Update app.js

app.js

@@ -17,6 +17,15 @@ let tokenCache = {
   refreshPromise: null
 };
 
+// 日志函数
+function logRequest(req, status, message) {
+  const timestamp = new Date().toISOString();
+  const method = req.method;
+  const url = req.originalUrl;
+  const ip = req.ip;
+  console.log(`[${timestamp}] ${method} ${url} - Status: ${status}, IP: ${ip}, Message: ${message}`);
+}
+
 async function getAccessToken() {
   const now = Date.now() / 1000;
 
@@ -68,7 +77,9 @@ function constructApiUrl(location) {
 
 async function handleRequest(req, res) {
   if (req.method === 'OPTIONS') {
-    return handleOptions(res);
+    handleOptions(res);
+    logRequest(req, 204, 'CORS preflight request');
+    return;
   }
 
   const apiKey = req.headers['x-api-key'];
@@ -80,6 +91,7 @@ async function handleRequest(req, res) {
         message: "Your API key does not have permission to use the specified resource."
       }
     });
+    logRequest(req, 403, 'Invalid API key');
     return;
   }
 
@@ -117,6 +129,7 @@ async function handleRequest(req, res) {
     res.setHeader('Access-Control-Allow-Methods', 'POST, GET, OPTIONS');
     res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, x-api-key, anthropic-version, model');
 
+    logRequest(req, response.status, 'Request forwarded successfully');
     response.body.pipe(res);
   } catch (error) {
     console.error('Error:', error);
@@ -127,6 +140,7 @@ async function handleRequest(req, res) {
         message: "An unexpected error occurred while processing your request."
       }
     });
+    logRequest(req, 500, `Error: ${error.message}`);
   }
 }