diff --git a/BrowserAesCtr.js b/BrowserAesCtr.js
index f544cd4..a32b199 100644
--- a/BrowserAesCtr.js
+++ b/BrowserAesCtr.js
@@ -18,7 +18,7 @@ class BrowserAesCtr {
      * @param {Array|String} data 
      * @returns {Uint8Array}
      */
-    encrypt(data) {
+    async encrypt(data) {
         if(hasCrypto){
             return this.encryptByCrypto(data)
         }
@@ -37,7 +37,7 @@ class BrowserAesCtr {
      * @param {Array|String} data if string, must be base64
      * @returns {Uint8Array}
      */
-    decrypt(data) {
+    async decrypt(data) {
         if(hasCrypto){
             return this.decryptByCrypto(data)
         }
diff --git a/package.json b/package.json
index 2d08d2a..4794a66 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "browser-rsa",
   "type": "module",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "pure js rsa, rsa for browser, 微信小程序 rsa",
   "keywords": [
     "browser",