From 55f8f690606c3276daa8627483e80f0bf543063c Mon Sep 17 00:00:00 2001
From: Henry Heng <henryheng@flowiseai.com>
Date: Fri, 15 Aug 2025 17:08:41 +0800
Subject: [PATCH] Bugfix/unshift system message (#5080)

unshift system message
---
 packages/components/nodes/agentflow/Agent/Agent.ts | 6 +++++-
 packages/components/nodes/agentflow/LLM/LLM.ts     | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/packages/components/nodes/agentflow/Agent/Agent.ts b/packages/components/nodes/agentflow/Agent/Agent.ts
index e9ba91789..9ee90a477 100644
--- a/packages/components/nodes/agentflow/Agent/Agent.ts
+++ b/packages/components/nodes/agentflow/Agent/Agent.ts
@@ -797,7 +797,11 @@ class Agent_Agentflow implements INode {
                 const role = msg.role
                 const content = msg.content
                 if (role && content) {
-                    messages.push({ role, content })
+                    if (role === 'system') {
+                        messages.unshift({ role, content })
+                    } else {
+                        messages.push({ role, content })
+                    }
                 }
             }
 
diff --git a/packages/components/nodes/agentflow/LLM/LLM.ts b/packages/components/nodes/agentflow/LLM/LLM.ts
index d0e684ab6..afafc4a56 100644
--- a/packages/components/nodes/agentflow/LLM/LLM.ts
+++ b/packages/components/nodes/agentflow/LLM/LLM.ts
@@ -399,7 +399,11 @@ class LLM_Agentflow implements INode {
                 const role = msg.role
                 const content = msg.content
                 if (role && content) {
-                    messages.push({ role, content })
+                    if (role === 'system') {
+                        messages.unshift({ role, content })
+                    } else {
+                        messages.push({ role, content })
+                    }
                 }
             }