diff --git a/MCPForUnity/Editor/Services/Transport/Transports/WebSocketTransportClient.cs b/MCPForUnity/Editor/Services/Transport/Transports/WebSocketTransportClient.cs
index 51cd17d..704bd93 100644
--- a/MCPForUnity/Editor/Services/Transport/Transports/WebSocketTransportClient.cs
+++ b/MCPForUnity/Editor/Services/Transport/Transports/WebSocketTransportClient.cs
@@ -703,11 +703,6 @@ namespace MCPForUnity.Editor.Services.Transport.Transports
 
         private static Uri BuildWebSocketUri(string baseUrl)
         {
-            if (string.IsNullOrWhiteSpace(baseUrl))
-            {
-                baseUrl = "http://localhost:8080";
-            }
-
             if (!Uri.TryCreate(baseUrl, UriKind.Absolute, out var httpUri))
             {
                 throw new InvalidOperationException($"Invalid MCP base URL: {baseUrl}");
diff --git a/MCPForUnity/Editor/Windows/Components/Connection/McpConnectionSection.uxml b/MCPForUnity/Editor/Windows/Components/Connection/McpConnectionSection.uxml
index 14e3bab..b33ad8e 100644
--- a/MCPForUnity/Editor/Windows/Components/Connection/McpConnectionSection.uxml
+++ b/MCPForUnity/Editor/Windows/Components/Connection/McpConnectionSection.uxml
@@ -9,7 +9,7 @@
             </ui:VisualElement>
             <ui:VisualElement class="setting-row" name="http-url-row">
                 <ui:Label text="HTTP URL:" class="setting-label" />
-                <ui:TextField name="http-url" class="url-field" placeholder-text="http://localhost:8080" />
+                <ui:TextField name="http-url" class="url-field" />
             </ui:VisualElement>
             <ui:VisualElement name="http-server-command-section" class="manual-config-content">
                 <ui:Label text="Use this command to launch the server manually:" class="config-label" />