🐛 fix: fix Qwen baseUrl calling (#4799)

* 🐛 fix: fix Qwen baseUrl calling

* ♻️ refactor: refactor baseURL import logic

* 🔨 chore: rollback changes

* 🔨 chore: add unit test

src/server/modules/AgentRuntime/index.test.ts

@@ -273,6 +273,16 @@ describe('initAgentRuntimeWithUserPayload method', () => {
       expect(runtime['_runtime']).toBeInstanceOf(LobeQwenAI);
     });
 
+    it('Qwen AI provider: without endpoint', async () => {
+      const jwtPayload: JWTPayload = { apiKey: 'user-qwen-key' };
+      const runtime = await initAgentRuntimeWithUserPayload(ModelProvider.Qwen, jwtPayload);
+
+      // 假设 LobeQwenAI 是 Qwen 提供者的实现类
+      expect(runtime['_runtime']).toBeInstanceOf(LobeQwenAI);
+      // endpoint 不存在，应返回 DEFAULT_BASE_URL
+      expect(runtime['_runtime'].baseURL).toBe('https://dashscope.aliyuncs.com/compatible-mode/v1');
+    });
+
     it('Bedrock AI provider: without apikey', async () => {
       const jwtPayload = {};
       const runtime = await initAgentRuntimeWithUserPayload(ModelProvider.Bedrock, jwtPayload);

src/server/modules/AgentRuntime/index.ts

@@ -40,7 +40,7 @@ const getLlmOptionsFromPayload = (provider: string, payload: JWTPayload) => {
       const apiKey = apiKeyManager.pick(payload?.apiKey || llmConfig[`${upperProvider}_API_KEY`]);
       const baseURL = payload?.endpoint || process.env[`${upperProvider}_PROXY_URL`];
 
-      return { apiKey, baseURL };
+      return baseURL ? { apiKey, baseURL } : { apiKey };
     }
 
     case ModelProvider.Azure: {