diff --git a/api/core/app/app_config/entities.py b/api/core/app/app_config/entities.py
index 98ef6eb0c2..533cb37f8f 100644
--- a/api/core/app/app_config/entities.py
+++ b/api/core/app/app_config/entities.py
@@ -173,7 +173,7 @@ class ModelConfig(BaseModel):
 
 class Condition(BaseModel):
     """
-    Conditon detail
+    Condition detail
     """
 
     name: str
diff --git a/api/core/rag/entities/metadata_entities.py b/api/core/rag/entities/metadata_entities.py
index 723229a332..b07d760cf4 100644
--- a/api/core/rag/entities/metadata_entities.py
+++ b/api/core/rag/entities/metadata_entities.py
@@ -30,7 +30,7 @@ SupportedComparisonOperator = Literal[
 
 class Condition(BaseModel):
     """
-    Conditon detail
+    Condition detail
     """
 
     name: str
diff --git a/api/core/workflow/nodes/knowledge_retrieval/entities.py b/api/core/workflow/nodes/knowledge_retrieval/entities.py
index 460290f0ea..8aa6a5016f 100644
--- a/api/core/workflow/nodes/knowledge_retrieval/entities.py
+++ b/api/core/workflow/nodes/knowledge_retrieval/entities.py
@@ -91,7 +91,7 @@ SupportedComparisonOperator = Literal[
 
 class Condition(BaseModel):
     """
-    Conditon detail
+    Condition detail
     """
 
     name: str
diff --git a/api/services/tools/mcp_tools_manage_service.py b/api/services/tools/mcp_tools_manage_service.py
index 7e301c9bac..dd626dd615 100644
--- a/api/services/tools/mcp_tools_manage_service.py
+++ b/api/services/tools/mcp_tools_manage_service.py
@@ -259,11 +259,30 @@ class MCPToolManageService:
             if sse_read_timeout is not None:
                 mcp_provider.sse_read_timeout = sse_read_timeout
             if headers is not None:
-                # Encrypt headers
+                # Merge masked headers from frontend with existing real values
                 if headers:
-                    encrypted_headers_dict = MCPToolManageService._encrypt_headers(headers, tenant_id)
+                    # existing decrypted and masked headers
+                    existing_decrypted = mcp_provider.decrypted_headers
+                    existing_masked = mcp_provider.masked_headers
+
+                    # Build final headers: if value equals masked existing, keep original decrypted value
+                    final_headers: dict[str, str] = {}
+                    for key, incoming_value in headers.items():
+                        if (
+                            key in existing_masked
+                            and key in existing_decrypted
+                            and isinstance(incoming_value, str)
+                            and incoming_value == existing_masked.get(key)
+                        ):
+                            # unchanged, use original decrypted value
+                            final_headers[key] = str(existing_decrypted[key])
+                        else:
+                            final_headers[key] = incoming_value
+
+                    encrypted_headers_dict = MCPToolManageService._encrypt_headers(final_headers, tenant_id)
                     mcp_provider.encrypted_headers = json.dumps(encrypted_headers_dict)
                 else:
+                    # Explicitly clear headers if empty dict passed
                     mcp_provider.encrypted_headers = None
             db.session.commit()
         except IntegrityError as e:
diff --git a/api/tests/test_containers_integration_tests/tasks/test_disable_segments_from_index_task.py b/api/tests/test_containers_integration_tests/tasks/test_disable_segments_from_index_task.py
index c541bda19a..5fdb8c617c 100644
--- a/api/tests/test_containers_integration_tests/tasks/test_disable_segments_from_index_task.py
+++ b/api/tests/test_containers_integration_tests/tasks/test_disable_segments_from_index_task.py
@@ -290,9 +290,9 @@ class TestDisableSegmentsFromIndexTask:
                 # Verify the call arguments (checking by attributes rather than object identity)
                 call_args = mock_processor.clean.call_args
                 assert call_args[0][0].id == dataset.id  # First argument should be the dataset
-                assert call_args[0][1] == [
-                    segment.index_node_id for segment in segments
-                ]  # Second argument should be node IDs
+                assert sorted(call_args[0][1]) == sorted(
+                    [segment.index_node_id for segment in segments]
+                )  # Compare sorted lists to handle any order while preserving duplicates
                 assert call_args[1]["with_keywords"] is True
                 assert call_args[1]["delete_child_chunks"] is False
 
@@ -719,7 +719,9 @@ class TestDisableSegmentsFromIndexTask:
                 # Verify the call arguments
                 call_args = mock_processor.clean.call_args
                 assert call_args[0][0].id == dataset.id  # First argument should be the dataset
-                assert call_args[0][1] == expected_node_ids  # Second argument should be node IDs
+                assert sorted(call_args[0][1]) == sorted(
+                    expected_node_ids
+                )  # Compare sorted lists to handle any order while preserving duplicates
                 assert call_args[1]["with_keywords"] is True
                 assert call_args[1]["delete_child_chunks"] is False
 
diff --git a/api/tests/test_containers_integration_tests/tasks/test_document_indexing_task.py b/api/tests/test_containers_integration_tests/tasks/test_document_indexing_task.py
new file mode 100644
index 0000000000..f75dcf06e1
--- /dev/null
+++ b/api/tests/test_containers_integration_tests/tasks/test_document_indexing_task.py
@@ -0,0 +1,554 @@
+from unittest.mock import MagicMock, patch
+
+import pytest
+from faker import Faker
+
+from extensions.ext_database import db
+from models.account import Account, Tenant, TenantAccountJoin, TenantAccountRole
+from models.dataset import Dataset, Document
+from tasks.document_indexing_task import document_indexing_task
+
+
+class TestDocumentIndexingTask:
+    """Integration tests for document_indexing_task using testcontainers."""
+
+    @pytest.fixture
+    def mock_external_service_dependencies(self):
+        """Mock setup for external service dependencies."""
+        with (
+            patch("tasks.document_indexing_task.IndexingRunner") as mock_indexing_runner,
+            patch("tasks.document_indexing_task.FeatureService") as mock_feature_service,
+        ):
+            # Setup mock indexing runner
+            mock_runner_instance = MagicMock()
+            mock_indexing_runner.return_value = mock_runner_instance
+
+            # Setup mock feature service
+            mock_features = MagicMock()
+            mock_features.billing.enabled = False
+            mock_feature_service.get_features.return_value = mock_features
+
+            yield {
+                "indexing_runner": mock_indexing_runner,
+                "indexing_runner_instance": mock_runner_instance,
+                "feature_service": mock_feature_service,
+                "features": mock_features,
+            }
+
+    def _create_test_dataset_and_documents(
+        self, db_session_with_containers, mock_external_service_dependencies, document_count=3
+    ):
+        """
+        Helper method to create a test dataset and documents for testing.
+
+        Args:
+            db_session_with_containers: Database session from testcontainers infrastructure
+            mock_external_service_dependencies: Mock dependencies
+            document_count: Number of documents to create
+
+        Returns:
+            tuple: (dataset, documents) - Created dataset and document instances
+        """
+        fake = Faker()
+
+        # Create account and tenant
+        account = Account(
+            email=fake.email(),
+            name=fake.name(),
+            interface_language="en-US",
+            status="active",
+        )
+        db.session.add(account)
+        db.session.commit()
+
+        tenant = Tenant(
+            name=fake.company(),
+            status="normal",
+        )
+        db.session.add(tenant)
+        db.session.commit()
+
+        # Create tenant-account join
+        join = TenantAccountJoin(
+            tenant_id=tenant.id,
+            account_id=account.id,
+            role=TenantAccountRole.OWNER.value,
+            current=True,
+        )
+        db.session.add(join)
+        db.session.commit()
+
+        # Create dataset
+        dataset = Dataset(
+            id=fake.uuid4(),
+            tenant_id=tenant.id,
+            name=fake.company(),
+            description=fake.text(max_nb_chars=100),
+            data_source_type="upload_file",
+            indexing_technique="high_quality",
+            created_by=account.id,
+        )
+        db.session.add(dataset)
+        db.session.commit()
+
+        # Create documents
+        documents = []
+        for i in range(document_count):
+            document = Document(
+                id=fake.uuid4(),
+                tenant_id=tenant.id,
+                dataset_id=dataset.id,
+                position=i,
+                data_source_type="upload_file",
+                batch="test_batch",
+                name=fake.file_name(),
+                created_from="upload_file",
+                created_by=account.id,
+                indexing_status="waiting",
+                enabled=True,
+            )
+            db.session.add(document)
+            documents.append(document)
+
+        db.session.commit()
+
+        # Refresh dataset to ensure it's properly loaded
+        db.session.refresh(dataset)
+
+        return dataset, documents
+
+    def _create_test_dataset_with_billing_features(
+        self, db_session_with_containers, mock_external_service_dependencies, billing_enabled=True
+    ):
+        """
+        Helper method to create a test dataset with billing features configured.
+
+        Args:
+            db_session_with_containers: Database session from testcontainers infrastructure
+            mock_external_service_dependencies: Mock dependencies
+            billing_enabled: Whether billing is enabled
+
+        Returns:
+            tuple: (dataset, documents) - Created dataset and document instances
+        """
+        fake = Faker()
+
+        # Create account and tenant
+        account = Account(
+            email=fake.email(),
+            name=fake.name(),
+            interface_language="en-US",
+            status="active",
+        )
+        db.session.add(account)
+        db.session.commit()
+
+        tenant = Tenant(
+            name=fake.company(),
+            status="normal",
+        )
+        db.session.add(tenant)
+        db.session.commit()
+
+        # Create tenant-account join
+        join = TenantAccountJoin(
+            tenant_id=tenant.id,
+            account_id=account.id,
+            role=TenantAccountRole.OWNER.value,
+            current=True,
+        )
+        db.session.add(join)
+        db.session.commit()
+
+        # Create dataset
+        dataset = Dataset(
+            id=fake.uuid4(),
+            tenant_id=tenant.id,
+            name=fake.company(),
+            description=fake.text(max_nb_chars=100),
+            data_source_type="upload_file",
+            indexing_technique="high_quality",
+            created_by=account.id,
+        )
+        db.session.add(dataset)
+        db.session.commit()
+
+        # Create documents
+        documents = []
+        for i in range(3):
+            document = Document(
+                id=fake.uuid4(),
+                tenant_id=tenant.id,
+                dataset_id=dataset.id,
+                position=i,
+                data_source_type="upload_file",
+                batch="test_batch",
+                name=fake.file_name(),
+                created_from="upload_file",
+                created_by=account.id,
+                indexing_status="waiting",
+                enabled=True,
+            )
+            db.session.add(document)
+            documents.append(document)
+
+        db.session.commit()
+
+        # Configure billing features
+        mock_external_service_dependencies["features"].billing.enabled = billing_enabled
+        if billing_enabled:
+            mock_external_service_dependencies["features"].billing.subscription.plan = "sandbox"
+            mock_external_service_dependencies["features"].vector_space.limit = 100
+            mock_external_service_dependencies["features"].vector_space.size = 50
+
+        # Refresh dataset to ensure it's properly loaded
+        db.session.refresh(dataset)
+
+        return dataset, documents
+
+    def test_document_indexing_task_success(self, db_session_with_containers, mock_external_service_dependencies):
+        """
+        Test successful document indexing with multiple documents.
+
+        This test verifies:
+        - Proper dataset retrieval from database
+        - Correct document processing and status updates
+        - IndexingRunner integration
+        - Database state updates
+        """
+        # Arrange: Create test data
+        dataset, documents = self._create_test_dataset_and_documents(
+            db_session_with_containers, mock_external_service_dependencies, document_count=3
+        )
+        document_ids = [doc.id for doc in documents]
+
+        # Act: Execute the task
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify the expected outcomes
+        # Verify indexing runner was called correctly
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify documents were updated to parsing status
+        for document in documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
+
+        # Verify the run method was called with correct documents
+        call_args = mock_external_service_dependencies["indexing_runner_instance"].run.call_args
+        assert call_args is not None
+        processed_documents = call_args[0][0]  # First argument should be documents list
+        assert len(processed_documents) == 3
+
+    def test_document_indexing_task_dataset_not_found(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test handling of non-existent dataset.
+
+        This test verifies:
+        - Proper error handling for missing datasets
+        - Early return without processing
+        - Database session cleanup
+        - No unnecessary indexing runner calls
+        """
+        # Arrange: Use non-existent dataset ID
+        fake = Faker()
+        non_existent_dataset_id = fake.uuid4()
+        document_ids = [fake.uuid4() for _ in range(3)]
+
+        # Act: Execute the task with non-existent dataset
+        document_indexing_task(non_existent_dataset_id, document_ids)
+
+        # Assert: Verify no processing occurred
+        mock_external_service_dependencies["indexing_runner"].assert_not_called()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_not_called()
+
+    def test_document_indexing_task_document_not_found_in_dataset(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test handling when some documents don't exist in the dataset.
+
+        This test verifies:
+        - Only existing documents are processed
+        - Non-existent documents are ignored
+        - Indexing runner receives only valid documents
+        - Database state updates correctly
+        """
+        # Arrange: Create test data
+        dataset, documents = self._create_test_dataset_and_documents(
+            db_session_with_containers, mock_external_service_dependencies, document_count=2
+        )
+
+        # Mix existing and non-existent document IDs
+        fake = Faker()
+        existing_document_ids = [doc.id for doc in documents]
+        non_existent_document_ids = [fake.uuid4() for _ in range(2)]
+        all_document_ids = existing_document_ids + non_existent_document_ids
+
+        # Act: Execute the task with mixed document IDs
+        document_indexing_task(dataset.id, all_document_ids)
+
+        # Assert: Verify only existing documents were processed
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify only existing documents were updated
+        for document in documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
+
+        # Verify the run method was called with only existing documents
+        call_args = mock_external_service_dependencies["indexing_runner_instance"].run.call_args
+        assert call_args is not None
+        processed_documents = call_args[0][0]  # First argument should be documents list
+        assert len(processed_documents) == 2  # Only existing documents
+
+    def test_document_indexing_task_indexing_runner_exception(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test handling of IndexingRunner exceptions.
+
+        This test verifies:
+        - Exceptions from IndexingRunner are properly caught
+        - Task completes without raising exceptions
+        - Database session is properly closed
+        - Error logging occurs
+        """
+        # Arrange: Create test data
+        dataset, documents = self._create_test_dataset_and_documents(
+            db_session_with_containers, mock_external_service_dependencies, document_count=2
+        )
+        document_ids = [doc.id for doc in documents]
+
+        # Mock IndexingRunner to raise an exception
+        mock_external_service_dependencies["indexing_runner_instance"].run.side_effect = Exception(
+            "Indexing runner failed"
+        )
+
+        # Act: Execute the task
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify exception was handled gracefully
+        # The task should complete without raising exceptions
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify documents were still updated to parsing status before the exception
+        for document in documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
+
+    def test_document_indexing_task_mixed_document_states(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test processing documents with mixed initial states.
+
+        This test verifies:
+        - Documents with different initial states are handled correctly
+        - Only valid documents are processed
+        - Database state updates are consistent
+        - IndexingRunner receives correct documents
+        """
+        # Arrange: Create test data
+        dataset, base_documents = self._create_test_dataset_and_documents(
+            db_session_with_containers, mock_external_service_dependencies, document_count=2
+        )
+
+        # Create additional documents with different states
+        fake = Faker()
+        extra_documents = []
+
+        # Document with different indexing status
+        doc1 = Document(
+            id=fake.uuid4(),
+            tenant_id=dataset.tenant_id,
+            dataset_id=dataset.id,
+            position=2,
+            data_source_type="upload_file",
+            batch="test_batch",
+            name=fake.file_name(),
+            created_from="upload_file",
+            created_by=dataset.created_by,
+            indexing_status="completed",  # Already completed
+            enabled=True,
+        )
+        db.session.add(doc1)
+        extra_documents.append(doc1)
+
+        # Document with disabled status
+        doc2 = Document(
+            id=fake.uuid4(),
+            tenant_id=dataset.tenant_id,
+            dataset_id=dataset.id,
+            position=3,
+            data_source_type="upload_file",
+            batch="test_batch",
+            name=fake.file_name(),
+            created_from="upload_file",
+            created_by=dataset.created_by,
+            indexing_status="waiting",
+            enabled=False,  # Disabled
+        )
+        db.session.add(doc2)
+        extra_documents.append(doc2)
+
+        db.session.commit()
+
+        all_documents = base_documents + extra_documents
+        document_ids = [doc.id for doc in all_documents]
+
+        # Act: Execute the task with mixed document states
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify processing
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify all documents were updated to parsing status
+        for document in all_documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
+
+        # Verify the run method was called with all documents
+        call_args = mock_external_service_dependencies["indexing_runner_instance"].run.call_args
+        assert call_args is not None
+        processed_documents = call_args[0][0]  # First argument should be documents list
+        assert len(processed_documents) == 4
+
+    def test_document_indexing_task_billing_sandbox_plan_batch_limit(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test billing validation for sandbox plan batch upload limit.
+
+        This test verifies:
+        - Sandbox plan batch upload limit enforcement
+        - Error handling for batch upload limit exceeded
+        - Document status updates to error state
+        - Proper error message recording
+        """
+        # Arrange: Create test data with billing enabled
+        dataset, documents = self._create_test_dataset_with_billing_features(
+            db_session_with_containers, mock_external_service_dependencies, billing_enabled=True
+        )
+
+        # Configure sandbox plan with batch limit
+        mock_external_service_dependencies["features"].billing.subscription.plan = "sandbox"
+
+        # Create more documents than sandbox plan allows (limit is 1)
+        fake = Faker()
+        extra_documents = []
+        for i in range(2):  # Total will be 5 documents (3 existing + 2 new)
+            document = Document(
+                id=fake.uuid4(),
+                tenant_id=dataset.tenant_id,
+                dataset_id=dataset.id,
+                position=i + 3,
+                data_source_type="upload_file",
+                batch="test_batch",
+                name=fake.file_name(),
+                created_from="upload_file",
+                created_by=dataset.created_by,
+                indexing_status="waiting",
+                enabled=True,
+            )
+            db.session.add(document)
+            extra_documents.append(document)
+
+        db.session.commit()
+        all_documents = documents + extra_documents
+        document_ids = [doc.id for doc in all_documents]
+
+        # Act: Execute the task with too many documents for sandbox plan
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify error handling
+        for document in all_documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "error"
+            assert document.error is not None
+            assert "batch upload" in document.error
+            assert document.stopped_at is not None
+
+        # Verify no indexing runner was called
+        mock_external_service_dependencies["indexing_runner"].assert_not_called()
+
+    def test_document_indexing_task_billing_disabled_success(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test successful processing when billing is disabled.
+
+        This test verifies:
+        - Processing continues normally when billing is disabled
+        - No billing validation occurs
+        - Documents are processed successfully
+        - IndexingRunner is called correctly
+        """
+        # Arrange: Create test data with billing disabled
+        dataset, documents = self._create_test_dataset_with_billing_features(
+            db_session_with_containers, mock_external_service_dependencies, billing_enabled=False
+        )
+
+        document_ids = [doc.id for doc in documents]
+
+        # Act: Execute the task with billing disabled
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify successful processing
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify documents were updated to parsing status
+        for document in documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
+
+    def test_document_indexing_task_document_is_paused_error(
+        self, db_session_with_containers, mock_external_service_dependencies
+    ):
+        """
+        Test handling of DocumentIsPausedError from IndexingRunner.
+
+        This test verifies:
+        - DocumentIsPausedError is properly caught and handled
+        - Task completes without raising exceptions
+        - Appropriate logging occurs
+        - Database session is properly closed
+        """
+        # Arrange: Create test data
+        dataset, documents = self._create_test_dataset_and_documents(
+            db_session_with_containers, mock_external_service_dependencies, document_count=2
+        )
+        document_ids = [doc.id for doc in documents]
+
+        # Mock IndexingRunner to raise DocumentIsPausedError
+        from core.indexing_runner import DocumentIsPausedError
+
+        mock_external_service_dependencies["indexing_runner_instance"].run.side_effect = DocumentIsPausedError(
+            "Document indexing is paused"
+        )
+
+        # Act: Execute the task
+        document_indexing_task(dataset.id, document_ids)
+
+        # Assert: Verify exception was handled gracefully
+        # The task should complete without raising exceptions
+        mock_external_service_dependencies["indexing_runner"].assert_called_once()
+        mock_external_service_dependencies["indexing_runner_instance"].run.assert_called_once()
+
+        # Verify documents were still updated to parsing status before the exception
+        for document in documents:
+            db.session.refresh(document)
+            assert document.indexing_status == "parsing"
+            assert document.processing_started_at is not None
diff --git a/web/app/components/plugins/plugin-detail-panel/strategy-detail.tsx b/web/app/components/plugins/plugin-detail-panel/strategy-detail.tsx
index b286d57dcf..a8f171502c 100644
--- a/web/app/components/plugins/plugin-detail-panel/strategy-detail.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/strategy-detail.tsx
@@ -50,8 +50,8 @@ const StrategyDetail: FC<Props> = ({
       res.push({
         name: outputKey,
         type: output.type === 'array'
-          ? `Array[${output.items?.type.slice(0, 1).toLocaleUpperCase()}${output.items?.type.slice(1)}]`
-          : `${output.type.slice(0, 1).toLocaleUpperCase()}${output.type.slice(1)}`,
+          ? `Array[${output.items?.type ? output.items.type.slice(0, 1).toLocaleUpperCase() + output.items.type.slice(1) : 'Unknown'}]`
+          : `${output.type ? output.type.slice(0, 1).toLocaleUpperCase() + output.type.slice(1) : 'Unknown'}`,
         description: output.description,
       })
     })
diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index 54de589ed0..7ccd705c37 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -411,8 +411,8 @@ const formatItem = (
           outputSchema.push({
             variable: outputKey,
             type: dataType === 'array'
-              ? `array[${output.items?.type.slice(0, 1).toLocaleLowerCase()}${output.items?.type.slice(1)}]`
-              : `${output.type.slice(0, 1).toLocaleLowerCase()}${output.type.slice(1)}`,
+              ? `Array[${output.items?.type ? output.items.type.slice(0, 1).toLocaleLowerCase() + output.items.type.slice(1) : 'Unknown'}]`
+              : `${output.type ? output.type.slice(0, 1).toLocaleLowerCase() + output.type.slice(1) : 'Unknown'}`,
             description: output.description,
             children: output.type === 'object' ? {
               schema: {
@@ -507,8 +507,8 @@ const formatItem = (
         outputs.push({
           variable: outputKey,
           type: output.type === 'array'
-            ? `Array[${output.items?.type.slice(0, 1).toLocaleUpperCase()}${output.items?.type.slice(1)}]` as VarType
-            : `${output.type.slice(0, 1).toLocaleUpperCase()}${output.type.slice(1)}` as VarType,
+            ? `Array[${output.items?.type ? output.items.type.slice(0, 1).toLocaleUpperCase() + output.items.type.slice(1) : 'Unknown'}]` as VarType
+            : `${output.type ? output.type.slice(0, 1).toLocaleUpperCase() + output.type.slice(1) : 'Unknown'}` as VarType,
         })
       })
       res.vars = [
diff --git a/web/app/components/workflow/nodes/agent/use-config.ts b/web/app/components/workflow/nodes/agent/use-config.ts
index 01abf7f761..e24a3ea001 100644
--- a/web/app/components/workflow/nodes/agent/use-config.ts
+++ b/web/app/components/workflow/nodes/agent/use-config.ts
@@ -188,8 +188,8 @@ const useConfig = (id: string, payload: AgentNodeType) => {
       res.push({
         name: outputKey,
         type: output.type === 'array'
-          ? `Array[${output.items?.type.slice(0, 1).toLocaleUpperCase()}${output.items?.type.slice(1)}]`
-          : `${output.type.slice(0, 1).toLocaleUpperCase()}${output.type.slice(1)}`,
+          ? `Array[${output.items?.type ? output.items.type.slice(0, 1).toLocaleUpperCase() + output.items.type.slice(1) : 'Unknown'}]`
+          : `${output.type ? output.type.slice(0, 1).toLocaleUpperCase() + output.type.slice(1) : 'Unknown'}`,
         description: output.description,
       })
     })
diff --git a/web/app/components/workflow/nodes/loop/use-config.ts b/web/app/components/workflow/nodes/loop/use-config.ts
index 87f3d65a99..949488b2a5 100644
--- a/web/app/components/workflow/nodes/loop/use-config.ts
+++ b/web/app/components/workflow/nodes/loop/use-config.ts
@@ -47,14 +47,14 @@ const useConfig = (id: string, payload: LoopNodeType) => {
   })
 
   const changeErrorResponseMode = useCallback((item: { value: unknown }) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       draft.error_handle_mode = item.value as ErrorHandleMode
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [inputs, handleInputsChange])
 
   const handleAddCondition = useCallback<HandleAddCondition>((valueSelector, varItem) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       if (!draft.break_conditions)
         draft.break_conditions = []
 
@@ -66,34 +66,34 @@ const useConfig = (id: string, payload: LoopNodeType) => {
         value: varItem.type === VarType.boolean ? 'false' : '',
       })
     })
-    setInputs(newInputs)
-  }, [getIsVarFileAttribute, inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [getIsVarFileAttribute, handleInputsChange])
 
   const handleRemoveCondition = useCallback<HandleRemoveCondition>((conditionId) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       draft.break_conditions = draft.break_conditions?.filter(item => item.id !== conditionId)
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleUpdateCondition = useCallback<HandleUpdateCondition>((conditionId, newCondition) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       const targetCondition = draft.break_conditions?.find(item => item.id === conditionId)
       if (targetCondition)
         Object.assign(targetCondition, newCondition)
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleToggleConditionLogicalOperator = useCallback<HandleToggleConditionLogicalOperator>(() => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       draft.logical_operator = draft.logical_operator === LogicalOperator.and ? LogicalOperator.or : LogicalOperator.and
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleAddSubVariableCondition = useCallback<HandleAddSubVariableCondition>((conditionId: string, key?: string) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       const condition = draft.break_conditions?.find(item => item.id === conditionId)
       if (!condition)
         return
@@ -119,11 +119,11 @@ const useConfig = (id: string, payload: LoopNodeType) => {
         })
       }
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleRemoveSubVariableCondition = useCallback((conditionId: string, subConditionId: string) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       const condition = draft.break_conditions?.find(item => item.id === conditionId)
       if (!condition)
         return
@@ -133,11 +133,11 @@ const useConfig = (id: string, payload: LoopNodeType) => {
       if (subVarCondition)
         subVarCondition.conditions = subVarCondition.conditions.filter(item => item.id !== subConditionId)
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleUpdateSubVariableCondition = useCallback<HandleUpdateSubVariableCondition>((conditionId, subConditionId, newSubCondition) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       const targetCondition = draft.break_conditions?.find(item => item.id === conditionId)
       if (targetCondition && targetCondition.sub_variable_condition) {
         const targetSubCondition = targetCondition.sub_variable_condition.conditions.find(item => item.id === subConditionId)
@@ -145,24 +145,24 @@ const useConfig = (id: string, payload: LoopNodeType) => {
           Object.assign(targetSubCondition, newSubCondition)
       }
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleToggleSubVariableConditionLogicalOperator = useCallback<HandleToggleSubVariableConditionLogicalOperator>((conditionId) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       const targetCondition = draft.break_conditions?.find(item => item.id === conditionId)
       if (targetCondition && targetCondition.sub_variable_condition)
         targetCondition.sub_variable_condition.logical_operator = targetCondition.sub_variable_condition.logical_operator === LogicalOperator.and ? LogicalOperator.or : LogicalOperator.and
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleUpdateLoopCount = useCallback((value: number) => {
-    const newInputs = produce(inputs, (draft) => {
+    const newInputs = produce(inputsRef.current, (draft) => {
       draft.loop_count = value
     })
-    setInputs(newInputs)
-  }, [inputs, setInputs])
+    handleInputsChange(newInputs)
+  }, [handleInputsChange])
 
   const handleAddLoopVariable = useCallback(() => {
     const newInputs = produce(inputsRef.current, (draft) => {
diff --git a/web/app/components/workflow/nodes/tool/use-config.ts b/web/app/components/workflow/nodes/tool/use-config.ts
index c169ae71a4..146f714f1d 100644
--- a/web/app/components/workflow/nodes/tool/use-config.ts
+++ b/web/app/components/workflow/nodes/tool/use-config.ts
@@ -189,8 +189,8 @@ const useConfig = (id: string, payload: ToolNodeType) => {
         res.push({
           name: outputKey,
           type: output.type === 'array'
-            ? `Array[${output.items?.type.slice(0, 1).toLocaleUpperCase()}${output.items?.type.slice(1)}]`
-            : `${output.type.slice(0, 1).toLocaleUpperCase()}${output.type.slice(1)}`,
+            ? `Array[${output.items?.type ? output.items.type.slice(0, 1).toLocaleUpperCase() + output.items.type.slice(1) : 'Unknown'}]`
+            : `${output.type ? output.type.slice(0, 1).toLocaleUpperCase() + output.type.slice(1) : 'Unknown'}`,
           description: output.description,
         })
       }
diff --git a/web/i18n/de-DE/plugin.ts b/web/i18n/de-DE/plugin.ts
index b2617eae38..3c85cc5730 100644
--- a/web/i18n/de-DE/plugin.ts
+++ b/web/i18n/de-DE/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Nicht verfügbar',
     credentialUnavailable: 'Anmeldeinformationen derzeit nicht verfügbar. Bitte kontaktieren Sie den Administrator.',
     customCredentialUnavailable: 'Benutzerdefinierte Anmeldeinformationen derzeit nicht verfügbar',
+    credentialUnavailableInButton: 'Zugangsdaten nicht verfügbar',
   },
   deprecated: 'Abgelehnt',
   autoUpdate: {
diff --git a/web/i18n/es-ES/plugin.ts b/web/i18n/es-ES/plugin.ts
index 9e952a1838..ec7b25a1a8 100644
--- a/web/i18n/es-ES/plugin.ts
+++ b/web/i18n/es-ES/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     customCredentialUnavailable: 'Las credenciales personalizadas no están disponibles actualmente.',
     unavailable: 'No disponible',
     credentialUnavailable: 'Credenciales actualmente no disponibles. Por favor, contacte al administrador.',
+    credentialUnavailableInButton: 'Credencial no disponible',
   },
   deprecated: 'Obsoleto',
   autoUpdate: {
diff --git a/web/i18n/fa-IR/plugin.ts b/web/i18n/fa-IR/plugin.ts
index 2636aa7192..393be6fa4f 100644
--- a/web/i18n/fa-IR/plugin.ts
+++ b/web/i18n/fa-IR/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'در دسترس نیست',
     credentialUnavailable: 'دسترسی به مدارک در حال حاضر امکان‌پذیر نیست. لطفاً با مدیر تماس بگیرید.',
     customCredentialUnavailable: 'اعتبارنامه‌های سفارشی در حال حاضر در دسترس نیستند',
+    credentialUnavailableInButton: 'گواهی در دسترس نیست',
   },
   deprecated: 'منسوخ شده',
   autoUpdate: {
diff --git a/web/i18n/fr-FR/plugin.ts b/web/i18n/fr-FR/plugin.ts
index b0ecab7689..248050437a 100644
--- a/web/i18n/fr-FR/plugin.ts
+++ b/web/i18n/fr-FR/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     customCredentialUnavailable: 'Les identifiants personnalisés ne sont actuellement pas disponibles.',
     credentialUnavailable: 'Les informations d\'identification ne sont actuellement pas disponibles. Veuillez contacter l\'administrateur.',
     unavailable: 'Non disponible',
+    credentialUnavailableInButton: 'Identifiant indisponible',
   },
   deprecated: 'Obsolète',
   autoUpdate: {
diff --git a/web/i18n/hi-IN/plugin.ts b/web/i18n/hi-IN/plugin.ts
index b9ad0cea59..b02e95ac2e 100644
--- a/web/i18n/hi-IN/plugin.ts
+++ b/web/i18n/hi-IN/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'अप्राप्त',
     customCredentialUnavailable: 'कस्टम क्रेडेंशियल वर्तमान में उपलब्ध नहीं हैं',
     credentialUnavailable: 'वर्तमान में क्रेडेंशियल्स उपलब्ध नहीं हैं। कृपया प्रशासन से संपर्क करें।',
+    credentialUnavailableInButton: 'प्रमाण पत्र उपलब्ध नहीं है',
   },
   deprecated: 'अनुशंसित नहीं',
   autoUpdate: {
diff --git a/web/i18n/id-ID/plugin.ts b/web/i18n/id-ID/plugin.ts
index c9b9b939d8..6ec595aac5 100644
--- a/web/i18n/id-ID/plugin.ts
+++ b/web/i18n/id-ID/plugin.ts
@@ -260,6 +260,7 @@ const translation = {
     authorizationName: 'Nama Otorisasi',
     workspaceDefault: 'Ruang Kerja Default',
     authorization: 'Otorisasi',
+    credentialUnavailableInButton: 'Kredensial tidak tersedia',
   },
   searchInMarketplace: 'Cari di Marketplace',
   findMoreInMarketplace: 'Temukan selengkapnya di Marketplace',
diff --git a/web/i18n/it-IT/plugin.ts b/web/i18n/it-IT/plugin.ts
index 43d135bfe3..59d6d6f115 100644
--- a/web/i18n/it-IT/plugin.ts
+++ b/web/i18n/it-IT/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Non disponibile',
     customCredentialUnavailable: 'Le credenziali personalizzate attualmente non sono disponibili',
     credentialUnavailable: 'Credenziali attualmente non disponibili. Si prega di contattare l\'amministratore.',
+    credentialUnavailableInButton: 'Credenziali non disponibili',
   },
   deprecated: 'Deprecato',
   autoUpdate: {
diff --git a/web/i18n/ja-JP/plugin.ts b/web/i18n/ja-JP/plugin.ts
index d704a346b2..b610d68d2a 100644
--- a/web/i18n/ja-JP/plugin.ts
+++ b/web/i18n/ja-JP/plugin.ts
@@ -250,6 +250,7 @@ const translation = {
     unavailable: '利用できません',
     customCredentialUnavailable: 'カスタム資格情報は現在利用できません',
     credentialUnavailable: '現在、資格情報は利用できません。管理者にご連絡ください。',
+    credentialUnavailableInButton: '資格情報が利用できません',
   },
   autoUpdate: {
     strategy: {
diff --git a/web/i18n/ko-KR/plugin.ts b/web/i18n/ko-KR/plugin.ts
index 04b6e54b49..e9142fbf85 100644
--- a/web/i18n/ko-KR/plugin.ts
+++ b/web/i18n/ko-KR/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: '사용할 수 없음',
     credentialUnavailable: '현재 자격 증명이 사용 불가능합니다. 관리자에게 문의하십시오.',
     customCredentialUnavailable: '현재 사용자 정의 자격 증명이 사용 불가능합니다.',
+    credentialUnavailableInButton: '자격 증명 사용 불가능',
   },
   deprecated: '사용 중단됨',
   autoUpdate: {
diff --git a/web/i18n/pl-PL/plugin.ts b/web/i18n/pl-PL/plugin.ts
index c957ca5641..cd0715ed3a 100644
--- a/web/i18n/pl-PL/plugin.ts
+++ b/web/i18n/pl-PL/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Niedostępny',
     customCredentialUnavailable: 'Niestandardowe dane logowania są obecnie niedostępne',
     credentialUnavailable: 'Kredencje są obecnie niedostępne. Proszę skontaktować się z administratorem.',
+    credentialUnavailableInButton: 'Credential niedostępny',
   },
   deprecated: 'Nieaktualny',
   autoUpdate: {
diff --git a/web/i18n/pt-BR/plugin.ts b/web/i18n/pt-BR/plugin.ts
index 3300ddde56..a9d9731a0b 100644
--- a/web/i18n/pt-BR/plugin.ts
+++ b/web/i18n/pt-BR/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     customCredentialUnavailable: 'Credenciais personalizadas atualmente indisponíveis',
     unavailable: 'Indisponível',
     credentialUnavailable: 'Credenciais atualmente indisponíveis. Por favor, contate o administrador.',
+    credentialUnavailableInButton: 'Credencial indisponível',
   },
   deprecated: 'Obsoleto',
   autoUpdate: {
diff --git a/web/i18n/ro-RO/plugin.ts b/web/i18n/ro-RO/plugin.ts
index 00d4d88eac..604fbd8e2c 100644
--- a/web/i18n/ro-RO/plugin.ts
+++ b/web/i18n/ro-RO/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Necesar',
     customCredentialUnavailable: 'Credentialele personalizate sunt în prezent indisponibile',
     credentialUnavailable: 'Credențialele nu sunt disponibile în acest moment. Vă rugăm să contactați administratorul.',
+    credentialUnavailableInButton: 'Credential indisponibil',
   },
   deprecated: 'Încetat de a mai fi utilizat',
   autoUpdate: {
diff --git a/web/i18n/ru-RU/plugin.ts b/web/i18n/ru-RU/plugin.ts
index 7a6870a236..0d1d01ecb3 100644
--- a/web/i18n/ru-RU/plugin.ts
+++ b/web/i18n/ru-RU/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Недоступно',
     customCredentialUnavailable: 'Кастомные учетные данные в настоящее время недоступны',
     credentialUnavailable: 'Учетные данные в настоящее время недоступны. Пожалуйста, свяжитесь с администратором.',
+    credentialUnavailableInButton: 'Учетные данные недоступны',
   },
   deprecated: 'Устаревший',
   autoUpdate: {
diff --git a/web/i18n/sl-SI/plugin.ts b/web/i18n/sl-SI/plugin.ts
index db5c8f1572..8c3f42ef47 100644
--- a/web/i18n/sl-SI/plugin.ts
+++ b/web/i18n/sl-SI/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Nedostopno',
     customCredentialUnavailable: 'Trenutno niso na voljo prilagojene prijave.',
     credentialUnavailable: 'Trenutno niso na voljo poverilnice. Prosimo, kontaktirajte administratorja.',
+    credentialUnavailableInButton: 'Pogodba ni na voljo',
   },
   deprecated: 'Zastaran',
   autoUpdate: {
diff --git a/web/i18n/th-TH/plugin.ts b/web/i18n/th-TH/plugin.ts
index caf1ccb5e7..e53c6caa19 100644
--- a/web/i18n/th-TH/plugin.ts
+++ b/web/i18n/th-TH/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'ไม่มีให้บริการ',
     customCredentialUnavailable: 'ข้อมูลรับรองที่กำหนดเองขณะนี้ไม่สามารถใช้ได้',
     credentialUnavailable: 'ข้อมูลรับรองไม่สามารถใช้งานได้ในขณะนี้ กรุณาติดต่อผู้ดูแลระบบ.',
+    credentialUnavailableInButton: 'ข้อมูลรับรองไม่พร้อมใช้งาน',
   },
   deprecated: 'เลิกใช้',
   autoUpdate: {
diff --git a/web/i18n/tr-TR/plugin.ts b/web/i18n/tr-TR/plugin.ts
index 82ddf4bbc4..3b514a55cd 100644
--- a/web/i18n/tr-TR/plugin.ts
+++ b/web/i18n/tr-TR/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Kullanılamıyor',
     customCredentialUnavailable: 'Özel kimlik bilgileri şu anda mevcut değil.',
     credentialUnavailable: 'Kimlik bilgileri şu anda mevcut değil. Lütfen yönetici ile iletişime geçin.',
+    credentialUnavailableInButton: 'Kimlik bilgileri mevcut değil',
   },
   deprecated: 'Kaldırılmış',
   autoUpdate: {
diff --git a/web/i18n/uk-UA/plugin.ts b/web/i18n/uk-UA/plugin.ts
index 30a0a0df36..93979155aa 100644
--- a/web/i18n/uk-UA/plugin.ts
+++ b/web/i18n/uk-UA/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Недоступний',
     customCredentialUnavailable: 'Індивідуальні облікові дані наразі недоступні',
     credentialUnavailable: 'Облікові дані наразі недоступні. Будь ласка, зверніться до адміністратора.',
+    credentialUnavailableInButton: 'Облікові дані недоступні',
   },
   deprecated: 'Застарілий',
   autoUpdate: {
diff --git a/web/i18n/vi-VN/plugin.ts b/web/i18n/vi-VN/plugin.ts
index 44989cd6aa..e306a36c2b 100644
--- a/web/i18n/vi-VN/plugin.ts
+++ b/web/i18n/vi-VN/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: 'Không có sẵn',
     customCredentialUnavailable: 'Thông tin đăng nhập tùy chỉnh hiện không khả dụng',
     credentialUnavailable: 'Thông tin đăng nhập hiện không khả dụng. Vui lòng liên hệ với quản trị viên.',
+    credentialUnavailableInButton: 'Thông tin xác thực không khả dụng',
   },
   deprecated: 'Đã bị ngưng sử dụng',
   autoUpdate: {
diff --git a/web/i18n/zh-Hant/plugin.ts b/web/i18n/zh-Hant/plugin.ts
index 514d7fb4b4..a105a90376 100644
--- a/web/i18n/zh-Hant/plugin.ts
+++ b/web/i18n/zh-Hant/plugin.ts
@@ -249,6 +249,7 @@ const translation = {
     unavailable: '無法使用',
     customCredentialUnavailable: '自訂憑證目前無法使用',
     credentialUnavailable: '凭證目前無法使用。請聯繫管理員。',
+    credentialUnavailableInButton: '憑證不可用',
   },
   deprecated: '不推薦使用的',
   autoUpdate: {