diff --git a/src/GraphCtrl/GraphElement/GAdapter/GFence/GFence.h b/src/GraphCtrl/GraphElement/GAdapter/GFence/GFence.h
index 4f3e21c7..adec5486 100644
--- a/src/GraphCtrl/GraphElement/GAdapter/GFence/GFence.h
+++ b/src/GraphCtrl/GraphElement/GAdapter/GFence/GFence.h
@@ -21,7 +21,7 @@ class GFence : public GAdapter {
      * 添加需要等待的element（必须是异步的）
      * @param element
      * @return
-     * @notice 对外仅可以
+     * @notice 对外仅可以添加异步节点（设置了timeout的节点）
      */
     GFence* waitGElement(GElementPtr element);
 
@@ -29,6 +29,7 @@ class GFence : public GAdapter {
      * 添加需要等待的一组element
      * @param elements
      * @return
+     * @notice 对外仅可以添加异步节点（设置了timeout的节点）
      */
     GFence* waitGElements(const std::set<GElementPtr>& elements);
 
diff --git a/src/GraphCtrl/GraphElement/GGroup/GRegion/GRegion.cpp b/src/GraphCtrl/GraphElement/GGroup/GRegion/GRegion.cpp
index 7556ee3c..5b2613a7 100644
--- a/src/GraphCtrl/GraphElement/GGroup/GRegion/GRegion.cpp
+++ b/src/GraphCtrl/GraphElement/GGroup/GRegion/GRegion.cpp
@@ -38,6 +38,7 @@ CStatus GRegion::init() {
     this->manager_->setScheduleStrategy(CGRAPH_POOL_TASK_STRATEGY);
 
     is_init_ = true;
+    trigger_times_ = 0;
     CGRAPH_FUNCTION_END
 }
 
@@ -48,6 +49,7 @@ CStatus GRegion::destroy() {
     CGRAPH_FUNCTION_CHECK_STATUS
 
     is_init_ = false;
+    trigger_times_ = 0;
     CGRAPH_FUNCTION_END
 }