diff --git a/src/api.js b/src/api.js
index a26b96a..ba3b2b9 100644
--- a/src/api.js
+++ b/src/api.js
@@ -4,7 +4,37 @@
  * @date 2020/08/31 15:46:20
  */
 
-import Method from './method.js'
+class Method {
+  constructor(table) {
+    this.table = table
+  }
+
+  put(obj) {
+    this.table.put(obj)
+  }
+
+  get(id) {
+    var res = this.table.get(id)
+    return new Promise(resolve => {
+      res.onsuccess = function (ev) {
+        resolve(this.result)
+      }
+    })
+  }
+
+  getAll() {
+    var res = this.table.getAll()
+    return new Promise(resolve => {
+      res.onsuccess = function (ev) {
+        resolve(this.result)
+      }
+    })
+  }
+
+  delete(id) {
+    this.table.delete(id)
+  }
+}
 
 export default class Api {
   constructor(db) {
diff --git a/src/index.js b/src/index.js
index f91b15e..715cd85 100644
--- a/src/index.js
+++ b/src/index.js
@@ -4,7 +4,7 @@
  * @date 2023/04/11 15:10:04
  */
 
-import { defer, createTable } from './helper.js'
+import { defer } from './helper.js'
 import Api from './api.js'
 
 export function createStore(name, version = 1) {
diff --git a/src/method.js b/src/method.js
deleted file mode 100644
index 2f7c604..0000000
--- a/src/method.js
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * {}
- * @author yutent<yutent.io@gmail.com>
- * @date 2023/04/11 15:11:31
- */
-
-export default class Method {
-  constructor(table) {
-    this.table = table
-  }
-
-  put(obj) {
-    this.table.put(obj)
-  }
-
-  get(id) {
-    var res = this.table.get(id)
-    return new Promise(resolve => {
-      res.onsuccess = function (ev) {
-        resolve(this.result)
-      }
-    })
-  }
-
-  getAll() {
-    var res = this.table.getAll()
-    return new Promise(resolve => {
-      res.onsuccess = function (ev) {
-        resolve(this.result)
-      }
-    })
-  }
-
-  delete(id) {
-    this.table.delete(id)
-  }
-}