diff --git a/app/admin/apis/migumanage/migu_admin.go b/app/admin/apis/migumanage/migu_admin.go
index 13260ba..1788aa1 100644
--- a/app/admin/apis/migumanage/migu_admin.go
+++ b/app/admin/apis/migumanage/migu_admin.go
@@ -1577,7 +1577,7 @@ func (e MiGuDeployService) UserDayRetentionList(c *gin.Context) {
 	var dateList []string
 	if req.OnlyFirstDay {
 		// 每月1号
-		for date := nextMonth; !date.After(time.Now()); date = date.AddDate(1, 0, 0) {
+		for date := nextMonth; !date.After(time.Now()); date = date.AddDate(0, 1, 0) {
 			dateList = append(dateList, date.Format("2006-01-02"))
 		}
 	} else {