Merge pull request #40 from kynm/refactor_code

fix controller
Merge pull request #42 from VuThiMinhHang/Fix_view

Fix view
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Merge pull request #43 from duonglan/add_like_button_image

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Merge pull request #44 from VuThiMinhHang/fix_code

Merge pull request #40 from kynm/refactor_code
Fix view