修改仿真数据校验bug

src/main/java/club/joylink/rtss/simulation/cbtc/build/InterlockBuilder2.java

@@ -1217,6 +1217,7 @@ public class InterlockBuilder2 {
         if (!CollectionUtils.isEmpty(logicCodeList)) {
             for (String code : logicCodeList) {
                 Section logic = ((Section) elementMap.get(code));
+                if (logic == null)
                     errMsgList.add(String.format("编码为[%s]的区段不存在", code));
                 logicList.add(logic);
             }