diff --git a/src/backend/README.md b/src/backend/README.md
index fbe2354..cc340a6 100644
--- a/src/backend/README.md
+++ b/src/backend/README.md
@@ -9,7 +9,7 @@ src/backend/
 ├── app/
 │   ├── __init__.py             # 创建 Flask 应用实例
 │   ├── api/                    # API 路由模块
-│   │   ├── __init__.py         # 注册 API 蓝图
+│   │   ├—── __init__.py         # 注册 API 蓝图
 │   │   ├── command_parser.py   # /api/parse_command 接口
 │   │   └── network_config.py   # /api/apply_config 接口
 │   └── services/               # 核心服务逻辑
diff --git a/src/backend/app/api/endpoints.py b/src/backend/app/api/endpoints.py
index 8aa16bc..c5d3678 100644
--- a/src/backend/app/api/endpoints.py
+++ b/src/backend/app/api/endpoints.py
@@ -1,5 +1,5 @@
 from fastapi import APIRouter, Depends, HTTPException
-from typing import Any
+from typing import List
 from pydantic import BaseModel
 
 from ...app.services.ai_services import AIService
@@ -10,6 +10,21 @@ from ..services.network_scanner import NetworkScanner
 router = APIRouter(prefix="/api", tags=["API"])
 scanner = NetworkScanner()
 
+class BatchConfigRequest(BaseModel):
+    config: dict
+    switch_ips: List[str]  # 支持多个IP
+
+@router.post("/batch_apply_config")
+async def batch_apply_config(request: BatchConfigRequest):
+    results = {}
+    for ip in request.switch_ips:
+        try:
+            configurator = SwitchConfigurator()
+            results[ip] = await configurator.apply_config(ip, request.config)
+        except Exception as e:
+            results[ip] = str(e)
+    return {"results": results}
+
 @router.get("/test")
 async def test_endpoint():
     return {"message": "Hello World"}
diff --git a/src/backend/app/api/network_config.py b/src/backend/app/api/network_config.py
index e8f85e0..0898cd0 100644
--- a/src/backend/app/api/network_config.py
+++ b/src/backend/app/api/network_config.py
@@ -1,14 +1,26 @@
 import paramiko
+from tenacity import retry, stop_after_attempt
 import asyncio
-from typing import Dict, Any
+from typing import Dict, Any,List
 from ..utils.exceptions import SwitchConfigException
 
 
 class SwitchConfigurator:
-    def __init__(self, username: str, password: str, timeout: int = 10):
+    def __init__(self, username: str, password: str, timeout: int = 10,max_workers=5):
         self.username = username
         self.password = password
         self.timeout = timeout
+        self.semaphore = asyncio.Semaphore(max_workers)
+
+    @retry(stop=stop_after_attempt(3))
+    async def safe_apply(self, ip: str, config: dict):
+        async with self.semaphore:
+            return await self.apply_config(ip, config)
+
+    async def batch_configure(self, config: dict, ips: List[str]):
+        """并发配置多台设备"""
+        tasks = [self.apply_config(ip, config) for ip in ips]
+        return await asyncio.gather(*tasks, return_exceptions=True)
 
     async def apply_config(self, switch_ip: str, config: Dict[str, Any]) -> str:
         """
diff --git a/src/backend/requirements.txt b/src/backend/requirements.txt
index 7ce79b3..4ca45f3 100644
--- a/src/backend/requirements.txt
+++ b/src/backend/requirements.txt
@@ -1,8 +1,10 @@
-fastapi==0.95.2
-uvicorn==0.22.0
-python-dotenv==1.0.0
-requests==2.28.2
-paramiko==3.1.0
-pydantic==1.10.7
-loguru==0.7.0
-python-nmap==0.7.1
\ No newline at end of file
+fastapi>=0.95.2
+uvicorn>=0.22.0
+python-dotenv>=1.0.0
+requests>=2.28.2
+paramiko>=3.1.0
+pydantic>=1.10.7
+loguru>=0.7.0
+python-nmap>=0.7.1
+tenacity>=9.1.2
+typing-extensions>=4.0.0
\ No newline at end of file