diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/exam/entity/ExamTest.java b/servers/boe-server-all/src/main/java/com/xboe/module/exam/entity/ExamTest.java
index fc2cb528..70f7304e 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/exam/entity/ExamTest.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/exam/entity/ExamTest.java
@@ -192,5 +192,5 @@ public class ExamTest extends BaseEntity {
 
 
     @Column(name = "deleted")
-    private BigInteger deleted;
+    private Boolean deleted;
 }