dos

Public/static/js/common.js

@@ -56,7 +56,7 @@ preloadimages(preloadImageList, function () {
     
 });
 
-// $('input[name=username]').attr('placeholder','点击输入您的名字');
+$('input[name=customize]').attr('placeholder','输入自定义文字（仅限四个字）').attr('maxlength','4');
 $('.canvas-block').html('<canvas id="myCanvas" width="'+ 330 +'" height="'+ 330 +'"></canvas>');
 
 $('.page1').show();