diff --git a/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AlterTableClauseVisitor.java b/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AlterTableClauseVisitor.java
index c2d54655b9e5a..4ac4ad33fc6f9 100644
--- a/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AlterTableClauseVisitor.java
+++ b/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AlterTableClauseVisitor.java
@@ -352,6 +352,11 @@ public Void visitOptimizeClause(OptimizeClause clause, ConnectContext context) {
             ErrorReport.reportSemanticException(ErrorCode.ERR_COMMON_ERROR, "Optimize materialized view is not supported");
         }
 
+        if (olapTable.getAutomaticBucketSize() > 0) {
+            ErrorReport.reportSemanticException(ErrorCode.ERR_COMMON_ERROR,
+                    "Random distribution table already supports automatic scaling and does not require optimization");
+        }
+
         List<Integer> sortKeyIdxes = Lists.newArrayList();
         List<ColumnDef> columnDefs = olapTable.getColumns().stream().map(Column::toColumnDef).collect(Collectors.toList());
         if (clause.getSortKeys() != null) {
diff --git a/test/sql/test_optimize_table/R/test_optimize_table b/test/sql/test_optimize_table/R/test_optimize_table
index c89f593cdf951..b8d1d5edbc1c5 100644
--- a/test/sql/test_optimize_table/R/test_optimize_table
+++ b/test/sql/test_optimize_table/R/test_optimize_table
@@ -72,6 +72,15 @@ function: wait_optimize_table_finish()
 None
 -- !result
 
+-- name: test_disable_random
+create table t(k int);
+-- result:
+-- !result
+alter table t distributed by random buckets 10;
+-- result:
+E: (5064, 'Getting analyzing error. Detail message: Random distribution table already supports automatic scaling and does not require optimization.')
+-- !result
+
 
 
 
diff --git a/test/sql/test_optimize_table/T/test_optimize_table b/test/sql/test_optimize_table/T/test_optimize_table
index c11c2ba69eb9d..ef64db5d54009 100644
--- a/test/sql/test_optimize_table/T/test_optimize_table
+++ b/test/sql/test_optimize_table/T/test_optimize_table
@@ -1,3 +1,7 @@
+-- name: test_disable_random
+create table t(k int);
+alter table t distributed by random buckets 10;
+
 -- name: test_optimize_table
 create table t(k int) distributed by hash(k) buckets 10;
 show partitions from t;