去掉CSDN-markdown编辑器的上传图片里面的水印

![这里写图片描述](http://img.blog.csdn.net/20170115141115170
?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvc3RlcmVvaG9tb2xvZ3k=
/font/5a6L5L2T/fontsize/400
/fill/I0JBQkFCMA==/dissolve/70/gravity/NorthWest)

去掉?watermark后面的字母 就无水印了

(http://img.blog.csdn.net/20170115141115170)

参考
http://blog.csdn.net/stereohomology/article/details/54561782