Merge pull request #2 from phamvanhung2e123/new

New
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develop fix merge
Merge pull request #3 from phamvanhung2e123/develop

fix bug
Merge pull request #4 from phamvanhung2e123/new

New
develop4
develop5
develop6
Merge pull request #5 from phamvanhung2e123/develop

t
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new3