diff --git a/.example.env b/.example.env
index b96002f5..93e5c287 100644
--- a/.example.env
+++ b/.example.env
@@ -36,14 +36,14 @@ WHITE_LIST[] = receive_sync/product
 # 不需记录日志的接口
 [ADMIN_API]
 IGNORE_LOGGING_LIST[] = v1/OperateLog/index
-MAX_IMAGE_SIZE = 5mb # 图片上传最大限制
-MAX_VIDEO_SIZE = 150mb # 视频上传最大限制
-MAX_ATTACHMENT_SIZE = 100mb # 附件上传最大限制
+MAX_IMAGE_SIZE = 5mb; # 图片上传最大限制
+MAX_VIDEO_SIZE = 150mb; # 视频上传最大限制
+MAX_ATTACHMENT_SIZE = 100mb; # 附件上传最大限制
 
 # 开放API
 [OPENAPI]
-ACCESS_TOKEN_LIFETIME = 3600 # 访问令牌有效期
-REFRESH_TOKEN_LIFETIME = 1209600 # 刷新令牌有效期
+ACCESS_TOKEN_LIFETIME = 3600; # 访问令牌有效期
+REFRESH_TOKEN_LIFETIME = 1209600; # 刷新令牌有效期
 RESOURCE_IMAGES_DOMAIN = http://local.orico.com; # 图片资源服务器地址
 RESOURCE_VIDEOS_DOMAIN = http://local.orico.com; # 视频资源服务器地址
 
diff --git a/app/openapi/controller/v1/Authorize.php b/app/openapi/controller/v1/Authorize.php
index 262273c8..03833c3b 100644
--- a/app/openapi/controller/v1/Authorize.php
+++ b/app/openapi/controller/v1/Authorize.php
@@ -26,8 +26,8 @@ class Authorize
             $request = new Request([], $post, [], [], [], $server);
             $storage = new OAuthStorage;
             $oauth   = new OAuth2($storage, [
-                'access_token_lifetime'  => env('OPENAPI.ACCESS_TOKEN_LIFETIME', 3600),
-                'refresh_token_lifetime' => env('OPENAPI.REFRESH_TOKEN_LIFETIME', 1209600),
+                'access_token_lifetime'  => intval(env('OPENAPI.ACCESS_TOKEN_LIFETIME', 3600)),
+                'refresh_token_lifetime' => intval(env('OPENAPI.REFRESH_TOKEN_LIFETIME', 1209600)),
             ]);
             $token   = $oauth->grantAccessToken($request);
             return success('success', json_decode($token->getContent(), true));
diff --git a/app/openapi/middleware/Auth.php b/app/openapi/middleware/Auth.php
index 5b439684..07a652ee 100644
--- a/app/openapi/middleware/Auth.php
+++ b/app/openapi/middleware/Auth.php
@@ -20,8 +20,8 @@ class Auth
     {
         try {
             $oauth = new OAuth2(new OAuthStorage, [
-                'access_token_lifetime'  => env('OPENAPI.ACCESS_TOKEN_LIFETIME', 3600),
-                'refresh_token_lifetime' => env('OPENAPI.REFRESH_TOKEN_LIFETIME', 1209600),
+                'access_token_lifetime'  => intval(env('OPENAPI.ACCESS_TOKEN_LIFETIME', 3600)),
+                'refresh_token_lifetime' => intval(env('OPENAPI.REFRESH_TOKEN_LIFETIME', 1209600)),
             ]);
             $token = $oauth->getBearerToken();
             $oauth->verifyAccessToken($token);