Remove redundant empty line
Ch7_尚有無法更換之圖片
Ch1

5.點擊 **儲存**之後還有藏無法顯示的程式碼
Merge pull request #19 from okalright/#166

#166
Merge pull request #18 from okalright/#172

Close #172
Thanks!
Merge branch 'develop' of github.com:edXPDRLab/manuals into zhTW-images
Ch2
Merge pull request #20 from okalright/#167

Close #167
Thanks.
Ch7_補漏圖。
Merge branch 'develop' of github.com:edXPDRLab/manuals into develop
Ch3
Merge pull request #21 from okalright/#168

Close #168
Thanks.
Merge branch 'develop' into zhTW-images
Ch7_補漏改圖檔名
Ch4
Ch4
Ch4
Merge pull request #24 from okalright/#169

#169
Ch5
Merge pull request #25 from okalright/#170

Close #170
Thanks.