diff --git a/designer-realize/src/main/java/com/fr/start/module/DesignerWorkspaceActivator.java b/designer-realize/src/main/java/com/fr/start/module/DesignerWorkspaceActivator.java
index 24d9189518..858eca4977 100644
--- a/designer-realize/src/main/java/com/fr/start/module/DesignerWorkspaceActivator.java
+++ b/designer-realize/src/main/java/com/fr/start/module/DesignerWorkspaceActivator.java
@@ -53,6 +53,7 @@ public class DesignerWorkspaceActivator extends Activator {
             public void on(Event event, Workspace workspace) {
                 PluginClassRefreshManager.getInstance().removePluginListener();
                 HistoryTemplateListCache.getInstance().stash();
+                PluginClassRefreshManager.getInstance().fireTabChange();
             }
         });