diff --git a/frontend/.env.example b/frontend/.env.example
index 86b0ad3..b1a0534 100644
--- a/frontend/.env.example
+++ b/frontend/.env.example
@@ -1 +1 @@
-VITE_BACKEND_BASE_URL=http://127.0.0.1:14620
+VITE_BACKEND_BASE_URL=https://mcbc.rc707blog.top
diff --git a/frontend/src/api/backendApi.js b/frontend/src/api/backendApi.js
index 0ea30b7..3c486e3 100644
--- a/frontend/src/api/backendApi.js
+++ b/frontend/src/api/backendApi.js
@@ -1,4 +1,5 @@
-const API_BASE_URL = import.meta.env.VITE_BACKEND_BASE_URL || "http://127.0.0.1:14620";
+const API_BASE_URL =
+  import.meta.env.VITE_BACKEND_BASE_URL || "https://mcbc.rc707blog.top";
 
 async function request(path, options = {}) {
   const response = await fetch(`${API_BASE_URL}${path}`, options);
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 0c59831..105f286 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -7,4 +7,9 @@ export default defineConfig({
   server: {
     port: 14621,
   },
+  preview: {
+    host: "0.0.0.0",
+    port: 14621,
+    allowedHosts: ["mc.rc707blog.top"],
+  },
 })