优化

main.go

@@ -23,6 +23,7 @@ func fetch(u string, fn ...func(s string) string) string {
 	if err != nil {
 		return ""
 	}
+	defer res.Body.Close()
 	html := string(s)
 	for _, f := range fn {
 		html = f(html)
@@ -30,12 +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
 	}
@@ -47,7 +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)
 	})
 }