diff --git a/backend/application/workflow/workflow.go b/backend/application/workflow/workflow.go
index 4bf76b4e..65ab9176 100644
--- a/backend/application/workflow/workflow.go
+++ b/backend/application/workflow/workflow.go
@@ -3497,7 +3497,7 @@ func entityNodeTypeToAPINodeTemplateType(nodeType entity.NodeType) (workflow.Nod
 		// return workflow.NodeTemplateType_DatabaseInsert, nil
 		return workflow.NodeTemplateType(46), nil
 	case entity.NodeTypeJsonSerialization:
-		return workflow.NodeTemplateType_JsonSerialization, nil
+		return workflow.NodeTemplateType(58), nil
 	case entity.NodeTypeJsonDeserialization:
 		return workflow.NodeTemplateType_JsonDeserialization, nil
 	case entity.NodeTypeKnowledgeDeleter:
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/components/inputs/index.tsx b/frontend/packages/workflow/playground/src/node-registries/json-stringify/components/inputs/index.tsx
index 0d3b30b2..76a3f8e1 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/components/inputs/index.tsx
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/components/inputs/index.tsx
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import {
   FieldArray,
   type FieldArrayRenderProps,
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/constants.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/constants.ts
index f27a4023..9231aa31 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/constants.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/constants.ts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { nanoid } from 'nanoid';
 import { ViewVariableType } from '@coze-workflow/variable';
 
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/data-transformer.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/data-transformer.ts
index 235d5c8e..79ce4a06 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/data-transformer.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/data-transformer.ts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { type NodeDataDTO } from '@coze-workflow/base';
 
 import { type FormData } from './types';
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/form-meta.tsx b/frontend/packages/workflow/playground/src/node-registries/json-stringify/form-meta.tsx
index 0e58f010..c5597fe5 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/form-meta.tsx
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/form-meta.tsx
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import {
   ValidateTrigger,
   type FormMetaV2,
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/form.tsx b/frontend/packages/workflow/playground/src/node-registries/json-stringify/form.tsx
index 8a13750e..08edd99e 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/form.tsx
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/form.tsx
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { I18n } from '@coze-arch/i18n';
 
 import { NodeConfigForm } from '@/node-registries/common/components';
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/index.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/index.ts
index c86ccaf3..2094d550 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/index.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/index.ts
@@ -1,2 +1,18 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 export { JSON_STRINGIFY_NODE_REGISTRY } from './node-registry';
 export { JsonStringifyContent } from './node-content';
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-content.tsx b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-content.tsx
index 5bf0af94..ca201b96 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-content.tsx
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-content.tsx
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { InputParameters, Outputs } from '../common/components';
 
 export function JsonStringifyContent() {
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-registry.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-registry.ts
index c2a5ec39..3db91a3b 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-registry.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-registry.ts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import {
   DEFAULT_NODE_META_PATH,
   DEFAULT_OUTPUTS_PATH,
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-test.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-test.ts
index 467c6ae3..59bd8a25 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-test.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/node-test.ts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { FlowNodeFormData } from '@flowgram-adapter/free-layout-editor';
 
 import {
diff --git a/frontend/packages/workflow/playground/src/node-registries/json-stringify/types.ts b/frontend/packages/workflow/playground/src/node-registries/json-stringify/types.ts
index 8b600187..feefc5f2 100644
--- a/frontend/packages/workflow/playground/src/node-registries/json-stringify/types.ts
+++ b/frontend/packages/workflow/playground/src/node-registries/json-stringify/types.ts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import { type InputValueVO } from '@coze-workflow/base';
 
 export interface FormData {