diff --git a/designer-form/src/main/java/com/fr/design/preview/FormAdaptivePreview.java b/designer-form/src/main/java/com/fr/design/preview/FormAdaptivePreview.java
index 01bd0e126..b77d86620 100644
--- a/designer-form/src/main/java/com/fr/design/preview/FormAdaptivePreview.java
+++ b/designer-form/src/main/java/com/fr/design/preview/FormAdaptivePreview.java
@@ -4,17 +4,12 @@ import com.fr.design.file.HistoryTemplateListCache;
 import com.fr.design.fun.impl.AbstractPreviewProvider;
 import com.fr.design.mainframe.JForm;
 import com.fr.design.mainframe.JTemplate;
-import com.fr.general.web.ParameterConstants;
-
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * Created by kerry on 2020-04-23
  */
 public class FormAdaptivePreview extends AbstractPreviewProvider {
     private static final int PREVIEW_TYPE = 6;
-    public static final String PREVIEW_OP = "form_adaptive";
 
     @Override
     public String nameForPopupItem() {
@@ -36,14 +31,6 @@ public class FormAdaptivePreview extends AbstractPreviewProvider {
         return PREVIEW_TYPE;
     }
 
-
-    @Override
-    public Map<String, Object> parametersForPreview() {
-        Map<String, Object> map = new HashMap<String, Object>();
-        map.put(ParameterConstants.OP, PREVIEW_OP);
-        return map;
-    }
-
     @Override
     public boolean accept(JTemplate jTemplate) {
         if (jTemplate == null) {