...

src/main/java/cn/com/qmth/examcloud/question/core/paper/DefaultQuestionStructureWrapper.java

@@ -11,6 +11,8 @@ import java.util.List;
  */
 public class DefaultQuestionStructureWrapper implements QuestionStructureWrapper {
 
+	private static final long serialVersionUID = 8423916951155451548L;
+
 	/**
 	 * 题ID
 	 */

src/main/java/cn/com/qmth/examcloud/question/core/paper/QuestionStructureWrapper.java

@@ -1,5 +1,6 @@
 package cn.com.qmth.examcloud.question.core.paper;
 
+import java.io.Serializable;
 import java.util.List;
 
 /**
@@ -9,7 +10,7 @@ import java.util.List;
  * @date 2018年8月15日
  * @Copyright (c) 2018-? http://qmth.com.cn All Rights Reserved.
  */
-public interface QuestionStructureWrapper {
+public interface QuestionStructureWrapper extends Serializable {
 
 	/**
 	 * 获取题ID