dos

Public/static/js/common.js

@@ -77,7 +77,7 @@ preloadimages(preloadImageList, function () {
     $('input[name=job-number]').attr('placeholder', '请输入工号').attr('type', 'tel');
     // blackUrl = $('.black').css('background-image').replace(/^url\((['"]?)(.*)\1\)$/, '$2');
     // $('.black').css('background-image', 'none');
-    let canvasinfo = initCanvas('.upload-canvas-block', 'uploadCanvas', 640, 1238);
+    let canvasinfo = initCanvas('.upload-canvas-block', 'uploadCanvas', 640 * 2, canvasHeight * 2);
     uploadCanvas = canvasinfo[0];
     uploadCtx = canvasinfo[1];