diff --git a/target_client.py b/target_client.py
index 3be5800..aa10c0b 100644
--- a/target_client.py
+++ b/target_client.py
@@ -95,6 +95,7 @@ def remote_client_handler(tcp_remote:socket):
       break
   tcp_remote.close()
   print("proxy close")
+  close_all()
   if _local_server is not None:
     _local_server.close()
 
@@ -128,7 +129,10 @@ def local_client_handler(tcp_server:socket,addr):
   if(_remote_client is not None):
     cmd={'device':'client','option':'disconnect','ip':addr[0],'port':addr[1]}
     data=pc.encode(json.dumps(cmd).encode('utf-8'),b'default')
-    _remote_client.send(data)
+    try:
+      _remote_client.send(data)
+    except Exception as e:
+      print("remote close",str(e))
   _local_client.remove(addr_info)
 
 
diff --git a/target_server.py b/target_server.py
index 9015d0f..f6c57bb 100644
--- a/target_server.py
+++ b/target_server.py
@@ -131,7 +131,7 @@ def remote_client_handler(tcp_client_1:socket):
       break
   tcp_client_1.close()
   print("proxy close.")
-
+  close_all()
 
 
 def main():