From d8967147be3c80cefb50099a2fb446da17f034de Mon Sep 17 00:00:00 2001
From: Crazy Urus <crazyurus@vip.qq.com>
Date: Mon, 27 May 2024 13:02:05 +0800
Subject: [PATCH] fix: moonshot did not return usage cause error

---
 libs/langchain-community/src/chat_models/moonshot.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/langchain-community/src/chat_models/moonshot.ts b/libs/langchain-community/src/chat_models/moonshot.ts
index 1ad88ae2d90d..1fb032f2c4ab 100644
--- a/libs/langchain-community/src/chat_models/moonshot.ts
+++ b/libs/langchain-community/src/chat_models/moonshot.ts
@@ -355,7 +355,7 @@ export class ChatMoonshot extends BaseChatModel implements ChatMoonshotParams {
       prompt_tokens = 0,
       completion_tokens = 0,
       total_tokens = 0,
-    } = data.usage;
+    } = data.usage ?? {};
 
     const { text } = data.output;