diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/preview/desensitization/TableDataPreviewDesensitizeManager.java b/designer-base/src/main/java/com/fr/design/data/datapane/preview/desensitization/TableDataPreviewDesensitizeManager.java
index ed5104fbc..3d3c59331 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/preview/desensitization/TableDataPreviewDesensitizeManager.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/preview/desensitization/TableDataPreviewDesensitizeManager.java
@@ -177,6 +177,12 @@ public class TableDataPreviewDesensitizeManager implements DesensitizationManage
         return departmentId + CONNECTOR + positionId;
     }
 
+    /**
+     * 根据列名，从PreviewTableModel中匹配列序号，如果返回-1代表未匹配到
+     * @param desensitizationItem
+     * @param previewModel
+     * @return
+     */
     public int matchColumnIndex(TableDataDesensitizationItem desensitizationItem, PreviewTableModel previewModel) {
         return previewModel.getColumnIndexWithExceptionIngore(desensitizationItem.getColumnName());
     }