修改bug

src/main/java/cn/quantgroup/xyqb/entity/UserQueryLog.java

@@ -33,7 +33,7 @@ public class UserQueryLog implements Serializable {
   @Column(name = "query_detail")
   private String queryDetail;
   @Column(name = "created_at")
-  private Date createdAt;
+  private Date createdAt=new Date();
 
   @Transient
   private String createDate;