实现attach方法

src/main/java/com/fr/plugin/showtype/NewPreviewTypeProvider.java

@@ -2,6 +2,7 @@ package com.fr.plugin.showtype;
 
 import com.fr.decision.authority.base.constant.type.show.ShowType;
 import com.fr.decision.fun.impl.AbstractShowTypeProvider;
+import com.fr.decision.web.DirectoryComponent;
 import com.fr.web.struct.Atom;
 
 /**
@@ -21,6 +22,11 @@ public class NewPreviewTypeProvider extends AbstractShowTypeProvider {
         return NewPreviewType.KEY;
     }
 
+    @Override
+    public Atom attach() {
+        return DirectoryComponent.KEY;
+    }
+
     @Override
     public Atom client() {
         return NewPreviewComponent.KEY;