手机打开html5base64闪退,Bitmap.loadBase64Data卡死，app闪退

var Img = new Image();

Img.src = sd_path;

console.log("1=================================");

Img.onload() = function() {

console.log("2=================================");

var myCanvas = document.createElement("canvas");

myCanvas.width = Img.width;

myCanvas.height = Img.height;

var ctx = myCanvas.getContext("2d");

ctx.drawImage(Img, 0, 0);

ctx.font = "80px microsoft yahei";

ctx.fillStyle = "rgba(255,0,0,1)";

ctx.fillText("拍照时间:" + getNowFormatDate(), 0, Img.height - 100, myCanvas.width - 10);

console.log("3=================================");

data = myCanvas.toDataURL();

//TODO bitmap 修改图片 start

var bitmap = new plus.nativeObj.Bitmap();

console.log("4=================================");

bitmap.loadBase64Data(data, function() {

console.log("加载图片成功");

}, function() {

console.log("加载图片失败");

});

bitmap.save(sd_path, {

overwrite: true,

format: "jpg",

}, function(i) {

var result = JSON.stringify(i);

var data = JSON.parse(result);

var target = data.target;

console.log('保存图片成功：' + result);

//start

var imageDiv = document.createElement("div");

imageDiv.className = "media-item image-item mui-col-"

imageDiv.innerHTML = '' +

'' +

'';

imageList.appendChild(imageDiv);

console.log("加入图片列表的地址:" + target);

//在这里获取到图片的路径

photoPath = target;

bitmap.clear();

//end

}, function(e) {

console.log('保存图片失败：' + JSON.stringify(e));

});

//TODO bitmap 修改图片 end

}*/