diff --git a/doc/README_app_en.md b/doc/README_app_en.md
index 29dea14..88141d1 100644
--- a/doc/README_app_en.md
+++ b/doc/README_app_en.md
@@ -7,7 +7,11 @@ get method
 pr  
 
 
-docker run --rm -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/tpre:/app -e HOST_IP=110.41.130.197 git.mamahaha.work/sangge/tpre:base bash  
+docker run --rm -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=110.41.130.197 git.mamahaha.work/sangge/tpre:base bash  
+
+
+tpre3: docker run --rm -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=110.41.21.35 git.mamahaha.work/sangge/tpre:base bash
+
 
 110.41.155.96 tpre1  
 110.41.130.197 tpre2  
diff --git a/src/client.ini b/src/client.ini
index 23e21d2..cd80a83 100644
--- a/src/client.ini
+++ b/src/client.ini
@@ -1,3 +1,3 @@
 [settings]
-server_address = 10.20.14.232:8000
+server_address = 110.41.155.96:8000
 version = 1.0
diff --git a/src/client.py b/src/client.py
index 915f182..f3e757c 100644
--- a/src/client.py
+++ b/src/client.py
@@ -326,15 +326,15 @@ async def recieve_request(i_m: IP_Message):
 
 
 def get_own_ip() -> str:
-    hostname = socket.gethostname()
-    ip = socket.gethostbyname(hostname)
+    
+    ip = os.environ.get("HOST_IP", "IP not set")
     return ip
 
 
 # get node list from central server
 def get_node_list(count: int, server_addr: str):
     url = "http://" + server_addr + "/server/send_nodes_list?count=" + str(count)
-    response = requests.get(url)
+    response = requests.get(url,timeout=3)
     # Checking the response
     if response.status_code == 200:
         print("Success get node list")
diff --git a/src/node.py b/src/node.py
index 4ee9231..d77460e 100644
--- a/src/node.py
+++ b/src/node.py
@@ -108,4 +108,4 @@ async def send_user_des_message(source_ip: str, dest_ip: str, re_message):  # 
 if __name__ == "__main__":
     import uvicorn  # pylint: disable=e0401
 
-    uvicorn.run("node:app", host="0.0.0.0", port=8001, reload=True)
+    uvicorn.run("node:app", host="0.0.0.0", port=8001, reload=False)
diff --git a/src/server.py b/src/server.py
index 7e37db5..6060f17 100644
--- a/src/server.py
+++ b/src/server.py
@@ -112,8 +112,8 @@ async def receive_heartbeat_internal():
     while 1:
         timeout = 7
         # 删除超时的节点
-        # cursor.execute("DELETE FROM nodes WHERE last_heartbeat < ?", (time.time() - timeout,))
-        # conn.commit()
+        cursor.execute("DELETE FROM nodes WHERE last_heartbeat < ?", (time.time() - timeout,))
+        conn.commit()
         await asyncio.sleep(timeout)