diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index 03e04274ed..f286c33d54 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -967,6 +967,7 @@ DEFINE_Bool(enable_debug_points, "false");
 
 DEFINE_Int32(pipeline_executor_size, "0");
 DEFINE_Bool(enable_workload_group_for_scan, "false");
+DEFINE_mInt64(workload_group_scan_task_wait_timeout_ms, "10000");
 // 128 MB
 DEFINE_mInt64(local_exchange_buffer_mem_limit, "134217728");
 
diff --git a/be/src/common/config.h b/be/src/common/config.h
index c24af54fa6..4054b315aa 100644
--- a/be/src/common/config.h
+++ b/be/src/common/config.h
@@ -1021,6 +1021,7 @@ DECLARE_Bool(enable_debug_points);
 
 DECLARE_Int32(pipeline_executor_size);
 DECLARE_Bool(enable_workload_group_for_scan);
+DECLARE_mInt64(workload_group_scan_task_wait_timeout_ms);
 
 // Temp config. True to use optimization for bitmap_index apply predicate except leaf node of the and node.
 // Will remove after fully test.
diff --git a/be/src/vec/exec/scan/scan_task_queue.cpp b/be/src/vec/exec/scan/scan_task_queue.cpp
index 89235b6b7a..edf3f6f767 100644
--- a/be/src/vec/exec/scan/scan_task_queue.cpp
+++ b/be/src/vec/exec/scan/scan_task_queue.cpp
@@ -70,11 +70,14 @@ bool ScanTaskTaskGroupQueue::take(ScanTask* scan_task) {
             return false;
         }
         if (_group_entities.empty()) {
-            _wait_task.wait_for(lock, std::chrono::milliseconds(WAIT_CORE_TASK_TIMEOUT_MS * 5));
+            _wait_task.wait_for(lock, std::chrono::milliseconds(
+                                              config::workload_group_scan_task_wait_timeout_ms));
         } else {
             entity = _next_tg_entity();
             if (!entity) {
-                _wait_task.wait_for(lock, std::chrono::milliseconds(WAIT_CORE_TASK_TIMEOUT_MS));
+                _wait_task.wait_for(lock,
+                                    std::chrono::milliseconds(
+                                            config::workload_group_scan_task_wait_timeout_ms));
             }
         }
     }
@@ -82,7 +85,8 @@ bool ScanTaskTaskGroupQueue::take(ScanTask* scan_task) {
     if (entity->task_size() == 1) {
         _dequeue_task_group(entity);
     }
-    return entity->task_queue()->try_get(scan_task, WAIT_CORE_TASK_TIMEOUT_MS /* timeout_ms */);
+    return entity->task_queue()->try_get(
+            scan_task, config::workload_group_scan_task_wait_timeout_ms /* timeout_ms */);
 }
 
 bool ScanTaskTaskGroupQueue::push_back(ScanTask scan_task) {
diff --git a/be/src/vec/exec/scan/scan_task_queue.h b/be/src/vec/exec/scan/scan_task_queue.h
index aeda9a4adc..6ee339c785 100644
--- a/be/src/vec/exec/scan/scan_task_queue.h
+++ b/be/src/vec/exec/scan/scan_task_queue.h
@@ -28,7 +28,6 @@ class ScannerContext;
 namespace taskgroup {
 
 using WorkFunction = std::function<void()>;
-static constexpr auto WAIT_CORE_TASK_TIMEOUT_MS = 100;
 
 // Like PriorityThreadPool::Task
 struct ScanTask {