anchor.diff:                  <label>
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                     <span>我已阅读并同意</span>
  -                  <a href="https://github.com/632team/Course-Selection-Guidance-in-CQU/blob/master/README.md" target="_blank">《EasyHousing使用协议》</a>
  +                  <a href="https://github.com/632team/EasyHousing/blob/master/README.md" target="_blank">《EasyHousing使用协议》</a>
                   </label><br>
                   <font color="#FF0000">${requestScope.failuremessage}</font>
                   <font color="#FF0000">${requestScope.successmessage}</font>
  
positive.code:     </div>
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negative.code:         </div>
          <div class="col-md-4 column">
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