diff --git a/web_demo/client/src/pages/Conversation/Conversation.tsx b/web_demo/client/src/pages/Conversation/Conversation.tsx
index 80341b2..cd42919 100644
--- a/web_demo/client/src/pages/Conversation/Conversation.tsx
+++ b/web_demo/client/src/pages/Conversation/Conversation.tsx
@@ -41,17 +41,18 @@ const buildURL = ({
   textSeed,
   audioSeed,
 }: {
-  workerAddr: string;
+  workerAddr: string;  // e.g. "iiz6uvvoybsdj7-8000.proxy.runpod.net"
   params: ModelParamsValues;
   workerAuthId?: string;
   email?: string;
   textSeed: number;
   audioSeed: number;
 }) => {
-  // 使用 Vite 代理方式连接后端
-  const wsProtocol = (window.location.protocol === 'https:') ? 'wss' : 'ws';
-  // workerAddr 包含模式信息用于代理路由
-  const url = new URL(`${wsProtocol}://${window.location.host}/api/${workerAddr}`);
+  const wsProtocol = (window.location.protocol === "https:") ? "wss" : "ws";
+
+  // Connect directly to backend worker on /api/chat
+  const url = new URL(`${wsProtocol}://${workerAddr}/api/chat`);
+
   if (workerAuthId) {
     url.searchParams.append("worker_auth_id", workerAuthId);
   }
@@ -67,7 +68,6 @@ const buildURL = ({
   url.searchParams.append("audio_seed", audioSeed.toString());
   url.searchParams.append("repetition_penalty_context", params.repetitionPenaltyContext.toString());
   url.searchParams.append("repetition_penalty", params.repetitionPenalty.toString());
-  // Add image params if given
   if (params.imageUrl != undefined) {
     url.searchParams.append("image_url", params.imageUrl.toString());
     url.searchParams.append("image_resolution", params.imageResolution.toString());
@@ -76,7 +76,6 @@ const buildURL = ({
   return url.toString();
 };
 
-
 export const Conversation: FC<ConversationProps> = ({
   workerAddr,
   workerAuthId,
diff --git a/web_demo/client/vite.config.ts b/web_demo/client/vite.config.ts
index 4bcc625..15e24ad 100644
--- a/web_demo/client/vite.config.ts
+++ b/web_demo/client/vite.config.ts
@@ -4,7 +4,7 @@ import topLevelAwait from "vite-plugin-top-level-await";
 export default defineConfig(({ mode }) => {
   const env = loadEnv(mode, process.cwd());
 
-  const simplexTarget = env.VITE_SIMPLEX_TARGET || "http://localhost:11236";
+  const simplexTarget = env.VITE_SIMPLEX_TARGET || "http://localhost:8000";
   
   // proxy config for half-duplex (11236)
   const proxyConf: Record<string, string | ProxyOptions> = {
@@ -31,11 +31,8 @@ export default defineConfig(({ mode }) => {
   return {
     server: {
       host: "0.0.0.0",
-      port: 80,
-      https: {
-        cert: "./cert.pem",
-        key: "./key.pem",
-      },
+      port: 8010,
+      https: false,
       proxy: {
         ...proxyConf,
       }