diff --git a/designer-form/src/main/java/com/fr/design/fit/JFormType.java b/designer-form/src/main/java/com/fr/design/fit/JFormType.java
index 7fe795c6f..f2d1c4ad9 100644
--- a/designer-form/src/main/java/com/fr/design/fit/JFormType.java
+++ b/designer-form/src/main/java/com/fr/design/fit/JFormType.java
@@ -69,12 +69,12 @@ public enum JFormType {
     };
     private int type;
     private boolean newType;
-    private PreviewProvider previewType;
+    private PreviewProvider defaultPreviewType;
 
-    JFormType(int type, PreviewProvider previewType) {
+    JFormType(int type, PreviewProvider defaultPreviewType) {
         this.type = type;
         this.newType = (type == 1);
-        this.previewType = previewType;
+        this.defaultPreviewType = defaultPreviewType;
     }
 
     public int getType() {
@@ -85,8 +85,8 @@ public enum JFormType {
         return newType;
     }
 
-    public PreviewProvider getPreviewType() {
-        return previewType;
+    public PreviewProvider getDefaultPreviewType() {
+        return defaultPreviewType;
     }
 
     public abstract void switchUI();
@@ -128,6 +128,14 @@ public enum JFormType {
      * @date: 2020/12/17 16:17
      */
     public void updatePreviewType(JTemplate jTemplate) {
-        jTemplate.setPreviewType(this.getPreviewType());
+        if (jTemplate.getPreviewType() != null) {
+            PreviewProvider[] previewProviders = jTemplate.supportPreview();
+            for (PreviewProvider previewProvider : previewProviders) {
+                if (previewProvider.getClass() == jTemplate.getPreviewType().getClass()) {
+                    return;
+                }
+            }
+        }
+        jTemplate.setPreviewType(this.getDefaultPreviewType());
     }
 }