fix load file

server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileResource.java

@@ -96,7 +96,7 @@ public class TsFileResource {
   // This field helps us compare the files that are generated by different IoTDBs that share the
   // same file generation policy but have their own merge policies.
   // https://issues.apache.org/jira/browse/IOTDB-702 for improve this field.
-  private Set<Long> historicalVersions;
+  private Set<Long> historicalVersions = new HashSet<>();
 
   private TsFileLock tsFileLock = new TsFileLock();
 

server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java

@@ -697,6 +697,10 @@ public class PlanExecutor implements IPlanExecutor {
       return;
     }
     TsFileResource tsFileResource = new TsFileResource(file);
+    long fileVersion =
+        Long.parseLong(
+            tsFileResource.getTsFile().getName().split(IoTDBConstant.FILE_NAME_SEPARATOR)[1]);
+    tsFileResource.setHistoricalVersions(Collections.singleton(fileVersion));
     tsFileResource.setClosed(true);
     try {
       // check file