diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
index 247df0e2d6..9d5af19e0e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
@@ -1719,7 +1719,7 @@ public class LogicalPlanBuilder extends DorisParserBaseVisitor<Object> {
         Expression end = (Expression) visit(ctx.end);
         Expression step = (Expression) visit(ctx.unitsAmount);
 
-        String unit = ctx.unit.getText();
+        String unit = ctx.unit == null ? null : ctx.unit.getText();
         if (unit != null && !unit.isEmpty()) {
             if ("Year".equalsIgnoreCase(unit)) {
                 return new ArrayRangeYearUnit(start, end, step);