如何删除 .htaccess 中的 %20 额外关键字 url 错误？

Question

如何删除 .htaccess 中的 %20 额外关键字 url 错误？

#Options +FollowSymLinks
Options -Indexes
RewriteEngine On


RewriteRule (.*)_hello_(.*)_lan_(.*)_html.html$ view_html.php?q=$1&sq=$2&lang=$3 [B,L]
RewriteRule (.*)_hello_(.*)_lan_(.*)_plain.html$ view_plain.php?q=$1&sq=$2&lang=$3 [B,L]

那个额外的 %20 url 有错误..

http://example.com/Higher%20education_wikipedia_EDUCATIONS_lan_en_html.html