diff --git a/api/core/rag/retrieval/dataset_retrieval.py b/api/core/rag/retrieval/dataset_retrieval.py
index dc4fbd1c32..62d5e4b8fe 100644
--- a/api/core/rag/retrieval/dataset_retrieval.py
+++ b/api/core/rag/retrieval/dataset_retrieval.py
@@ -848,8 +848,8 @@ class DatasetRetrieval:
                 conditions = []
                 for filter in automatic_metadata_filters:
                     self._process_metadata_filter_func(
-                        filter.get("condition"),
-                        filter.get("metadata_name"),
+                        filter.get("condition"),  # type: ignore
+                        filter.get("metadata_name"),  # type: ignore
                         filter.get("value"),
                         filters,  # type: ignore
                     )
diff --git a/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py b/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
index 63d4020ec1..f0455bfc0d 100644
--- a/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
+++ b/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
@@ -42,7 +42,6 @@ from libs.json_in_md_parser import parse_and_check_json_markdown
 from models.dataset import Dataset, DatasetMetadata, Document, RateLimitLog
 from models.workflow import WorkflowNodeExecutionStatus
 from services.feature_service import FeatureService
-
 from .entities import KnowledgeRetrievalNodeData, ModelConfig
 from .exc import (
     InvalidModelTypeError,
@@ -333,8 +332,8 @@ class KnowledgeRetrievalNode(LLMNode):
                 conditions = []
                 for filter in automatic_metadata_filters:
                     self._process_metadata_filter_func(
-                        filter.get("condition"),
-                        filter.get("metadata_name"),
+                        filter.get("condition", ""),
+                        filter.get("metadata_name", ""),
                         filter.get("value"),
                         filters,  # type: ignore
                     )