diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/SchemaEngine.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/SchemaEngine.java
index 76958eaf1d23..4f73a8707c17 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/SchemaEngine.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/SchemaEngine.java
@@ -388,31 +388,28 @@ public Map<Integer, Long> countTimeSeriesNumBySchemaRegion(final List<Integer> s
                     && SchemaRegionConsensusImpl.getInstance().isLeader(entry.getKey()))
         .forEach(
             entry ->
-                timeSeriesNum.put(
-                    entry.getKey().getId(),
-                    entry.getValue().getSchemaRegionStatistics().getSeriesNumber(false)
-                        + entry
-                            .getValue()
-                            .getSchemaRegionStatistics()
-                            .getTable2DevicesNumMap()
-                            .entrySet()
-                            .stream()
-                            .map(
-                                tableEntry -> {
-                                  final TsTable table =
-                                      DataNodeTableCache.getInstance()
-                                          .getTable(
-                                              PathUtils.unQualifyDatabaseName(
-                                                  entry.getValue().getDatabaseFullPath()),
-                                              tableEntry.getKey());
-                                  return Objects.nonNull(table)
-                                      ? table.getMeasurementNum() * tableEntry.getValue()
-                                      : 0;
-                                })
-                            .reduce(0L, Long::sum)));
+                timeSeriesNum.put(entry.getKey().getId(), getTimeSeriesNumber(entry.getValue())));
     return timeSeriesNum;
   }
 
+  // not including view number
+  private long getTimeSeriesNumber(ISchemaRegion schemaRegion) {
+    return schemaRegion.getSchemaRegionStatistics().getSeriesNumber(false)
+        + schemaRegion.getSchemaRegionStatistics().getTable2DevicesNumMap().entrySet().stream()
+            .map(
+                tableEntry -> {
+                  final TsTable table =
+                      DataNodeTableCache.getInstance()
+                          .getTable(
+                              PathUtils.unQualifyDatabaseName(schemaRegion.getDatabaseFullPath()),
+                              tableEntry.getKey());
+                  return Objects.nonNull(table)
+                      ? table.getMeasurementNum() * tableEntry.getValue()
+                      : 0;
+                })
+            .reduce(0L, Long::sum);
+  }
+
   /**
    * Update total count in schema quota manager and generate local count map response. If limit is
    * not -1 and deviceNumMap/timeSeriesNumMap is null, fill deviceNumMap/timeSeriesNumMap of the
@@ -459,9 +456,7 @@ public void updateAndFillSchemaCountMap(TDataNodeHeartbeatReq req, TDataNodeHear
                   tmp.put(
                       consensusGroupId.getId(),
                       Optional.ofNullable(schemaRegionMap.get(consensusGroupId))
-                          .map(
-                              schemaRegion ->
-                                  schemaRegion.getSchemaRegionStatistics().getSeriesNumber(false))
+                          .map(this::getTimeSeriesNumber)
                           .orElse(0L)));
     }
   }