diff --git a/README.md b/README.md
index 0738924..89dd065 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,9 @@ Easy-Reactor是一个基于Reactor模式的Linux C++网络服务器框架，支
 
 [1]: https://github.com/LeechanX/Easy-Load-Balancer
 
+#### 类关系图
+![image](https://github.com/woaishixiaoxiao/Easy-Reactor/blob/master/reator%E7%B1%BB%E5%9B%BE%E5%88%86%E6%9E%90.png)
+
 #### 性能一览
 
 >服务器参数：
diff --git "a/reator\347\261\273\345\233\276\345\210\206\346\236\220.png" "b/reator\347\261\273\345\233\276\345\210\206\346\236\220.png"
new file mode 100644
index 0000000..3cbe99a
Binary files /dev/null and "b/reator\347\261\273\345\233\276\345\210\206\346\236\220.png" differ
diff --git a/src/timer_queue.cc b/src/timer_queue.cc
index 57b533a..44d7cba 100644
--- a/src/timer_queue.cc
+++ b/src/timer_queue.cc
@@ -45,7 +45,7 @@ void timer_queue::del_timer(int timer_id)
         _pioneer = -1;
         reset_timo();
     }
-    else if (_event_lst[0].ts < _pioneer)
+    else if (_event_lst[0].ts > _pioneer)
     {
         _pioneer = _event_lst[0].ts;
         reset_timo();