool({
+    minWorkers: 1,
+    maxWorkers: 1,
+  });
+  get api() {
+    return this.#instance.proxy;
+  }
+
+  @calc get zoteroDataDir(): string {
+    return this.settings.current?.zoteroDataDir;
+  }
+
+  #status = DatabaseStatus.NotInitialized;
+}
diff --git a/app/obsidian/versions.json b/app/obsidian/versions.json
index 3afbf33e..fef6b8f8 100755
--- a/app/obsidian/versions.json
+++ b/app/obsidian/versions.json
@@ -29,5 +29,6 @@
   "1.1.0-beta.13": "1.4.4",
   "1.1.0-beta.14": "1.4.4",
   "1.1.0-beta.15": "1.4.4",
-  "1.1.0": "1.4.4"
+  "1.1.0": "1.4.4",
+  "1.1.1": "1.4.4"
 }
\ No newline at end of file
diff --git a/manifest-beta.json b/manifest-beta.json
index 462b7b81..59ae0f76 100644
--- a/manifest-beta.json
+++ b/manifest-beta.json
@@ -1,7 +1,7 @@
 {
   "id": "zotlit",
   "name": "ZotLit",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "minAppVersion": "1.4.4",
   "versions": {
     "better-sqlite3": "8.0.1-mod.1"
diff --git a/manifest.json b/manifest.json
index 462b7b81..59ae0f76 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "id": "zotlit",
   "name": "ZotLit",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "minAppVersion": "1.4.4",
   "versions": {
     "better-sqlite3": "8.0.1-mod.1"
diff --git a/versions.json b/versions.json
index 3afbf33e..fef6b8f8 100755
--- a/versions.json
+++ b/versions.json
@@ -29,5 +29,6 @@
   "1.1.0-beta.13": "1.4.4",
   "1.1.0-beta.14": "1.4.4",
   "1.1.0-beta.15": "1.4.4",
-  "1.1.0": "1.4.4"
+  "1.1.0": "1.4.4",
+  "1.1.1": "1.4.4"
 }
\ No newline at end of file