2. Auto Converting
2.1 GB2312 to UTF-8
2.1.1 If the text is in traditional Chinese, but the character set is GB2312, bad conversion
2.2 Path to image: some img tags are not in the same format
2.2.1 img and src are in different lines
2.2.2 Separators (space) in between img and src are not consistent
2.2.3 Single and double quote symbol
3. Manual editing: to solve the problem occurred in Auto Converting
