dos

Public/static/js/common.js

@@ -51,15 +51,15 @@ $('input[name=name]').attr('placeholder', '姓名');
 $('input[name=business]').attr('placeholder', '业务号');
 $('.page1 .num').html('已有 <span class="numbig">' + window.num + '</span> 人发起承诺');
 //上传canvas定义
-let canvasinfo = initCanvas('.block', 'uploadCanvas', 257, 257),
+let canvasinfo = initCanvas('.black', 'uploadCanvas', 257, 257),
     uploadCanvas = canvasinfo[0],
     uploadCtx = canvasinfo[1];
 
 let imgInfo = {};
-var blackUrl, black;
+let blackUrl, black;
 
 
-blackUrl = $('.block').css('background-image').replace(/^url\((['"]?)(.*)\1\)$/, '$2');
+blackUrl = $('.black').css('background-image').replace(/^url\((['"]?)(.*)\1\)$/, '$2');
 preloadimages(preloadImageList, function () {}, function (progress) {});
 
 $(document).ready(function () {