diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/preview/PreviewTablePane.java b/designer-base/src/main/java/com/fr/design/data/datapane/preview/PreviewTablePane.java
index 5926dcb2d..c9708087b 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/preview/PreviewTablePane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/preview/PreviewTablePane.java
@@ -222,7 +222,11 @@ public class PreviewTablePane extends BasicPane {
         return this.worker;
     }
 
-    // elake:为预览表的columnIndex列着c色.
+    /**
+     * elake:为预览表的columnIndex列着色.
+     * @param columnIndex
+     * @param c
+     */
     private void setPreviewTableColumnColor(final int columnIndex, final Color c) {
         addLoadedListener(new LoadedEventListener() {
             @Override