diff --git a/src/index.ts b/src/index.ts
index 5dda5ca..807f844 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -27,6 +27,7 @@ const app = Fastify({
     level: "info",
     redact: ["req.headers.authorization"], // 永不记录密钥
   },
+  connectionTimeout: 180_000, // 3 min
 });
 
 await app.register(aiRoutes);
diff --git a/src/llm/client.ts b/src/llm/client.ts
index 94a6ab1..293ac11 100644
--- a/src/llm/client.ts
+++ b/src/llm/client.ts
@@ -24,7 +24,7 @@ export function loadConfig(): LlmConfig {
     apiUrl: process.env.LLM_API_URL ?? "https://api.siliconflow.cn/v1/chat/completions",
     apiKey: process.env.LLM_API_KEY ?? "",
     model: process.env.LLM_MODEL ?? "Qwen/Qwen2.5-32B-Instruct",
-    timeoutMs: Number(process.env.LLM_TIMEOUT_MS ?? 60000),
+    timeoutMs: Number(process.env.LLM_TIMEOUT_MS ?? 120000),
   };
 }