diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/page/PageDomain.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/page/PageDomain.java
index e6dd98e..23f1f8b 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/page/PageDomain.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/page/PageDomain.java
@@ -18,8 +18,8 @@ public class PageDomain
     /** 排序列 */
     private String orderByColumn;
 
-    /** 排序的方向 "desc" 或者 "asc". */
-    private String isAsc;
+    /** 排序的方向desc或者asc */
+    private String isAsc = "asc";
 
     public String getOrderBy()
     {