diff --git a/agent/eventlog_windows.go b/agent/eventlog_windows.go
index 3ef55d8..c449ba3 100644
--- a/agent/eventlog_windows.go
+++ b/agent/eventlog_windows.go
@@ -22,7 +22,7 @@ type EventLogMsg struct {
 	UID       int    `json:"uid"` // for vue
 }
 
-func (a *WindowsAgent) GetEventLog(logName string, searchLastDays int64) []EventLogMsg {
+func (a *WindowsAgent) GetEventLog(logName string, searchLastDays int) []EventLogMsg {
 	var (
 		oldestLog uint32
 		nextSize  uint32