HarmonyOS 鸿蒙Next AES加密第一次以后都报错401

cryptoFramework.Cipher创建成功后，加密数据，首次调用下面的encrypt方法是成功的，后面就都报{“code”:401}错误，这个为啥呢？
init();
encrypt("lhofiewhofewhofJjh哈哈哈哈“);
encrypt(“lhofiewhofewhofJjhdddd哈“);
encrypt(“lhofiewhofewhofJjh哈ssssss哈“);

init() {
if(this.initialed){
return;
}
let symKeyGenerator = cryptoFramework.createSymKeyGenerator(this.algorithmWithLength);
let array: Uint8Array = StringUtils.stringToUint8Array(this.password)
let keyMaterialBlob: cryptoFramework.DataBlob = { data: array }
try {
symKeyGenerator.convertKey(keyMaterialBlob, (error, key) => {
if (error) {
let e: BusinessError = error as BusinessError;
console.error(convertKey error, ${e.code}, ${e.message}, ‘AESLog’);
return;
}
this.aesKey = key; // 获取对称密钥的二进制数据，并以字节数组形式输出。
console.info(aes key hex: ${this.aesKey.getEncoded().data}, ‘AESLog’);
try {
this.cryptoCipher = cryptoFramework.createCipher(this.algorithmWithLength + ‘|’
+ this.blockCipherMode + ‘|’
+ this.paddingMode);
this.cryptoCipher.initSync(cryptoFramework.CryptoMode.ENCRYPT_MODE, this.aesKey, this.genIvParamsSpec());
this.initialed = true;
console.info(cryptoCipher init success, ‘AESLog’);
} catch (e) {
console.error(createCipher error, ${e.code}, ${e.message}, ‘AESLog’);
this.initialed = false;
}
})
} catch (error) { // 参数检查发现错误立即抛出异常
let e: BusinessError = error as BusinessError;
Logger.error(convertKey failed, ${e.code}, ${e.message}, ‘AESLog’);
this.initialed = false;
}
}

encrypt(text:string|null):string{
if(!text){
return “”;
}
if(this.initialed && this.cryptoCipher!=null){
try {
let plainText: cryptoFramework.DataBlob = { data: new Uint8Array(buffer.from(text, ‘utf-8’).buffer) }
console.info(encrypt before:${plainText.data.toString()},‘AESLog’)
let encryptText = this.cryptoCipher.doFinalSync(plainText);
let str= Base64.encodeArray(encryptText.data).replaceAll(”[\s*\n\r]”, “");
console.info(encrypt success:${str},origin:${text},‘AESLog’)
}catch (e){
console.error(encrypt error:${JSON.stringify(e)},text:${text},‘AESLog’)
return text.replaceAll("[\s\n\r]”, “");
}
}else{
console.error(encrypt initialed false or cryptoCipher is null,‘AESLog’)
return text.replaceAll("[\s\n\r]”, “*”);
}
}