报错，Zep图谱构建失败 #135

Graph build task failed: Traceback (most recent call last): File "/app/backend/app/api/graph.py", line 418, in build_task builder.set_ontology(graph_id, ontology) File "/app/backend/app/services/graph_builder.py", line 230, in set_ontology attr_name = safe_attr_name(attr_def["name"]) # 使用安全名称 ~~~~~~~~^^^^^^^^ TypeError: string indices must be integers, not 'str'