From 3792e4308013dd4033e68fa1badad60775b74c83 Mon Sep 17 00:00:00 2001
From: Liu Qiang <liuqiang1357@163.com>
Date: Tue, 11 Nov 2025 11:57:09 +0800
Subject: [PATCH] Make wrapToolCall asynchronous for error handling

---
 src/oss/langchain/agents.mdx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/oss/langchain/agents.mdx b/src/oss/langchain/agents.mdx
index c687215c36..23dd13c9f2 100644
--- a/src/oss/langchain/agents.mdx
+++ b/src/oss/langchain/agents.mdx
@@ -341,9 +341,9 @@ import { createAgent, createMiddleware, ToolMessage } from "langchain";
 
 const handleToolErrors = createMiddleware({
   name: "HandleToolErrors",
-  wrapToolCall: (request, handler) => {
+  wrapToolCall: async (request, handler) => {
     try {
-      return handler(request);
+      return await handler(request);
     } catch (error) {
       // Return a custom error message to the model
       return new ToolMessage({