From 7b7819217fe37fe07bf26ab3920ff2389da75a37 Mon Sep 17 00:00:00 2001
From: David Zhang <61440144+WAcry@users.noreply.github.com>
Date: Sun, 29 Jun 2025 12:14:58 -0700
Subject: [PATCH] chore(OpenAIApiClient): handle empty delta objects in
 non-streaming esponses (#7658)

chore(OpenAIApiClient): handle empty delta objects in non-streaming responses
---
 .../src/aiCore/clients/openai/OpenAIApiClient.ts     | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts b/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
index 499edfbb5c..6c6e524b53 100644
--- a/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
+++ b/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
@@ -639,9 +639,15 @@ export class OpenAIAPIClient extends OpenAIBaseClient<
 
           if (!choice) return
 
-          // 对于流式响应，使用delta；对于非流式响应，使用message
-          const contentSource: OpenAISdkRawContentSource | null =
-            'delta' in choice ? choice.delta : 'message' in choice ? choice.message : null
+          // 对于流式响应，使用 delta；对于非流式响应，使用 message。
+          // 然而某些 OpenAI 兼容平台在非流式请求时会错误地返回一个空对象的 delta 字段。
+          // 如果 delta 为空对象，应当忽略它并回退到 message，避免造成内容缺失。
+          let contentSource: OpenAISdkRawContentSource | null = null
+          if ('delta' in choice && choice.delta && Object.keys(choice.delta).length > 0) {
+            contentSource = choice.delta
+          } else if ('message' in choice) {
+            contentSource = choice.message
+          }
 
           if (!contentSource) return