diff --git a/backend/main.py b/backend/main.py
index 6802b4ae..bb9ffe5e 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -60,7 +60,7 @@ from devices.utils.config_manager import ConfigManager
 class AppServer:
     """主应用服务器类"""
     
-    def __init__(self, host='localhost', port=5000, debug=False):
+    def __init__(self, host='0.0.0.0', port=5000, debug=False):
         """
         初始化应用服务器
         
diff --git a/frontend/src/renderer/src/services/api.js b/frontend/src/renderer/src/services/api.js
index 53ed1ed1..4a06feb6 100644
--- a/frontend/src/renderer/src/services/api.js
+++ b/frontend/src/renderer/src/services/api.js
@@ -13,7 +13,7 @@ api.interceptors.request.use(
     if (window.electronAPI) {
       config.baseURL = window.electronAPI.getBackendUrl()
     } else {
-      config.baseURL = 'http://192.168.1.173:5000'
+      config.baseURL = 'http://localhost:5000'
     }
     
     // 只为需要发送数据的请求设置Content-Type
@@ -622,7 +622,7 @@ export const getBackendUrl = () => {
   if (window.electronAPI) {
     return window.electronAPI.getBackendUrl()
   } else {
-    return 'http://192.168.1.173:5000'
+    return 'http://localhost:5000'
   }
 }