diff --git a/src/article_netmgr.cc b/src/article_netmgr.cc
index ef41dfd20..e34ce8d94 100644
--- a/src/article_netmgr.cc
+++ b/src/article_netmgr.cc
@@ -365,11 +365,12 @@ qint64 ArticleResourceReply::bytesAvailable() const
   if ( avail < 0 )
     return 0;
 
-  if ( !req->isFinished() ) {
-    return 65536;
+  qint64 availBytes = avail - alreadyRead + QNetworkReply::bytesAvailable();
+  if ( availBytes == 0 && !req->isFinished() ) {
+    return 10240;
   }
 
-  return avail - alreadyRead + QNetworkReply::bytesAvailable();
+  return availBytes;
 }
 
 
diff --git a/src/common/globalregex.cc b/src/common/globalregex.cc
index bb604abf1..08c11d5c9 100644
--- a/src/common/globalregex.cc
+++ b/src/common/globalregex.cc
@@ -24,7 +24,8 @@ QRegularExpression Ftx::token( R"((".*?")|([\w\W\+\-]+))",
                                  | QRegularExpression::CaseInsensitiveOption );
 //mdx
 
-QRegularExpression Mdx::allLinksRe( R"((?:<\s*(a(?:rea)?|img|link|script|source)(?:\s+[^>]+|\s*)>))",
+//<audio src="xxx"> is also a valid url.
+QRegularExpression Mdx::allLinksRe( R"((?:<\s*(a(?:rea)?|img|link|script|source|audio|video)(?:\s+[^>]+|\s*)>))",
                                     QRegularExpression::CaseInsensitiveOption );
 QRegularExpression Mdx::wordCrossLink( R"(([\s"']href\s*=)\s*(["'])entry://([^>#]*?)((?:#[^>]*?)?)\2)",
                                        QRegularExpression::CaseInsensitiveOption );
diff --git a/src/dict/mdx.cc b/src/dict/mdx.cc
index f2b8d5c24..de8c35080 100644
--- a/src/dict/mdx.cc
+++ b/src/dict/mdx.cc
@@ -908,7 +908,7 @@ void MdxDictionary::replaceLinks( QString & id, QString & article )
     QString linkType = allLinksMatch.captured( 1 ).toLower();
     QString newLink;
 
-    if ( !linkType.isEmpty() && linkType.at( 0 ) == 'a' ) {
+    if ( linkType.compare( "a" ) == 0 || linkType.compare( "area" ) == 0 ) {
       newLink = linkTxt;
 
       QRegularExpressionMatch match = RX::Mdx::audioRe.match( newLink );
@@ -956,12 +956,12 @@ void MdxDictionary::replaceLinks( QString & id, QString & article )
       else
         newLink = linkTxt.replace( RX::Mdx::stylesRe2, R"(\1"bres://)" + id + R"(/\2")" );
     }
-    else if ( linkType.compare( "script" ) == 0 || linkType.compare( "img" ) == 0
-              || linkType.compare( "source" ) == 0 ) {
+    else {
+      //linkType in ("script","img","source","audio","video")
       // javascripts and images
       QRegularExpressionMatch match = RX::Mdx::inlineScriptRe.match( linkTxt );
-      if ( linkType.at( 1 ) == 'c' // "script" tag
-           && match.hasMatch() && match.capturedLength() == linkTxt.length() ) {
+      // "script" tag
+      if ( linkType.compare( "script" ) == 0 && match.hasMatch() && match.capturedLength() == linkTxt.length() ) {
         // skip inline scripts
         articleNewText += linkTxt;
         match = RX::Mdx::closeScriptTagRe.match( article, linkPos );
@@ -972,6 +972,7 @@ void MdxDictionary::replaceLinks( QString & id, QString & article )
         continue;
       }
       else {
+        //audio ,video ,html5 tags fall here.
         match = RX::Mdx::srcRe.match( linkTxt );
         if ( match.hasMatch() ) {
           QString newText;
@@ -992,6 +993,7 @@ void MdxDictionary::replaceLinks( QString & id, QString & article )
           newLink = linkTxt.replace( RX::Mdx::srcRe2, R"(\1"bres://)" + id + R"(/\2")" );
       }
     }
+
     if ( !newLink.isEmpty() ) {
       articleNewText += newLink;
     }