修复数据备份还原的问题。

modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/common/BeanRelation.java

@@ -40,6 +40,12 @@ public class BeanRelation {
         return relation;
     }
 
+    public static void clear() {
+        for (Map.Entry<Class<? extends BaseBean>, Map<Long, Map<Enum<?>, List<BaseBean>>>> entry : get().caches.entrySet()) {
+            entry.getValue().clear();
+        }
+    }
+
     private static Map<Enum<?>, List<BaseBean>> createRelation(Class<? extends BaseBean> cls) {
         Map<Enum<?>, List<BaseBean>> result = new HashMap<>();
         BeanInfo beanInfo = BeanInfo.getBeanInfo(cls);