Merge pull request #15 from SMU-SIS/gh-pages

update
Merge pull request #16 from SMU-SIS/gh-pages

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Merge pull request #17 from SMU-SIS/gh-pages

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delete unecessary to aviod the mutiple checking issue
Merge pull request #71 from LI-HE/gh-pages

delete unecessary to aviod the mutiple checking issue