add workflow oper

app/chain/workflow.py

@@ -1,6 +1,7 @@
 from typing import List
 
 from app.chain import ChainBase
+from app.db.workflow_oper import WorkflowOper
 from app.schemas import Workflow
 
 
@@ -9,6 +10,10 @@ class WorkflowChain(ChainBase):
     工作流链
     """
 
+    def __init__(self):
+        super().__init__()
+        self.workflowoper = WorkflowOper()
+
     def process(self, workflow_id: int) -> bool:
         """
         处理工作流