From 6e1fb1d4ce80ce269410df967db5ab39d9ec6c4d Mon Sep 17 00:00:00 2001
From: shaohuzhang1 <80892890+shaohuzhang1@users.noreply.github.com>
Date: Mon, 4 Aug 2025 14:19:03 +0800
Subject: [PATCH] fix: [Advanced Orchestration] The content in the specified
 reply was repeated several times when the Q&A was output. #3754 (#3801)

---
 ui/src/workflow/common/app-node.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ui/src/workflow/common/app-node.ts b/ui/src/workflow/common/app-node.ts
index e3cdb3c4f..4b159cea1 100644
--- a/ui/src/workflow/common/app-node.ts
+++ b/ui/src/workflow/common/app-node.ts
@@ -372,7 +372,9 @@ class AppNodeModel extends HtmlResize.model {
     this.sourceRules.push({
       message: t('views.applicationWorkflow.tip.notRecyclable'),
       validate: (sourceNode: any, targetNode: any, sourceAnchor: any, targetAnchor: any) => {
-        return !isLoop(sourceNode.id, targetNode.id)
+        const up_node_list = this.graphModel.getNodeIncomingNode(targetNode.id)
+        const is_c = up_node_list.find((up_node) => up_node.id == sourceNode.id)
+        return !is_c && !isLoop(sourceNode.id, targetNode.id)
       },
     })