A blank page will appear when dedecms update the article

When there is a blank page in the dream weaving dedecms, you can try to set it in the system: weaving dream cms background——"System——"System Settings——"System Basic Parameters——"Other Options——" in "Automatically select keywords "In this item, select "No", click OK, ok, and then add the article, there will be no blank problem.
Another way is:
Open dede / catalog_do.php document
the header ( "location: article_add.php")
into
echo "";
open dede / archives_do.php document
the header ( "LOCATION: { Katex the parse error: the Expected ' the EOF ', GOT'} 'AT position. 5:? = gurl} AID AID "); replaced echo' ';