Update stats.js

plugins/webstats/js/stats.js

@@ -74,6 +74,7 @@ function wsPostCallbak(method, version, args,callback){
 function toSecond(val){
     if (val>=1000){
         val = (val / 1000).toFixed()+"s";
+        return val;
     } 
     return val + "ms";
 }