diff --git a/src/components/SimpleProcessDesignerV2/src/ProcessNodeTree.vue b/src/components/SimpleProcessDesignerV2/src/ProcessNodeTree.vue
index c139468ee..3975c242f 100644
--- a/src/components/SimpleProcessDesignerV2/src/ProcessNodeTree.vue
+++ b/src/components/SimpleProcessDesignerV2/src/ProcessNodeTree.vue
@@ -144,50 +144,49 @@ const findFromParentNode = (nodeList: SimpleFlowNode[], nodeType: number) => {
 const nodeCache = new Map<string, SimpleFlowNode[]>()
 
 const recursiveFindParentNode = (
-  nodeList: SimpleFlowNode[],
-  findNode: SimpleFlowNode,
-  nodeType: number
+  nodeList: SimpleFlowNode[],    
+  findNode: SimpleFlowNode,      
+  nodeType: number              
 ) => {
   if (!findNode) return
-
-  // 检查缓存
-  const cacheKey = `${findNode.id}-${nodeType}`
-  if (nodeCache.has(cacheKey)) {
-    const cachedNodes = nodeCache.get(cacheKey)
-    nodeList.push(...cachedNodes!)
-    return
-  }
-
-  const foundNodes: SimpleFlowNode[] = []
-
-  // 检查当前节点
-  if (findNode.type === nodeType) {
-    foundNodes.push(findNode)
-  }
-
-  // 检查子节点
-  if (findNode.childNode) {
-    if (findNode.childNode.type === nodeType) {
-      foundNodes.push(findNode.childNode)
-    }
-    recursiveFindParentNode(foundNodes, findNode.childNode, nodeType)
-  }
-
-  // 检查条件分支节点
-  if (findNode.type === NodeType.CONDITION_BRANCH_NODE && findNode.conditionNodes) {
-    findNode.conditionNodes.forEach(conditionNode => {
-      if (conditionNode.childNode) {
-        recursiveFindParentNode(foundNodes, conditionNode.childNode, nodeType)
+  
+  // Create a Set to track visited nodes and prevent cycles
+  const visitedNodes = new Set<string>()
+  
+  const findNodesRecursive = (node: SimpleFlowNode) => {
+    if (!node || visitedNodes.has(node.id)) return
+    
+    visitedNodes.add(node.id)
+    
+    // Check current node
+    if (node.type === nodeType) {
+      if (!nodeList.some(n => n.id === node.id)) {
+        nodeList.push(node)
       }
-    })
+    }
+    
+    // Check child node
+    if (node.childNode) {
+      findNodesRecursive(node.childNode)
+    }
+    
+    // Check condition nodes if present
+    if (node.type === NodeType.CONDITION_BRANCH_NODE && node.conditionNodes) {
+      node.conditionNodes.forEach(conditionNode => {
+        if (conditionNode.childNode) {
+          findNodesRecursive(conditionNode.childNode)
+        }
+      })
+    }
   }
 
-  // 存入缓存
-  nodeCache.set(cacheKey, foundNodes)
-  nodeList.push(...foundNodes)
+  // Start recursive search
+  findNodesRecursive(findNode)
 
-  // 继续向上递归查找
-  emits('find:recursiveFindParentNode', nodeList, props.parentNode, nodeType)
+  // Continue search in parent node
+  if (props.parentNode) {
+    emits('find:recursiveFindParentNode', nodeList, props.parentNode, nodeType)
+  }
 }
 </script>
 <style lang="scss" scoped></style>