diff --git a/HISTORY b/HISTORY
index a90f7fda2d450d60aa9012ba9e7a0e92ef87a5ae..295c7435aa6eefe840d9ad0e15c6a2ab32edbc4b 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,5 +1,5 @@
 
-Version 1.44  2020-09-29
+Version 1.44  2020-09-30
   * add test file src/tests/test_pthread_lock.c
   * add uniq_skiplist.[hc]
   * add function split_string_ex
diff --git a/src/ioevent_loop.c b/src/ioevent_loop.c
index aff8a3cc2e68c78c5009af6f2056b84eeaf3fd93..b8cdf2cd48df14ad624aca098194ac86ddc06679 100644
--- a/src/ioevent_loop.c
+++ b/src/ioevent_loop.c
@@ -18,7 +18,7 @@ static void deal_ioevents(IOEventPoller *ioevent)
         }
         else {
             logDebug("file: "__FILE__", line: %d, "
-                    "ignore iovent : %d, index: %d",
+                    "ignore ioevent : %d, index: %d",
                     __LINE__, event, ioevent->iterator.index);
         }
 	}
@@ -46,7 +46,7 @@ int ioevent_remove(IOEventPoller *ioevent, void *data)
         pEntry = (IOEventEntry *)IOEVENT_GET_DATA(ioevent, index);
         if (pEntry != NULL && pEntry->timer.data == data) {
             logDebug("file: "__FILE__", line: %d, "
-                    "clear iovent data: %p", __LINE__, data);
+                    "clear ioevent data: %p", __LINE__, data);
             IOEVENT_CLEAR_DATA(ioevent, index);
             return 0;
         }
diff --git a/src/ioevent_loop.h b/src/ioevent_loop.h
index 3f1a0a08627b56ff4702fd890c86055088c25d25..eb761af0026344aa87eb2305a1ad436c8ffd15bf 100644
--- a/src/ioevent_loop.h
+++ b/src/ioevent_loop.h
@@ -17,7 +17,7 @@ int ioevent_remove(IOEventPoller *ioevent, void *data);
 int ioevent_set(struct fast_task_info *pTask, struct nio_thread_data *pThread,
 	int sock, short event, IOEventCallback callback, const int timeout);
 
-static inline void iovent_add_to_deleted_list(struct fast_task_info *task)
+static inline void ioevent_add_to_deleted_list(struct fast_task_info *task)
 {
     if (task->thread_data == NULL)
     {
@@ -35,7 +35,7 @@ static inline void iovent_add_to_deleted_list(struct fast_task_info *task)
     task->thread_data->deleted_list = task;
 }
 
-static inline int iovent_notify_thread(struct nio_thread_data *thread_data)
+static inline int ioevent_notify_thread(struct nio_thread_data *thread_data)
 {
     int64_t n;
     int result;