dos

Public/static/js/common.js

@@ -48,7 +48,7 @@ $('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('.upload-canvas-block', 'uploadCanvas', 257, 257),
+let canvasinfo = initCanvas('.block', 'uploadCanvas', 257, 257),
     uploadCanvas = canvasinfo[0],
     uploadCtx = canvasinfo[1];