diff --git a/designer-base/src/main/java/com/fr/design/upm/UpmBridge.java b/designer-base/src/main/java/com/fr/design/upm/UpmBridge.java
index b5d9d247c..92b8ea62f 100644
--- a/designer-base/src/main/java/com/fr/design/upm/UpmBridge.java
+++ b/designer-base/src/main/java/com/fr/design/upm/UpmBridge.java
@@ -81,7 +81,7 @@ public class UpmBridge {
         new SwingWorker<Void, Void>(){
             @Override
             protected Void doInBackground() throws Exception {
-                callback.invoke(window, Toolkit.i18nText("Fine-Design_Basic_Update_Plugin_Manager_Download_Start"));
+                callback.invoke(window, "start", Toolkit.i18nText("Fine-Design_Basic_Update_Plugin_Manager_Download_Start"));
                 UpmResourceLoader.INSTANCE.download();
                 UpmResourceLoader.INSTANCE.install();
                 return null;
@@ -94,6 +94,7 @@ public class UpmBridge {
                     callback.invoke(window, "success", Toolkit.i18nText("Fine-Design_Basic_Update_Plugin_Manager_Download_Success"));
                     EventDispatcher.fire(DownloadEvent.SUCCESS, "success");
                 } catch (Exception e) {
+                    e.printStackTrace();
                     callback.invoke(window, "error", Toolkit.i18nText("Fine-Design_Basic_Update_Plugin_Manager_Download_Error"));
                     FineLoggerFactory.getLogger().error(e.getMessage(), e);
                     EventDispatcher.fire(DownloadEvent.ERROR, "error");