Update index.js

index.js

@@ -124,7 +124,7 @@ class Utils {
                             message: `${retryError.message}已重新刷新认证信息，请重新对话`,
                             type: 'server_error',
                             param: null,
-                            code: retryError.code || null
+                            code: error.code || null
                         }
                     });
                 } else {
@@ -518,7 +518,6 @@ async function handleStreamResponse(response, model, res) {
                         const linejosn = JSON.parse(data);
                         if (linejosn?.error?.name === "RateLimitError") {
                             var responseData = MessageProcessor.createChatResponse(`${linejosn.error.name},请重新对话`, model, true);
-                            fs.unlinkSync(path.resolve(process.cwd(), 'signature.json'));
                             CONFIG.API.SIGNATURE_COOKIE = null;
                             console.log("认证信息已删除");
                             res.write(`data: ${JSON.stringify(responseData)}\n\n`);