:memo: log count($tex)

app/Tools/ExportDownload.php

@@ -128,7 +128,7 @@ class ExportDownload
         }
 
 
-        $this->setStatus(0.95,'export content done.');
+        $this->setStatus(0.95,'export content done. tex count='.count($tex));
 
         //upload
         $fileDate = '';