diff --git a/doc/cn/eventqueue.md b/doc/cn/eventqueue.md
index e0350ff..344c385 100644
--- a/doc/cn/eventqueue.md
+++ b/doc/cn/eventqueue.md
@@ -92,10 +92,10 @@ EventQueue 可以拷贝、移动、赋值和移动赋值
 
 ```cpp
 template <typename ...A>
-void enqueue(A ...args);
+void enqueue(A && ...args);
 
 template <typename T, typename ...A>
-void enqueue(T && first, A ...args);
+void enqueue(T && first, A && ...args);
 ```
 
 将一个事件加入事件队列。事件的类型包含在传给 `enqueue` 函数的实参中。
diff --git a/doc/eventqueue.md b/doc/eventqueue.md
index b05c465..4d77e84 100644
--- a/doc/eventqueue.md
+++ b/doc/eventqueue.md
@@ -83,10 +83,10 @@ Note: the queued events are not copied, moved, assigned, or move assigned, only
 
 ```c++
 template <typename ...A>
-void enqueue(A ...args);
+void enqueue(A && ...args);
 
 template <typename T, typename ...A>
-void enqueue(T && first, A ...args);
+void enqueue(T && first, A && ...args);
 ```  
 Put an event into the event queue. The event type is deducted from the arguments of `enqueue`.  
 All copyable arguments are copied to internal data structure. All non-copyable but movable arguments are moved.