Share to social media with the share.js plugin
1.For the tutorial, seeovertrue
2.Image caching problems when sharing to Facebook
- Clear the cache:
https://developers.facebook.com/tools/debug/ 
3.After clicking debug:
4.Try clearing it several times. If that does not work, specify the image directly.
<head>
<meta property="og:title" content="梦遥奇缘" />
<meta property="og:description" content="梦遥奇缘 " />
<meta property="og:url" content="http://idiot6.com" />
<meta property="og:image" content="//source.shengxuezixun.com/images%2Flogo.png"/>
<meta property="og:type" content="website" />
</head>
5.Return to the page you want to share and click Share. It should now use the specified image.
ps: Usingshare.jsissues
1.If you cannot specify social sharing services on iOS, check whether you are using the jQuery version. The native JavaScript version only displays your specified sharing services on Android. 2.References: + dotblog + facebook_tools
