diff --git a/README.md b/README.md
index 37820e5092227c9bbf96eaaad0f3ce3fb4a5887b..5af249d777b99264eef31f0991bd6c9d12916e30 100644
--- a/README.md
+++ b/README.md
@@ -147,4 +147,7 @@ DevEco Studio : 4.1.3.600, SDK: API11 (4.1.0.67)
 使用过程中发现任何问题都可以提 [Issue](https://gitee.com/openharmony-sig/crypto-js/issues) 给我们，当然，我们也非常欢迎你给我们发 [PR](https://gitee.com/openharmony-sig/crypto-js/pulls) 。
 
 ## 开源协议
-本项目基于 [MIT License](https://gitee.com/openharmony-sig/crypto-js/blob/master/LICENSE) ，请自由地享受和参与开源。
\ No newline at end of file
+本项目基于 [MIT License](https://gitee.com/openharmony-sig/crypto-js/blob/master/LICENSE) ，请自由地享受和参与开源。
+
+## 遗留问题
+- pbkdf2算法性能问题
\ No newline at end of file
diff --git a/entry/src/ohosTest/ets/test/pbkdf2-test.test.ets b/entry/src/ohosTest/ets/test/pbkdf2-test.test.ets
index 477071b41161f87c52111f7e4511b35e6ea69645..0f2933217edfae746dff00bdb4c67a56d7f9db5a 100644
--- a/entry/src/ohosTest/ets/test/pbkdf2-test.test.ets
+++ b/entry/src/ohosTest/ets/test/pbkdf2-test.test.ets
@@ -37,7 +37,7 @@ async function taskPBKDF2PasswordSalt(password: CryptoJS.lib.WordArray|string, s
 
 @Concurrent
 async function taskPBKDF2Create(): Promise<string> {
-  return CryptoJS.algo.PBKDF2.create(KeySizeF(128 / 32))
+  return CryptoJS.algo.PBKDF2.create(KeyIterationsFn(128 / 32,10000))
     .compute('password', 'ATHENA.MIT.EDUraeburn')
     .toString()
 }
@@ -53,8 +53,8 @@ export default function pbkdf2Test() {
 
     it('pbkdf2Test_testKeySize128', 0, async (done:Function) => {
       try {
-        let  data:ESObject=await taskpool.execute(taskPBKDF2, KeySizeF(128 / 32))
-        expect('62929ab995a1111c75c37bc562261ea3')
+        let  data:ESObject=await taskpool.execute(taskPBKDF2, KeyIterationsFn(128 / 32,10000))
+        expect('4cd30cf34c664059b3640bad0817a0e9')
           .assertEqual(data)
 
       } finally {
@@ -64,8 +64,8 @@ export default function pbkdf2Test() {
 
     it('pbkdf2Test_testKeySize256', 0,async (done:Function) => {
       try {
-        let data:ESObject=await taskpool.execute(taskPBKDF2, KeySizeF(256 / 32))
-        expect('62929ab995a1111c75c37bc562261ea3fb3cdc7e725c4ca87c03cec5bb7663e1')
+        let data:ESObject=await taskpool.execute(taskPBKDF2, KeyIterationsFn(256 / 32,10000))
+        expect('4cd30cf34c664059b3640bad0817a0e900bbc933c2bd5a3e815cc358fc6b82b1')
           .assertEqual(data)
       } finally {
         done()
@@ -185,7 +185,7 @@ export default function pbkdf2Test() {
       try {
         let taskPBKDF2C: ESObject = await taskpool.execute(taskPBKDF2Create);
 
-        let data: ESObject = await taskpool.execute(taskPBKDF2, KeySizeF(128 / 32))
+        let data: ESObject = await taskpool.execute(taskPBKDF2, KeyIterationsFn(128 / 32,10000))
 
         expect(taskPBKDF2C).assertEqual(data)
       } finally {