diff --git a/test/tcp/FixTcp.ServerAccept.cs b/test/tcp/FixTcp.ServerAccept.cs
index 280e1e5..71c1280 100644
--- a/test/tcp/FixTcp.ServerAccept.cs
+++ b/test/tcp/FixTcp.ServerAccept.cs
@@ -29,7 +29,7 @@ async Task Client(Host host)
 
             client.To.Data(Guid.NewGuid().ToString());
 
-            Thread.Sleep(millisecondsTimeout: 10);
+            Thread.Sleep(millisecondsTimeout: 250);
             {
                 Assert.True(client.IsOpened);
                 Assert.True(isModify);
@@ -66,7 +66,7 @@ async void Server()
 
             await server.To.Open(host);
 
-            Thread.Sleep(millisecondsTimeout: 10);
+            Thread.Sleep(millisecondsTimeout: 1000);
             {
                 Assert.True(server.IsOpened);
                 Assert.True(isModify);
@@ -82,9 +82,9 @@ async void Server()
                 await Client(server.Host);
             }
 
-            Thread.Sleep(10);
+            Thread.Sleep(5000);
 
             Assert.Equal(maxConnection, server.Clients.Length);
         }
     }
-}
\ No newline at end of file
+}