diff --git a/src/biz/AppUserCreateRequest.php b/src/biz/AppUserCreateRequest.php
index bf74220..7514fef 100644
--- a/src/biz/AppUserCreateRequest.php
+++ b/src/biz/AppUserCreateRequest.php
@@ -20,6 +20,7 @@ class AppUserCreateRequest extends IRequest
             'role' => $this->getRole(),
             'publish' => join(',', $this->getPublish()),
             'subscribe' => join(',', $this->getSubscribe()),
+            'expire' => $this->expireAt
         ];
     }
 
@@ -38,6 +39,21 @@ class AppUserCreateRequest extends IRequest
         $this->subscribe = $subscribe;
     }
 
+    /**
+     * @var string 过期时间
+     */
+    private string $expireAt = '';
+
+    public function getExpireAt(): string
+    {
+        return $this->expireAt;
+    }
+
+    public function setExpireAt(string $expireAt): void
+    {
+        $this->expireAt = $expireAt;
+    }
+
 
     private array $publish = [];