升级新版本

yzg-util-base/src/main/java/com/yanzuoguang/util/vo/DataDaoVo.java

@@ -30,6 +30,9 @@ public class DataDaoVo<T> {
         // 历史数据处理
         if (hisitories != null) {
             for (T his : hisitories) {
+                if (his == null) {
+                    continue;
+                }
                 String key = keyFunc.getKey(his);
                 mapHistory.put(key, his);
             }
@@ -49,6 +52,9 @@ public class DataDaoVo<T> {
         // 返回集
         if (nows != null) {
             for (T now : nows) {
+                if (now == null) {
+                    continue;
+                }
                 String key = keyFunc.getKey(now);
                 T his = mapHistory.get(key);
                 if (his == null) {