diff --git a/reference/exif/functions/exif-imagetype.xml b/reference/exif/functions/exif-imagetype.xml
index d81ed694d..35b40970f 100644
--- a/reference/exif/functions/exif-imagetype.xml
+++ b/reference/exif/functions/exif-imagetype.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: bfadfd1c4c3ba654b1d3324d9425dd1c07fea906 Maintainer: dallas Status: ready -->
+<!-- EN-Revision: f40e02ff1bd0eb238dc8e542434004de9eb03a58 Maintainer: dallas Status: ready -->
 <!-- CREDITS: mowangjuanzi -->
  <refentry xml:id="function.exif-imagetype" xmlns="http://docbook.org/ns/docbook">
   <refnamediv>
@@ -131,6 +131,10 @@
         <entry>18</entry>
         <entry><constant>IMAGETYPE_WEBP</constant></entry>
        </row>
+       <row>
+        <entry>19</entry>
+        <entry><constant>IMAGETYPE_AVIF</constant></entry>
+       </row>
       </tbody>
      </tgroup>
     </table>
@@ -164,6 +168,12 @@
          新增 WebP 支持。
         </entry>
        </row>
+       <row>
+        <entry>8.1.0</entry>
+        <entry>
+         新增 AVIF 支持。
+        </entry>
+       </row>
       </tbody>
      </tgroup>
     </informaltable>