diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..ab488f5
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,24 @@
+interface Detected {
+    browser: {
+        stock: boolean;
+        hidden: boolean;
+        channel: string;
+        name: string;
+        version: any;
+    }
+    engine: {
+        name: string;
+        version: any;
+    }
+    os: {
+        name: string;
+        version: any;
+    }
+    device:{
+        type: 'tablet' | 'mobile' | 'desktop';
+        identified: boolean;
+        manufacturer?: string;
+        model: string;
+    }
+}
+export default function uaDevice(uaString: string): Detected;
diff --git a/package.json b/package.json
index b536d85..c292af9 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.1.10",
   "description": "ua-device是由Baidu WebFE(FEX)团队开发的一个用于解析UA来得到用户终端信息的JS框架",
   "main": "index.js",
+  "types": "index.d.ts",
   "directories": {
     "test": "test"
   },