diff --git a/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/operation/PlanOnlyStatement.scala b/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/operation/PlanOnlyStatement.scala
index b3b076f1288..0f90ce01028 100644
--- a/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/operation/PlanOnlyStatement.scala
+++ b/externals/kyuubi-flink-sql-engine/src/main/scala/org/apache/kyuubi/engine/flink/operation/PlanOnlyStatement.scala
@@ -67,12 +67,11 @@ class PlanOnlyStatement(
             statement)
           resultSet =
             ResultSetUtil.fromResultFetcher(resultFetcher, resultMaxRows, resultFetchTimeout);
-          shutdownTimeoutMonitor
         case _ =>
           explainOperation(statement)
-          shutdownTimeoutMonitor
       }
     } catch {
+      shutdownTimeoutMonitor
       onError()
     }
   }