diff --git a/repos/dde_uos-intel-gpgpu/src/virt/strategies/util/wf_queue.h b/repos/dde_uos-intel-gpgpu/src/virt/strategies/util/wf_queue.h
index bb46b4e5e2..782e6fa918 100644
--- a/repos/dde_uos-intel-gpgpu/src/virt/strategies/util/wf_queue.h
+++ b/repos/dde_uos-intel-gpgpu/src/virt/strategies/util/wf_queue.h
@@ -63,7 +63,7 @@ namespace gpgpu_virt::util {
          * @return true 
          * @return false 
          */
-        inline bool empty() const { return tail->next == nullptr; }
+        inline bool empty() const { return tail == &stub && tail->next == nullptr; }
     };
 
     inline void WFQueue::enqueue(Chain* item)