diff --git a/app/api/endpoints/workflow.py b/app/api/endpoints/workflow.py
index bde10c6f..267acec3 100644
--- a/app/api/endpoints/workflow.py
+++ b/app/api/endpoints/workflow.py
@@ -99,7 +99,7 @@ def start_workflow(workflow_id: int,
     workflow = Workflow.get(db, workflow_id)
     if not workflow:
         return schemas.Response(success=False, message="工作流不存在")
-    Scheduler().remove_workflow_job(workflow)
+    Scheduler().update_workflow_job(workflow)
     workflow.update_state(db, workflow_id, "W")
     return schemas.Response(success=True)
 
diff --git a/app/db/models/workflow.py b/app/db/models/workflow.py
index ab157454..401e6101 100644
--- a/app/db/models/workflow.py
+++ b/app/db/models/workflow.py
@@ -19,7 +19,7 @@ class Workflow(Base):
     timer = Column(String)
     # 状态：W-等待 R-运行中 P-暂停 S-成功 F-失败
     state = Column(String, nullable=False, index=True, default='W')
-    # 当前执行动作
+    # 已执行动作（,分隔）
     current_action = Column(String)
     # 任务执行结果
     result = Column(String)
diff --git a/app/scheduler.py b/app/scheduler.py
index d9512db6..5a11d7ad 100644
--- a/app/scheduler.py
+++ b/app/scheduler.py
@@ -494,6 +494,9 @@ class Scheduler(metaclass=Singleton):
         """
         更新工作流定时服务
         """
+        if not self._scheduler:
+            return
+
         # 移除该工作流的全部服务
         self.remove_workflow_job(workflow)
         # 添加工作流服务
diff --git a/app/schemas/workflow.py b/app/schemas/workflow.py
index a90a7c49..014b956c 100644
--- a/app/schemas/workflow.py
+++ b/app/schemas/workflow.py
@@ -20,7 +20,7 @@ class Workflow(BaseModel):
     description: Optional[str] = Field(None, description="工作流描述")
     timer: Optional[str] = Field(None, description="定时器")
     state: Optional[str] = Field(None, description="状态")
-    current_action: Optional[str] = Field(None, description="当前执行动作")
+    current_action: Optional[str] = Field(None, description="已执行动作")
     result: Optional[str] = Field(None, description="任务执行结果")
     run_count: Optional[int] = Field(0, description="已执行次数")
     actions: Optional[list] = Field([], description="任务列表")