diff --git a/frontend/web/.env b/frontend/web/.env
index d0640cb..33374ce 100644
--- a/frontend/web/.env
+++ b/frontend/web/.env
@@ -1,4 +1,4 @@
-VITE_API_BASE_URL = http://localhost:5202/api
-VITE_SIGNALR_BASE_URL = http://localhost:5202/chat
-#VITE_API_BASE_URL = http://192.168.5.116:7070/api
-#VITE_SIGNALR_BASE_URL = http://192.168.5.116:7070/chat
\ No newline at end of file
+#VITE_API_BASE_URL = http://localhost:5202/api
+#VITE_SIGNALR_BASE_URL = http://localhost:5202/chat
+VITE_API_BASE_URL = https://im.test.nxsir.cn/api
+VITE_SIGNALR_BASE_URL = https://im.test.nxsir.cn/chat
\ No newline at end of file
diff --git a/frontend/web/vite.config.js b/frontend/web/vite.config.js
index e47930e..5699bc0 100644
--- a/frontend/web/vite.config.js
+++ b/frontend/web/vite.config.js
@@ -4,9 +4,20 @@ import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
 import vueDevTools from 'vite-plugin-vue-devtools'
 
+
 // https://vite.dev/config/
-export default defineConfig({
-  base: './',
+export default defineConfig(( { command } ) => {
+  let branch = process.env.BRANCH || 'main'
+
+  // 1️⃣ dev 模式：永远 /
+  if (command === 'serve') {
+    branch = '/'
+  }else{
+    branch = `/${branch}/`
+  }
+
+  return {
+  base: branch,
   build: {
     sourcemap: true
   },
@@ -19,4 +30,5 @@ export default defineConfig({
       '@': fileURLToPath(new URL('./src', import.meta.url))
     },
   },
+}
 })