导入方式修改

backend/app/main_graph/utils/rag_initializer.py

@@ -1,8 +1,8 @@
 # app/rag_initializer.py
-from app.rag.tools import create_rag_tool
-from app.rag.retriever import create_parent_hybrid_retriever
-from app.model_services import get_embedding_service
-from app.logger import info, warning
+from ...rag.tools import create_rag_tool
+from ...rag.retriever import create_parent_hybrid_retriever
+from ...model_services import get_embedding_service
+from ...logger import info, warning
 import sys
 
 # 全局 RAG 工具
@@ -38,7 +38,7 @@ async def init_rag_tool(force: bool = False):
         return _rag_tool
 
     try:
-        from app.model_services.chat_services import get_chat_service
+        from backend.app.model_services.chat_services import get_chat_service
 
         info("🔄 正在初始化 RAG 检索系统...")
         embeddings = get_embedding_service()

backend/app/main_graph/utils/retry_utils.py

@@ -287,7 +287,7 @@ def create_retry_wrapper_for_node(
                 time.sleep(delay)
         
         # 所有重试都失败，更新状态错误信息
-        from app.main_graph.state import ErrorRecord, ErrorSeverity
+        from backend.app.main_graph.state import ErrorRecord, ErrorSeverity
         
         error_record = ErrorRecord(
             error_type=f"{node_name}TimeoutError",