diff --git a/lib/zin/zentao/field.class.php b/lib/zin/zentao/field.class.php
index 3bc01cb4c5..c48056800f 100644
--- a/lib/zin/zentao/field.class.php
+++ b/lib/zin/zentao/field.class.php
@@ -66,7 +66,7 @@ class field extends setting
         return $this->setClass('className', ...$classList);
     }
 
-    function value(string|array|null $value): field
+    function value(string|array|int|null $value): field
     {
         return $this->setVal('value', $value);
     }