diff --git a/frameworks/js/ani/dts/cryptoFramework.d.ts b/frameworks/js/ani/dts/cryptoFramework.d.ts
index 8dfe765c45d34e0ff569012a6a988c56ce5b33af..a628b5c3a6953099d7a1dc26cbf38d5592af218c 100644
--- a/frameworks/js/ani/dts/cryptoFramework.d.ts
+++ b/frameworks/js/ani/dts/cryptoFramework.d.ts
@@ -185,12 +185,12 @@ declare namespace cryptoFramework {
     init(opMode: CryptoMode, key: Key, params: ParamsSpec | null, callback: AsyncCallback<void>): void;
     init(opMode: CryptoMode, key: Key, params: ParamsSpec | null): Promise<void>;
     initSync(opMode: CryptoMode, key: Key, params: ParamsSpec | null): void;
-    update(data: DataBlob, callback: AsyncCallback<DataBlob>): void;
-    update(data: DataBlob): Promise<DataBlob>;
-    updateSync(data: DataBlob): DataBlob;
-    doFinal(data: DataBlob | null, callback: AsyncCallback<DataBlob>): void;
-    doFinal(data: DataBlob | null): Promise<DataBlob>;
-    doFinalSync(data: DataBlob | null): DataBlob;
+    update(data: DataBlob, callback: AsyncCallback<DataBlob | null>): void;
+    update(data: DataBlob): Promise<DataBlob | null>;
+    updateSync(data: DataBlob): DataBlob | null;
+    doFinal(data: DataBlob | null, callback: AsyncCallback<DataBlob | null>): void;
+    doFinal(data: DataBlob | null): Promise<DataBlob | null>;
+    doFinalSync(data: DataBlob | null): DataBlob | null;
     setCipherSpec(itemType: CipherSpecItem, itemValue: Uint8Array): void;
     getCipherSpec(itemType: CipherSpecItem): string | Uint8Array;
     readonly algName: string;
diff --git a/frameworks/js/ani/idl/ohos.security.cryptoFramework.cryptoFramework.taihe b/frameworks/js/ani/idl/ohos.security.cryptoFramework.cryptoFramework.taihe
index 8ae1bbed4239b693f715ffba7d8987baa6264c09..600c975482f206375f93ef2ede17c73cdf1902c4 100644
--- a/frameworks/js/ani/idl/ohos.security.cryptoFramework.cryptoFramework.taihe
+++ b/frameworks/js/ani/idl/ohos.security.cryptoFramework.cryptoFramework.taihe
@@ -344,10 +344,10 @@ interface Cipher {
   InitSync(opMode: CryptoMode, key: Key, params: OptParamsSpec): void;
   @gen_async("update")
   @gen_promise("update")
-  UpdateSync(input: DataBlob): DataBlob;
+  UpdateSync(input: DataBlob): OptDataBlob;
   @gen_async("doFinal")
   @gen_promise("doFinal")
-  DoFinalSync(input: OptDataBlob): DataBlob;
+  DoFinalSync(input: OptDataBlob): OptDataBlob;
   SetCipherSpec(itemType: CipherSpecItem, itemValue: @typedarray Array<u8>): void;
   GetCipherSpec(itemType: CipherSpecItem): OptStrUint8Arr;
   @get("algName") GetAlgName(): String;
diff --git a/frameworks/js/ani/inc/ani_cipher.h b/frameworks/js/ani/inc/ani_cipher.h
index 2a5753769311940f7204df3b3a5873e98cb70ff5..66c2741cf83160ed72d9134f5214e8279c27f8fd 100644
--- a/frameworks/js/ani/inc/ani_cipher.h
+++ b/frameworks/js/ani/inc/ani_cipher.h
@@ -27,8 +27,8 @@ public:
     ~CipherImpl();
 
     void InitSync(CryptoMode opMode, weak::Key key, OptParamsSpec const& params);
-    DataBlob UpdateSync(DataBlob const& input);
-    DataBlob DoFinalSync(OptDataBlob const& input);
+    OptDataBlob UpdateSync(DataBlob const& input);
+    OptDataBlob DoFinalSync(OptDataBlob const& input);
     void SetCipherSpec(ThCipherSpecItem itemType, array_view<uint8_t> itemValue);
     OptStrUint8Arr GetCipherSpec(ThCipherSpecItem itemType);
     string GetAlgName();
diff --git a/frameworks/js/ani/src/ani_cipher.cpp b/frameworks/js/ani/src/ani_cipher.cpp
index 287a286b4229a6eb048ea88837c9e20608b93906..0492d0e02933e2815abed2e8628d03bda312d9d5 100644
--- a/frameworks/js/ani/src/ani_cipher.cpp
+++ b/frameworks/js/ani/src/ani_cipher.cpp
@@ -127,7 +127,7 @@ void CipherImpl::InitSync(CryptoMode opMode, weak::Key key, OptParamsSpec const&
     HcfIvParamsSpec ivParamsSpec = {};
     HcfGcmParamsSpec gcmParamsSpec = {};
     HcfCcmParamsSpec ccmParamsSpec = {};
-    if (params.get_tag() != OptParamsSpec::tag_t::EMPTY) {
+    if (params.get_tag() == OptParamsSpec::tag_t::PARAMSSPEC) {
         const OptExtParamsSpec &tmp = params.get_PARAMSSPEC_ref();
         const std::string &algName = tmp.get_PARAMSSPEC_ref().algName.c_str();
         if (tmp.get_tag() == OptExtParamsSpec::tag_t::IVPARAMSSPEC && algName == IV_PARAMS_SPEC) {
@@ -153,11 +153,11 @@ void CipherImpl::InitSync(CryptoMode opMode, weak::Key key, OptParamsSpec const&
     }
 }
 
-DataBlob CipherImpl::UpdateSync(DataBlob const& input)
+OptDataBlob CipherImpl::UpdateSync(DataBlob const& input)
 {
     if (this->cipher_ == nullptr) {
         ANI_LOGE_THROW(HCF_INVALID_PARAMS, "cipher obj is nullptr!");
-        return {};
+        return OptDataBlob::make_EMPTY();
     }
     HcfBlob inBlob = {};
     HcfBlob outBlob = {};
@@ -165,19 +165,22 @@ DataBlob CipherImpl::UpdateSync(DataBlob const& input)
     HcfResult res = this->cipher_->update(this->cipher_, &inBlob, &outBlob);
     if (res != HCF_SUCCESS) {
         ANI_LOGE_THROW(res, "cipher update failed!");
-        return {};
+        return OptDataBlob::make_EMPTY();
     }
     array<uint8_t> data = {};
     DataBlobToArrayU8(outBlob, data);
     HcfBlobDataClearAndFree(&outBlob);
-    return { data };
+    if (data.empty()) {
+        return OptDataBlob::make_EMPTY();
+    }
+    return OptDataBlob::make_DATABLOB(DataBlob({ data }));
 }
 
-DataBlob CipherImpl::DoFinalSync(OptDataBlob const& input)
+OptDataBlob CipherImpl::DoFinalSync(OptDataBlob const& input)
 {
     if (this->cipher_ == nullptr) {
         ANI_LOGE_THROW(HCF_INVALID_PARAMS, "cipher obj is nullptr!");
-        return {};
+        return OptDataBlob::make_EMPTY();
     }
     HcfBlob *inBlob = nullptr;
     HcfBlob dataBlob = {};
@@ -189,12 +192,15 @@ DataBlob CipherImpl::DoFinalSync(OptDataBlob const& input)
     HcfResult res = this->cipher_->doFinal(this->cipher_, inBlob, &outBlob);
     if (res != HCF_SUCCESS) {
         ANI_LOGE_THROW(res, "cipher doFinal failed!");
-        return {};
+        return OptDataBlob::make_EMPTY();
     }
     array<uint8_t> data = {};
     DataBlobToArrayU8(outBlob, data);
     HcfBlobDataClearAndFree(&outBlob);
-    return { data };
+    if (data.empty()) {
+        return OptDataBlob::make_EMPTY();
+    }
+    return OptDataBlob::make_DATABLOB(DataBlob({ data }));
 }
 
 void CipherImpl::SetCipherSpec(ThCipherSpecItem itemType, array_view<uint8_t> itemValue)
diff --git a/frameworks/js/ani/src/impl/ohos.security.cryptoFramework.cryptoFramework.impl.cpp b/frameworks/js/ani/src/impl/ohos.security.cryptoFramework.cryptoFramework.impl.cpp
index 375b8f6be3dbc32bedb08b480c4fbe14fd407593..82e59986cf4a229dd03c3a01d7cfc63a87cc98ad 100644
--- a/frameworks/js/ani/src/impl/ohos.security.cryptoFramework.cryptoFramework.impl.cpp
+++ b/frameworks/js/ani/src/impl/ohos.security.cryptoFramework.cryptoFramework.impl.cpp
@@ -335,11 +335,11 @@ public:
         TH_THROW(std::runtime_error, "InitSync not implemented");
     }
 
-    DataBlob UpdateSync(DataBlob const& input) {
+    OptDataBlob UpdateSync(DataBlob const& input) {
         TH_THROW(std::runtime_error, "UpdateSync not implemented");
     }
 
-    DataBlob DoFinalSync(OptDataBlob const& input) {
+    OptDataBlob DoFinalSync(OptDataBlob const& input) {
         TH_THROW(std::runtime_error, "DoFinalSync not implemented");
     }