feat: 集成阿里云日志服务(SLS)

- 添加 aliyun-log SDK 依赖 - 新增 sls-logger.js 模块，支持批量日志上报、静默降级 - 在四个 API 处理函数中集成请求日志记录 - 更新 .env.example 添加 SLS 配置示例
2025-12-27 03:08:01 +08:00
parent dec2f26b5c
commit eb1096ce54
5 changed files with 379 additions and 32 deletions
--- a/.env.example
+++ b/.env.example
@@ -5,3 +5,10 @@ FACTORY_API_KEY=your_factory_api_key_here

 # 方式2：使用refresh token自动刷新（次优先级）
 DROID_REFRESH_KEY=your_refresh_token_here
+
+# 阿里云日志服务配置
+ALIYUN_ACCESS_KEY_ID=your_access_key_id
+ALIYUN_ACCESS_KEY_SECRET=your_access_key_secret
+ALIYUN_SLS_ENDPOINT=cn-hangzhou.log.aliyuncs.com
+ALIYUN_SLS_PROJECT=your_project_name
+ALIYUN_SLS_LOGSTORE=your_logstore_name
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,19 +1,99 @@
 {
  "name": "droid2api",
-  "version": "1.3.5",
+  "version": "1.3.7",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "droid2api",
-      "version": "1.3.5",
+      "version": "1.3.7",
      "license": "MIT",
      "dependencies": {
+        "aliyun-log": "github:aliyun/aliyun-log-nodejs-sdk",
        "express": "^4.18.2",
        "https-proxy-agent": "^7.0.2",
        "node-fetch": "^3.3.2"
      }
    },
+    "node_modules/@protobufjs/aspromise": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
+      "integrity": "sha512-j+gKExEuLmKwvz3OgROXtrJ2UG2x8Ch2YZUxahh+s1F2HZ+wAceUNLkvy6zKCPVRkU++ZWQrdxsUeQXmcg4uoQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/base64": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz",
+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/codegen": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/eventemitter": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
+      "integrity": "sha512-j9ednRT81vYJ9OfVuXG6ERSTdEL1xVsNgqpkxMsbIabzSo3goCjDIveeGv5d03om39ML71RdmrGNjG5SReBP/Q==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/fetch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz",
+      "integrity": "sha512-lljVXpqXebpsijW71PZaCYeIcE5on1w5DlQy5WH6GLbFryLUrBD4932W/E2BSpfRJWseIL4v/KPgBFxDOIdKpQ==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@protobufjs/aspromise": "^1.1.1",
+        "@protobufjs/inquire": "^1.1.0"
+      }
+    },
+    "node_modules/@protobufjs/float": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
+      "integrity": "sha512-Ddb+kVXlXst9d+R9PfTIxh1EdNkgoRe5tOX6t01f1lYWOvJnSPDBlG241QLzcyPdoNTsblLUdujGSE4RzrTZGQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/inquire": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
+      "integrity": "sha512-kdSefcPdruJiFMVSbn801t4vFK7KB/5gd2fYvrxhuJYg8ILrmn9SKSX2tZdV6V+ksulWqS7aXjBcRXl3wHoD9Q==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/path": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
+      "integrity": "sha512-6JOcJ5Tm08dOHAbdR3GrvP+yUUfkjG5ePsHYczMFLq3ZmMkAD98cDgcT2iA1lJ9NVwFd4tH/iSSoe44YWkltEA==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/pool": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
+      "integrity": "sha512-0kELaGSIDBKvcgS4zkjz1PeddatrjYcmMWOlAuAPwAeccUrPHdUqo/J6LiymHHEiJT5NrF1UVwxY14f+fy4WQw==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@protobufjs/utf8": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha512-Vvn3zZrhQZkkBE8LSuW3em98c0FwgO4nxzv6OdSxPKJIEKY2bGbHn+mhGIPerzI4twdxaP8/0+06HBpwf345Lw==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@types/long": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.2.tgz",
+      "integrity": "sha512-MqTGEo5bj5t157U6fA/BiDynNkn0YknVdh48CMPkTSpFTVmvao5UQmm7uEF6xBEo7qIMAlY/JSleYaE6VOdpaA==",
+      "license": "MIT"
+    },
+    "node_modules/@types/node": {
+      "version": "20.19.27",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.27.tgz",
+      "integrity": "sha512-N2clP5pJhB2YnZJ3PIHFk5RkygRX5WO/5f0WC08tp0wd+sv0rsJk3MqWn3CbNmT2J505a5336jaQj4ph1AdMug==",
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
    "node_modules/accepts": {
      "version": "1.3.8",
      "resolved": "https://registry.npmmirror.com/accepts/-/accepts-1.3.8.tgz",
@@ -36,6 +116,18 @@
        "node": ">= 14"
      }
    },
+    "node_modules/aliyun-log": {
+      "name": "@alicloud/log",
+      "version": "1.2.6",
+      "resolved": "git+ssh://git@github.com/aliyun/aliyun-log-nodejs-sdk.git#f5c2ab9cf5e0c7d3edd2fa1a15fc7f0a9946cd05",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^2.6.8",
+        "httpx": "^2.1.2",
+        "kitx": "^1.2.1",
+        "protobufjs": "^6.8.8"
+      }
+    },
    "node_modules/array-flatten": {
      "version": "1.1.1",
      "resolved": "https://registry.npmmirror.com/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -502,6 +594,39 @@
      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
      "license": "MIT"
    },
+    "node_modules/httpx": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/httpx/-/httpx-2.3.3.tgz",
+      "integrity": "sha512-k1qv94u1b6e+XKCxVbLgYlOypVP9MPGpnN5G/vxFf6tDO4V3xpz3d6FUOY/s8NtPgaq5RBVVgSB+7IHpVxMYzw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "^20",
+        "debug": "^4.1.1"
+      }
+    },
+    "node_modules/httpx/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/httpx/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
    "node_modules/iconv-lite": {
      "version": "0.4.24",
      "resolved": "https://registry.npmmirror.com/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -529,6 +654,18 @@
        "node": ">= 0.10"
      }
    },
+    "node_modules/kitx": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/kitx/-/kitx-1.3.0.tgz",
+      "integrity": "sha512-fhBqFlXd0GkKTB+8ayLfpzPUw+LHxZlPAukPNBD1Om7JMeInT+/PxCAf1yLagvD+VKoyWhXtJR68xQkX/a0wOQ==",
+      "license": "MIT"
+    },
+    "node_modules/long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
+      "license": "Apache-2.0"
+    },
    "node_modules/math-intrinsics": {
      "version": "1.1.0",
      "resolved": "https://registry.npmmirror.com/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -690,6 +827,32 @@
      "integrity": "sha512-RA1GjUVMnvYFxuqovrEqZoxxW5NUZqbwKtYz/Tt7nXerk0LbLblQmrsgdeOxV5SFHf0UDggjS/bSeOZwt1pmEQ==",
      "license": "MIT"
    },
+    "node_modules/protobufjs": {
+      "version": "6.11.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.4.tgz",
+      "integrity": "sha512-5kQWPaJHi1WoCpjTGszzQ32PG2F4+wRY6BmAT4Vfw56Q2FZ4YZzK20xUYQH4YkfehY1e6QSICrJquM6xXZNcrw==",
+      "hasInstallScript": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@protobufjs/aspromise": "^1.1.2",
+        "@protobufjs/base64": "^1.1.2",
+        "@protobufjs/codegen": "^2.0.4",
+        "@protobufjs/eventemitter": "^1.1.0",
+        "@protobufjs/fetch": "^1.1.0",
+        "@protobufjs/float": "^1.0.2",
+        "@protobufjs/inquire": "^1.1.0",
+        "@protobufjs/path": "^1.1.2",
+        "@protobufjs/pool": "^1.1.0",
+        "@protobufjs/utf8": "^1.1.0",
+        "@types/long": "^4.0.1",
+        "@types/node": ">=13.7.0",
+        "long": "^4.0.0"
+      },
+      "bin": {
+        "pbjs": "bin/pbjs",
+        "pbts": "bin/pbts"
+      }
+    },
    "node_modules/proxy-addr": {
      "version": "2.0.7",
      "resolved": "https://registry.npmmirror.com/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -931,6 +1094,12 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/undici-types": {
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "license": "MIT"
+    },
    "node_modules/unpipe": {
      "version": "1.0.0",
      "resolved": "https://registry.npmmirror.com/unpipe/-/unpipe-1.0.0.tgz",
--- a/package.json
+++ b/package.json
@@ -8,12 +8,17 @@
    "start": "node server.js",
    "dev": "node server.js"
  },
-  "keywords": ["openai", "api", "proxy"],
+  "keywords": [
+    "openai",
+    "api",
+    "proxy"
+  ],
  "author": "",
  "license": "MIT",
  "dependencies": {
    "express": "^4.18.2",
    "https-proxy-agent": "^7.0.2",
-    "node-fetch": "^3.3.2"
+    "node-fetch": "^3.3.2",
+    "aliyun-log": "github:aliyun/aliyun-log-nodejs-sdk"
  }
-}
+}
--- a/routes.js
+++ b/routes.js
@@ -9,6 +9,7 @@ import { AnthropicResponseTransformer } from './transformers/response-anthropic.
 import { OpenAIResponseTransformer } from './transformers/response-openai.js';
 import { getApiKey } from './auth.js';
 import { getNextProxyAgent } from './proxy-manager.js';
+import { logRequest as slsLogRequest } from './sls-logger.js';

 const router = express.Router();

@@ -52,7 +53,7 @@ function convertResponseToChatCompletion(resp) {

 router.get('/v1/models', (req, res) => {
  logInfo('GET /v1/models');
-  
+
  try {
    const config = getConfig();
    const models = config.models.map(model => ({
@@ -81,6 +82,7 @@ router.get('/v1/models', (req, res) => {
 // 标准 OpenAI 聊天补全处理函数（带格式转换）
 async function handleChatCompletions(req, res) {
  logInfo('POST /v1/chat/completions');
+  const startTime = Date.now();

  try {
    const openaiRequest = req.body;
@@ -108,7 +110,7 @@ async function handleChatCompletions(req, res) {
      authHeader = await getApiKey(req.headers.authorization);
    } catch (error) {
      logError('Failed to get API key', error);
-      return res.status(500).json({ 
+      return res.status(500).json({
        error: 'API key not available',
        message: 'Failed to get or refresh API key. Please check server logs.'
      });
@@ -166,9 +168,9 @@ async function handleChatCompletions(req, res) {
    if (!response.ok) {
      const errorText = await response.text();
      logError(`Endpoint error: ${response.status}`, new Error(errorText));
-      return res.status(response.status).json({ 
+      return res.status(response.status).json({
        error: `Endpoint returned ${response.status}`,
-        details: errorText 
+        details: errorText
      });
    }

@@ -187,6 +189,7 @@ async function handleChatCompletions(req, res) {
          }
          res.end();
          logInfo('Stream forwarded (common type)');
+          slsLogRequest({ method: 'POST', endpoint: '/v1/chat/completions', model: modelId, status: 200, duration_ms: Date.now() - startTime });
        } catch (streamError) {
          logError('Stream error', streamError);
          res.end();
@@ -206,6 +209,7 @@ async function handleChatCompletions(req, res) {
          }
          res.end();
          logInfo('Stream completed');
+          slsLogRequest({ method: 'POST', endpoint: '/v1/chat/completions', model: modelId, status: 200, duration_ms: Date.now() - startTime });
        } catch (streamError) {
          logError('Stream error', streamError);
          res.end();
@@ -228,13 +232,15 @@ async function handleChatCompletions(req, res) {
        logResponse(200, null, data);
        res.json(data);
      }
+      slsLogRequest({ method: 'POST', endpoint: '/v1/chat/completions', model: modelId, status: 200, duration_ms: Date.now() - startTime });
    }

  } catch (error) {
    logError('Error in /v1/chat/completions', error);
-    res.status(500).json({ 
+    slsLogRequest({ method: 'POST', endpoint: '/v1/chat/completions', model: req.body?.model, status: 500, duration_ms: Date.now() - startTime, error: error.message });
+    res.status(500).json({
      error: 'Internal server error',
-      message: error.message 
+      message: error.message
    });
  }
 }
@@ -242,6 +248,7 @@ async function handleChatCompletions(req, res) {
 // 直接转发 OpenAI 请求（不做格式转换）
 async function handleDirectResponses(req, res) {
  logInfo('POST /v1/responses');
+  const startTime = Date.now();

  try {
    const openaiRequest = req.body;
@@ -258,7 +265,7 @@ async function handleDirectResponses(req, res) {

    // 只允许 openai 类型端点
    if (model.type !== 'openai') {
-      return res.status(400).json({ 
+      return res.status(400).json({
        error: 'Invalid endpoint type',
        message: `/v1/responses 接口只支持 openai 类型端点，当前模型 ${modelId} 是 ${model.type} 类型`
      });
@@ -280,17 +287,17 @@ async function handleDirectResponses(req, res) {
      authHeader = await getApiKey(req.headers.authorization || clientAuthFromXApiKey);
    } catch (error) {
      logError('Failed to get API key', error);
-      return res.status(500).json({ 
+      return res.status(500).json({
        error: 'API key not available',
        message: 'Failed to get or refresh API key. Please check server logs.'
      });
    }

    const clientHeaders = req.headers;
-    
+
    // Get provider from model config
    const provider = getModelProvider(modelId);
-    
+
    // 获取 headers
    const headers = getOpenAIHeaders(authHeader, clientHeaders, provider);

@@ -340,8 +347,8 @@ async function handleDirectResponses(req, res) {
        if (claudeCodeTools.includes(tool.name)) return false;
        // 过滤所有 mcp__ 开头的工具和 MCP 相关工具
        return !tool.name.startsWith('mcp__') &&
-               !tool.name.includes('Mcp') &&
-               !tool.name.includes('MCP');
+          !tool.name.includes('Mcp') &&
+          !tool.name.includes('MCP');
      });
    }

@@ -366,9 +373,9 @@ async function handleDirectResponses(req, res) {
    if (!response.ok) {
      const errorText = await response.text();
      logError(`Endpoint error: ${response.status}`, new Error(errorText));
-      return res.status(response.status).json({ 
+      return res.status(response.status).json({
        error: `Endpoint returned ${response.status}`,
-        details: errorText 
+        details: errorText
      });
    }

@@ -387,6 +394,7 @@ async function handleDirectResponses(req, res) {
        }
        res.end();
        logInfo('Stream forwarded successfully');
+        slsLogRequest({ method: 'POST', endpoint: '/v1/responses', model: modelId, status: 200, duration_ms: Date.now() - startTime });
      } catch (streamError) {
        logError('Stream error', streamError);
        res.end();
@@ -396,13 +404,15 @@ async function handleDirectResponses(req, res) {
      const data = await response.json();
      logResponse(200, null, data);
      res.json(data);
+      slsLogRequest({ method: 'POST', endpoint: '/v1/responses', model: modelId, status: 200, duration_ms: Date.now() - startTime });
    }

  } catch (error) {
    logError('Error in /v1/responses', error);
-    res.status(500).json({ 
+    slsLogRequest({ method: 'POST', endpoint: '/v1/responses', model: req.body?.model, status: 500, duration_ms: Date.now() - startTime, error: error.message });
+    res.status(500).json({
      error: 'Internal server error',
-      message: error.message 
+      message: error.message
    });
  }
 }
@@ -410,6 +420,7 @@ async function handleDirectResponses(req, res) {
 // 直接转发 Anthropic 请求（不做格式转换）
 async function handleDirectMessages(req, res) {
  logInfo('POST /v1/messages');
+  const startTime = Date.now();

  try {
    const anthropicRequest = req.body;
@@ -426,7 +437,7 @@ async function handleDirectMessages(req, res) {

    // 只允许 anthropic 类型端点
    if (model.type !== 'anthropic') {
-      return res.status(400).json({ 
+      return res.status(400).json({
        error: 'Invalid endpoint type',
        message: `/v1/messages 接口只支持 anthropic 类型端点，当前模型 ${modelId} 是 ${model.type} 类型`
      });
@@ -448,17 +459,17 @@ async function handleDirectMessages(req, res) {
      authHeader = await getApiKey(req.headers.authorization || clientAuthFromXApiKey);
    } catch (error) {
      logError('Failed to get API key', error);
-      return res.status(500).json({ 
+      return res.status(500).json({
        error: 'API key not available',
        message: 'Failed to get or refresh API key. Please check server logs.'
      });
    }

    const clientHeaders = req.headers;
-    
+
    // Get provider from model config
    const provider = getModelProvider(modelId);
-    
+
    // 获取 headers
    const isStreaming = anthropicRequest.stream === true;
    const headers = getAnthropicHeaders(authHeader, clientHeaders, isStreaming, modelId, provider);
@@ -519,7 +530,7 @@ async function handleDirectMessages(req, res) {
        'high': 24576,
        'xhigh': 40960
      };
-      
+
      modifiedRequest.thinking = {
        type: 'enabled',
        budget_tokens: budgetTokens[reasoningLevel]
@@ -575,8 +586,8 @@ async function handleDirectMessages(req, res) {
        if (claudeCodeTools.includes(tool.name)) return false;
        // 过滤所有 mcp__ 开头的工具和 MCP 相关工具
        return !tool.name.startsWith('mcp__') &&
-               !tool.name.includes('Mcp') &&
-               !tool.name.includes('MCP');
+          !tool.name.includes('Mcp') &&
+          !tool.name.includes('MCP');
      });
    }

@@ -601,9 +612,9 @@ async function handleDirectMessages(req, res) {
    if (!response.ok) {
      const errorText = await response.text();
      logError(`Endpoint error: ${response.status}`, new Error(errorText));
-      return res.status(response.status).json({ 
+      return res.status(response.status).json({
        error: `Endpoint returned ${response.status}`,
-        details: errorText 
+        details: errorText
      });
    }

@@ -620,6 +631,7 @@ async function handleDirectMessages(req, res) {
        }
        res.end();
        logInfo('Stream forwarded successfully');
+        slsLogRequest({ method: 'POST', endpoint: '/v1/messages', model: modelId, status: 200, duration_ms: Date.now() - startTime });
      } catch (streamError) {
        logError('Stream error', streamError);
        res.end();
@@ -629,10 +641,12 @@ async function handleDirectMessages(req, res) {
      const data = await response.json();
      logResponse(200, null, data);
      res.json(data);
+      slsLogRequest({ method: 'POST', endpoint: '/v1/messages', model: modelId, status: 200, duration_ms: Date.now() - startTime });
    }

  } catch (error) {
    logError('Error in /v1/messages', error);
+    slsLogRequest({ method: 'POST', endpoint: '/v1/messages', model: req.body?.model, status: 500, duration_ms: Date.now() - startTime, error: error.message });
    res.status(500).json({
      error: 'Internal server error',
      message: error.message
@@ -643,6 +657,7 @@ async function handleDirectMessages(req, res) {
 // 处理 Anthropic count_tokens 请求
 async function handleCountTokens(req, res) {
  logInfo('POST /v1/messages/count_tokens');
+  const startTime = Date.now();

  try {
    const anthropicRequest = req.body;
@@ -686,10 +701,10 @@ async function handleCountTokens(req, res) {
    }

    const clientHeaders = req.headers;
-    
+
    // Get provider from model config
    const provider = getModelProvider(modelId);
-    
+
    const headers = getAnthropicHeaders(authHeader, clientHeaders, false, modelId, provider);

    // 构建 count_tokens 端点 URL
@@ -728,9 +743,11 @@ async function handleCountTokens(req, res) {
    const data = await response.json();
    logResponse(200, null, data);
    res.json(data);
+    slsLogRequest({ method: 'POST', endpoint: '/v1/messages/count_tokens', model: modelId, status: 200, duration_ms: Date.now() - startTime });

  } catch (error) {
    logError('Error in /v1/messages/count_tokens', error);
+    slsLogRequest({ method: 'POST', endpoint: '/v1/messages/count_tokens', model: req.body?.model, status: 500, duration_ms: Date.now() - startTime, error: error.message });
    res.status(500).json({
      error: 'Internal server error',
      message: error.message
--- a/sls-logger.js
+++ b/sls-logger.js
@@ -0,0 +1,149 @@
+/**
+ * 阿里云日志服务（SLS）日志模块
+ * 
+ * 功能：
+ * - 将 API 请求/响应日志上报到阿里云 SLS
+ * - 批量上报，减少 API 调用
+ * - 环境变量缺失时静默降级
+ */
+
+import aliyunLog from 'aliyun-log';
+const { Client, PutLogsRequest, LogItem, LogContent } = aliyunLog;
+
+// SLS 配置
+const SLS_CONFIG = {
+    accessKeyId: process.env.ALIYUN_ACCESS_KEY_ID,
+    accessKeySecret: process.env.ALIYUN_ACCESS_KEY_SECRET,
+    endpoint: process.env.ALIYUN_SLS_ENDPOINT,
+    project: process.env.ALIYUN_SLS_PROJECT,
+    logstore: process.env.ALIYUN_SLS_LOGSTORE
+};
+
+// 检查配置是否完整
+const isConfigured = Object.values(SLS_CONFIG).every(v => v);
+
+let client = null;
+let logQueue = [];
+const BATCH_SIZE = 10;
+const FLUSH_INTERVAL_MS = 5000;
+
+// 初始化 SLS Client
+function initClient() {
+    if (!isConfigured) {
+        console.warn('[SLS] 阿里云日志服务未配置，日志将仅输出到控制台');
+        return null;
+    }
+
+    try {
+        client = new Client({
+            accessKeyId: SLS_CONFIG.accessKeyId,
+            accessKeySecret: SLS_CONFIG.accessKeySecret,
+            endpoint: SLS_CONFIG.endpoint
+        });
+        console.log('[SLS] 阿里云日志服务客户端初始化成功');
+        return client;
+    } catch (error) {
+        console.error('[SLS] 初始化失败:', error.message);
+        return null;
+    }
+}
+
+// 刷新日志队列
+async function flushLogs() {
+    if (!client || logQueue.length === 0) return;
+
+    const logsToSend = logQueue.splice(0, BATCH_SIZE);
+
+    try {
+        const logItems = logsToSend.map(log => {
+            const contents = Object.entries(log).map(([key, value]) => {
+                return new LogContent({
+                    key,
+                    value: String(value ?? '')
+                });
+            });
+            return new LogItem({
+                time: Math.floor(Date.now() / 1000),
+                contents
+            });
+        });
+
+        const request = new PutLogsRequest({
+            projectName: SLS_CONFIG.project,
+            logStoreName: SLS_CONFIG.logstore,
+            logGroup: {
+                logs: logItems
+            }
+        });
+
+        await client.putLogs(request);
+        console.log(`[SLS] 成功上报 ${logsToSend.length} 条日志`);
+    } catch (error) {
+        console.error('[SLS] 日志上报失败:', error.message);
+        // 失败的日志重新入队（可选：限制重试次数）
+        logQueue.unshift(...logsToSend);
+    }
+}
+
+// 定时刷新
+let flushTimer = null;
+function startFlushTimer() {
+    if (flushTimer || !isConfigured) return;
+    flushTimer = setInterval(flushLogs, FLUSH_INTERVAL_MS);
+}
+
+/**
+ * 记录 API 请求日志
+ * @param {Object} logData - 日志数据
+ * @param {string} logData.method - HTTP 方法
+ * @param {string} logData.endpoint - 请求路径
+ * @param {string} logData.model - 模型 ID
+ * @param {number} logData.status - 响应状态码
+ * @param {number} logData.duration_ms - 请求耗时
+ * @param {number} [logData.input_tokens] - 输入 Token 数
+ * @param {number} [logData.output_tokens] - 输出 Token 数
+ * @param {string} [logData.error] - 错误信息
+ */
+export function logRequest(logData) {
+    const enrichedLog = {
+        timestamp: new Date().toISOString(),
+        ...logData
+    };
+
+    // 始终输出到控制台
+    console.log('[SLS]', JSON.stringify(enrichedLog));
+
+    if (!isConfigured) return;
+
+    logQueue.push(enrichedLog);
+
+    // 队列满时立即刷新
+    if (logQueue.length >= BATCH_SIZE) {
+        flushLogs();
+    }
+}
+
+/**
+ * 优雅关闭，刷新剩余日志
+ */
+export async function shutdown() {
+    if (flushTimer) {
+        clearInterval(flushTimer);
+        flushTimer = null;
+    }
+    await flushLogs();
+    console.log('[SLS] 已关闭');
+}
+
+// 初始化
+initClient();
+startFlushTimer();
+
+// 进程退出时优雅关闭
+process.on('SIGTERM', shutdown);
+process.on('SIGINT', shutdown);
+
+export default {
+    logRequest,
+    shutdown
+};