diff --git a/ui/src/workflow/common/NodeCascader.vue b/ui/src/workflow/common/NodeCascader.vue
index d933f3fff..3613acc9b 100644
--- a/ui/src/workflow/common/NodeCascader.vue
+++ b/ui/src/workflow/common/NodeCascader.vue
@@ -43,8 +43,9 @@ function visibleChange(bool: boolean) {
   }
 }
 
-function getIncomingNode(id: string) {
-  const list = props.nodeModel.graphModel.getNodeIncomingNode(id)
+function _getIncomingNode(id: String, startId: String) {
+  let list = props.nodeModel.graphModel.getNodeIncomingNode(id)
+  list = list.filter((item: any) => item.id !== startId)
   let firstElement = null
   if (list.length > 0) {
     list.forEach((item: any) => {
@@ -67,13 +68,16 @@ function getIncomingNode(id: string) {
     })
 
     list.forEach((item: any) => {
-      getIncomingNode(item.id)
+      _getIncomingNode(item.id, startId)
     })
   }
   if (firstElement) {
     options.value.unshift(firstElement)
   }
 }
+function getIncomingNode(id: string) {
+  _getIncomingNode(id, id)
+}
 const validate = () => {
   getIncomingNode(props.nodeModel.id)
   if (!data.value) {
diff --git a/ui/src/workflow/common/NodeContainer.vue b/ui/src/workflow/common/NodeContainer.vue
index 74f5e64ac..1cba03c3c 100644
--- a/ui/src/workflow/common/NodeContainer.vue
+++ b/ui/src/workflow/common/NodeContainer.vue
@@ -99,10 +99,10 @@ function editName(val: string) {
   }
 }
 const mousedown = () => {
-  props.nodeModel.graphModel.toFront(props.nodeModel.id)
   props.nodeModel.graphModel.clearSelectElements()
   props.nodeModel.isSelected = true
   props.nodeModel.isHovered = true
+  props.nodeModel.graphModel.toFront(props.nodeModel.id)
 }
 const showicon = ref<number | null>(null)
 const copyNode = () => {
diff --git a/ui/src/workflow/common/validate.ts b/ui/src/workflow/common/validate.ts
index 0bddef1c3..192aa3db7 100644
--- a/ui/src/workflow/common/validate.ts
+++ b/ui/src/workflow/common/validate.ts
@@ -4,9 +4,11 @@ const end_nodes = [WorkflowType.AiChat, WorkflowType.Reply]
 export class WorkFlowInstance {
   nodes
   edges
+  workFlowNodes: Array<any>
   constructor(workflow: { nodes: Array<any>; edges: Array<any> }) {
     this.nodes = workflow.nodes
     this.edges = workflow.edges
+    this.workFlowNodes = []
   }
   /**
    * 校验开始节点
@@ -61,16 +63,28 @@ export class WorkFlowInstance {
    * 校验工作流
    * @param up_node 上一个节点
    */
-  private is_valid_work_flow(up_node?: any) {
+  private _is_valid_work_flow(up_node?: any) {
     if (!up_node) {
       up_node = this.get_start_node()
     }
+    this.workFlowNodes.push(up_node)
     this.is_valid_node(up_node)
     const next_nodes = this.get_next_nodes(up_node)
     for (const next_node of next_nodes) {
-      this.is_valid_work_flow(next_node)
+      this._is_valid_work_flow(next_node)
     }
   }
+  private is_valid_work_flow() {
+    this.workFlowNodes = []
+    this._is_valid_work_flow()
+    const notInWorkFlowNodes = this.nodes
+      .filter((node: any) => node.id !== WorkflowType.Start && node.id !== WorkflowType.Base)
+      .filter((node) => !this.workFlowNodes.includes(node))
+    if (notInWorkFlowNodes.length > 0) {
+      throw `未在流程中的节点:${notInWorkFlowNodes.map((node) => node.properties.stepName).join('，')}`
+    }
+    this.workFlowNodes = []
+  }
   /**
    * 获取流程下一个节点列表
    * @param node 节点