Update README.md

ihtml5 · web-flow · commit 66fc14ad2ae2 · 2018-07-02T22:46:54.000+08:00
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 3. [WePY-&#23567;&#31243;&#24207;&#26694;&#26550;&#35774;&#35745;](https://zhuanlan.zhihu.com/p/29264211)
 4. [A simple (99% ES2015 less) tutorial for React](https://github.com/kay-is/react-from-zero)
 5. [&#22914;&#20309;&#25104;&#20026;&#19968;&#21517;&#25968;&#25454;&#21487;&#35270;&#21270;&#24037;&#31243;&#24072;](https://www.zhihu.com/question/49749071/answer/118840095)
+6. [&#25968;&#25454;&#32467;&#26500;&#32034;&#24341;](https://www.interviewcake.com/data-structures-reference)
+7. [&#31227;&#21160;&#31471;&#36328;&#24179;&#21488;&#24320;&#21457;&#30340;&#28145;&#24230;&#35299;&#26512;](https://juejin.im/post/5b395eb96fb9a00e556123ef)
+8. [&#20351;&#29992;Tree shaking &#20943;&#23569;JavaScript&#26377;&#25928;&#36127;&#36733;](https://developers.google.com/web/fundamentals/performance/optimizing-javascript/tree-shaking/)
 
 ### &#31532;&#21313;&#20845;&#21608;
 1. [&#29992;&#23548;&#33322;&#21644;&#36164;&#28304;&#26102;&#26426;&#35780;&#20272;&#29616;&#23454;&#29983;&#27963;&#20013;&#30340;&#21152;&#36733;&#24615;&#33021;](https://developers.google.com/web/fundamentals/performance/navigation-and-resource-timing/)

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 . [WePY-小程序框架设计](https://zhuanlan.zhihu.com/p/29264211)
 . [A simple (99% ES2015 less) tutorial for React](https://github.com/kay-is/react-from-zero)
 . [如何成为一名数据可视化工程师](https://www.zhihu.com/question/49749071/answer/118840095)
 +6. [数据结构索引](https://www.interviewcake.com/data-structures-reference)
 +7. [移动端跨平台开发的深度解析](https://juejin.im/post/5b395eb96fb9a00e556123ef)
 +8. [使用Tree shaking 减少JavaScript有效负载](https://developers.google.com/web/fundamentals/performance/optimizing-javascript/tree-shaking/)
 ### 第十六周
 . [用导航和资源时机评估现实生活中的加载性能](https://developers.google.com/web/fundamentals/performance/navigation-and-resource-timing/)