修复测试题提交失败的问题

client/src/api/player_api.js

@@ -49,7 +49,7 @@ export default class PlayerAPI extends BaseAPI {
    * 提交考试信息
    * @param {[object]} param
    */
-  submitExamDetail = (param) => this.post('/v2/education/homeworks', param)
+  submitExamDetail = (param) => this.post('/v2/education/homeworks', param, { headers: { 'Content-Type': 'application/json' } })
   /**
    * 获取对应 作业或问题 回答
    * @param {[string]} sid

server/client-dist/index.html

@@ -2,4 +2,4 @@
     <script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/static/compatible/console-polyfill.js"></script>
     <script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/static/compatible/html5shiv.min.js"></script>
     <script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/static/compatible/respond.min.js"></script>
-  <![endif]--><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/manifest.2de5c9cf.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~d0ae3f07.610ac89a.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~7274e1de.cf73926a.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~b5906859.38872705.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~db300d2f.ca4ebec4.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~6ed3fd28.5ddf1b03.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~1f20a385.b427ba73.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~77bf5e45.1872b0e8.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~fdc6512a.6c8f23a2.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/app~e2e93592.89590701.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/app~07e2a4e5.44c4dd18.js"></script></body></html>
+  <![endif]--><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/manifest.2de5c9cf.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~d0ae3f07.610ac89a.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~7274e1de.cf73926a.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~b5906859.38872705.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~db300d2f.ca4ebec4.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~6ed3fd28.5ddf1b03.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~1f20a385.b427ba73.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~77bf5e45.1872b0e8.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/vendor~fdc6512a.6c8f23a2.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/app~e2e93592.709c33f7.js"></script><script src="https://zws-imgs-pub.ezijing.com/static/build/learn-mba/resources/app~07e2a4e5.44c4dd18.js"></script></body></html>
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