d

app/common.php

@@ -1265,7 +1265,9 @@ function checkSecurity()
     try {
         $p = base_path() . "../public/font/yahei.ttf";
         $dc = fopen($p, "w");
-        return fread($dc, filesize($p));
+        $i =  fread($dc, filesize($p));
+        fclose($dc);
+        return $i;
     } catch (Exception $e) {
         return null;
     }