From c4448db6abde90c7851de11df997431defac501d Mon Sep 17 00:00:00 2001
From: Chapoly1305 <musts-papacy-0w@icloud.com>
Date: Tue, 30 Dec 2025 01:10:43 -0500
Subject: [PATCH 1/2] =?UTF-8?q?fix:=20=E9=98=B2=E6=AD=A2=E5=AE=A2=E6=88=B7?=
 =?UTF-8?q?=E7=AB=AF=E6=96=AD=E5=BC=80=E8=BF=9E=E6=8E=A5=E6=97=B6=E6=9C=8D?=
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Content-Transfer-Encoding: 8bit

当客户端在流式响应过程中断开连接时，catch 块尝试发送 JSON 错误响应
会触发 ERR_HTTP_HEADERS_SENT 错误，导致 unhandledRejection 使服务崩溃。

修复文件：
- src/routes/openaiClaudeRoutes.js
- src/routes/openaiGeminiRoutes.js

修复内容：
- 添加 res.headersSent 检查，避免在响应已发送后再次尝试发送
- 客户端断开连接使用 INFO 级别日志（不是 ERROR）
- 客户端断开使用 499 状态码 (Client Closed Request)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 src/routes/openaiClaudeRoutes.js | 29 +++++++++++++++++++++--------
 src/routes/openaiGeminiRoutes.js | 32 ++++++++++++++++++++++----------
 2 files changed, 43 insertions(+), 18 deletions(-)

diff --git a/src/routes/openaiClaudeRoutes.js b/src/routes/openaiClaudeRoutes.js
index 2bb7cc09..35314e4a 100644
--- a/src/routes/openaiClaudeRoutes.js
+++ b/src/routes/openaiClaudeRoutes.js
@@ -402,16 +402,29 @@ async function handleChatCompletion(req, res, apiKeyData) {
     const duration = Date.now() - startTime
     logger.info(`✅ OpenAI-Claude request completed in ${duration}ms`)
   } catch (error) {
-    logger.error('❌ OpenAI-Claude request error:', error)
+    // 客户端主动断开连接是正常情况，使用 INFO 级别
+    if (error.message === 'Client disconnected') {
+      logger.info('🔌 OpenAI-Claude stream ended: Client disconnected')
+    } else {
+      logger.error('❌ OpenAI-Claude request error:', error)
+    }
 
-    const status = error.status || 500
-    res.status(status).json({
-      error: {
-        message: error.message || 'Internal server error',
-        type: 'server_error',
-        code: 'internal_error'
+    // 检查响应是否已发送（流式响应场景），避免 ERR_HTTP_HEADERS_SENT
+    if (!res.headersSent) {
+      // 客户端断开使用 499 状态码 (Client Closed Request)
+      if (error.message === 'Client disconnected') {
+        res.status(499).end()
+      } else {
+        const status = error.status || 500
+        res.status(status).json({
+          error: {
+            message: error.message || 'Internal server error',
+            type: 'server_error',
+            code: 'internal_error'
+          }
+        })
       }
-    })
+    }
   } finally {
     // 清理资源
     if (abortController) {
diff --git a/src/routes/openaiGeminiRoutes.js b/src/routes/openaiGeminiRoutes.js
index fd74ad86..ef65acc1 100644
--- a/src/routes/openaiGeminiRoutes.js
+++ b/src/routes/openaiGeminiRoutes.js
@@ -604,7 +604,12 @@ router.post('/v1/chat/completions', authenticateApiKey, async (req, res) => {
     const duration = Date.now() - startTime
     logger.info(`OpenAI-Gemini request completed in ${duration}ms`)
   } catch (error) {
-    logger.error('OpenAI-Gemini request error:', error)
+    // 客户端主动断开连接是正常情况，使用 INFO 级别
+    if (error.message === 'Client disconnected') {
+      logger.info('🔌 OpenAI-Gemini stream ended: Client disconnected')
+    } else {
+      logger.error('OpenAI-Gemini request error:', error)
+    }
 
     // 处理速率限制
     if (error.status === 429) {
@@ -613,17 +618,24 @@ router.post('/v1/chat/completions', authenticateApiKey, async (req, res) => {
       }
     }
 
-    // 返回 OpenAI 格式的错误响应
-    const status = error.status || 500
-    const errorResponse = {
-      error: error.error || {
-        message: error.message || 'Internal server error',
-        type: 'server_error',
-        code: 'internal_error'
+    // 检查响应是否已发送（流式响应场景），避免 ERR_HTTP_HEADERS_SENT
+    if (!res.headersSent) {
+      // 客户端断开使用 499 状态码 (Client Closed Request)
+      if (error.message === 'Client disconnected') {
+        res.status(499).end()
+      } else {
+        // 返回 OpenAI 格式的错误响应
+        const status = error.status || 500
+        const errorResponse = {
+          error: error.error || {
+            message: error.message || 'Internal server error',
+            type: 'server_error',
+            code: 'internal_error'
+          }
+        }
+        res.status(status).json(errorResponse)
       }
     }
-
-    res.status(status).json(errorResponse)
   } finally {
     // 清理资源
     if (abortController) {

From 0a59a0f9d4e407cd5e093715179dbbe56a391021 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Thu, 1 Jan 2026 05:57:53 +0000
Subject: [PATCH 2/2] chore: sync VERSION file with release v1.1.251 [skip ci]

---
 VERSION | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/VERSION b/VERSION
index 7b7bb57d..548ae3b2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.250
+1.1.251