api cache clean scroller

@@ -113,13 +113,19 @@
         layoutResize();
         
         var $logWrap = $('.yoho-log-dark');
+        var timer = 0;
 
         var ws = io();
         ws.on('connect', function() {
             ws.on('/api_cache/log', function(data) {
                 $('#api-cache-log').append('<p><span class="host">'+data.host+'</span><span class="message">'+data.msg+'</span></p>');
 
-                $logWrap.scrollTop($logWrap[0].scrollHeight);
+                if (timer == 0) {
+                    timer = setTimeout(function(){
+                        $logWrap.scrollTop($logWrap[0].scrollHeight);
+                        timer = 0;
+                    }, 1000);
+                }
             });
         });
         ws.on('error', function() {