diff --git a/designer-base/src/main/java/com/fr/env/RemoteWorkspaceURL.java b/designer-base/src/main/java/com/fr/env/RemoteWorkspaceURL.java
index 15e1674b11..0583d3cfc3 100644
--- a/designer-base/src/main/java/com/fr/env/RemoteWorkspaceURL.java
+++ b/designer-base/src/main/java/com/fr/env/RemoteWorkspaceURL.java
@@ -4,11 +4,9 @@ import com.fr.log.FineLoggerFactory;
 import com.fr.stable.AssistUtils;
 import com.fr.stable.FCloneable;
 import com.fr.stable.StringUtils;
-
-import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URL;
+
 
 /**
  * @author yaohwu