fixes #1

funcs/go1.16.go

@@ -21,10 +21,10 @@ func headheader(f fs.File, c *gin.Context) (nocontent bool) {
 	}
 	c.Writer.Header().Set("Last-Modified", stats.ModTime().Format(time.RFC1123))
 	if t, err := time.Parse(time.RFC1123, c.GetHeader("If-Modified-Since")); stats.ModTime().After(t) && err == nil {
-		nocontent = true
-	}
-	if nocontent {
 		c.Status(http.StatusNotModified)
+		nocontent = true
+	} else {
+		c.Status(http.StatusOK)
 	}
 	return
 }