diff --git a/src/core/impl/comp_node/cpu/comp_node.cpp b/src/core/impl/comp_node/cpu/comp_node.cpp
index c63d102d..fe2ff456 100644
--- a/src/core/impl/comp_node/cpu/comp_node.cpp
+++ b/src/core/impl/comp_node/cpu/comp_node.cpp
@@ -106,13 +106,11 @@ class CpuCompNode::SeqRecorderImpl final : public CompNodeSeqRecorder {
     std::vector<TaskElem> m_tasks;
     ThreadPool* m_thread_pool = nullptr;
     const CompNode m_record_compnode;
-
     /*!
      * \brief use to check the all ther recording tasks are its self CompNode
      * related task, void hook other CompNode related task to the recorder.
      */
     void check_the_same_comp_node(const CompNode& comp_node) const;
-
 public:
     SeqRecorderImpl(SeqRecorderImpl** self_pointer, ThreadPool* thread_pool,
                     const CompNode& comp_node)
diff --git a/src/core/include/megbrain/comp_node.h b/src/core/include/megbrain/comp_node.h
index 434bd12e..e2920f07 100644
--- a/src/core/include/megbrain/comp_node.h
+++ b/src/core/include/megbrain/comp_node.h
@@ -577,6 +577,7 @@ public:
     virtual void exit_fake_exec(const CompNode& comp_node) = 0;
 
     virtual void stop(const CompNode& comp_node) = 0;
+
     virtual void replay() = 0;
 };