diff --git a/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanValidation.java b/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanValidation.java
index f7e881e..1118e30 100644
--- a/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanValidation.java
+++ b/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanValidation.java
@@ -29,13 +29,13 @@ public class BeanValidation {
     private String pattern;
 
     // 验证长度
-    private int len;
+    private Integer len;
 
     // 验证最小长度
-    private int min;
+    private Integer min;
 
     // 验证最大长度
-    private int max;
+    private Integer max;
 
     // 内建的验证器
     private String validator;