a bug about opencms fckeditor

I use opencms_6.2.3. When I add a article with chinese,there is something wrong.
 
1.I copied the content from Word.
 a bug about opencms fckeditor
 
2. I click OK button,and then a new window was shown. Ctrl +v .
a bug about opencms fckeditor 
3.Click the OK button.
a bug about opencms fckeditor
 
4.Then I saved and published the article. But get the failed result.
a bug about opencms fckeditor
 
5.If click cancel on Step 2,the publishing is OK.
a bug about opencms fckeditor 
6.Even Step 5 is successful,the article’s shown is wrong.
a bug about opencms fckeditor 
The attachment is the word file that can get the problem.
 
David.ye