diff --git a/disk/Onedrive.php b/disk/Onedrive.php
index 578b80b..ab8ce45 100644
--- a/disk/Onedrive.php
+++ b/disk/Onedrive.php
@@ -514,11 +514,11 @@ class Onedrive {
             }
 
             $api = $this->api_url . '/sites/root';
-            $arr = curl('GET', $api, '', [ 'Authorization' => 'Bearer ' . $this->access_token ]);
+            $arr = $this->MSAPI('GET', $api);
             $Tenant = json_decode($arr['body'], true)['webUrl'];
 
             $api = $this->api_url . '/me/followedSites';
-            $arr = curl('GET', $api, '', [ 'Authorization' => 'Bearer ' . $this->access_token ]);
+            $arr = $this->MSAPI('GET', $api);
             if (!($arr['stat']==200||$arr['stat']==403||$arr['stat']==400||$arr['stat']==404)) return message($arr['stat'] . json_encode(json_decode($arr['body']), JSON_PRETTY_PRINT), 'Get followedSites', $arr['stat']);
             error_log1($arr['body']);
             $sites = json_decode($arr['body'], true)['value'];
@@ -812,7 +812,7 @@ class Onedrive {
         $i=0;
         $response = [];
         while ($url!=''&&$response['stat']!=200&&$i<4) {
-            $response = curl('GET', $url, false, ['Authorization' => 'Bearer ' . $this->access_token]);
+            $response = $this->MSAPI('GET', $url);
             $i++;
         }
         if ($response['stat']!=200) {
@@ -990,7 +990,11 @@ class Onedrive {
         if ($response['stat']==429) {
             $res = json_decode($response['body'], true);
             $retryAfter = $res['error']['retryAfterSeconds'];
-            setConfig(['activeLimit' => time()+$retryAfter], $this->disktag);
+            $retryAfter_n = (int)$retryAfter;
+            if ($retryAfter_n>0) {
+                $tmp1['activeLimit'] = $retryAfter_n + time();
+                setConfig($tmp1, $this->disktag);
+            }
         }
         curl_close($ch);
         error_log1($response['stat'].'