diff --git a/main.go b/main.go
index 96442f1..3bb4373 100644
--- a/main.go
+++ b/main.go
@@ -31,12 +31,12 @@ func fetch(u string, fn ...func(s string) string) string {
 	return html
 }
 
-func dayLimit(today, forwardDay int, s string) string {
+func dayLimit(today, forwardDay int, s, format string) string {
 	da := date.FindStringSubmatch(s)
 	if len(da) <= 1 {
 		return s
 	}
-	t, err := time.Parse(time.RFC1123Z, da[1])
+	t, err := time.Parse(format, da[1])
 	if err != nil {
 		return s
 	}
@@ -48,7 +48,7 @@ func dayLimit(today, forwardDay int, s string) string {
 
 func filterItem(html string, today, recentDay int) string {
 	return zhihuReg.ReplaceAllStringFunc(html, func(s string) string {
-		return dayLimit(today, recentDay, s)
+		return dayLimit(today, recentDay, s, time.RFC1123Z)
 	})
 }