diff --git a/src/com/engine/salary/util/page/PageInfo.java b/src/com/engine/salary/util/page/PageInfo.java
index b6b226a16..4bf022f2f 100644
--- a/src/com/engine/salary/util/page/PageInfo.java
+++ b/src/com/engine/salary/util/page/PageInfo.java
@@ -13,9 +13,9 @@ import java.util.List;
 public class PageInfo<T> extends com.github.pagehelper.PageInfo<T> {
     Class<T> clazz;
 
-//    public void setColumns(List<Column> columns) {
-//        this.columns = columns;
-//    }
+    public void setColumns(List<Column> columns) {
+        this.columns.addAll(columns);
+    }
 
     List<Column> columns = new ArrayList<>();
     List<DataSource> dataSource = new ArrayList<>();
@@ -39,7 +39,7 @@ public class PageInfo<T> extends com.github.pagehelper.PageInfo<T> {
 
     public List<Column> getColumns() {
         if(clazz==null){
-            return new ArrayList<>();
+            return this.columns;
         }
         Field[] fields = clazz.getDeclaredFields();
         for (Field f : fields) {