diff --git a/disk/Aliyundrive.php b/disk/Aliyundrive.php
index 90ef2ab..8dfa731 100644
--- a/disk/Aliyundrive.php
+++ b/disk/Aliyundrive.php
@@ -76,7 +76,7 @@ class Aliyundrive {
                 $tmp['list'][$filename]['name'] = $file['name'];
                 $tmp['list'][$filename]['time'] = $file['updated_at'];
                 $tmp['list'][$filename]['size'] = $file['size'];
-                $tmp['childcount']++;
+                //$tmp['childcount']++;
             }
         } elseif (isset($files['code'])||isset($files['error'])) {
             return $files;
@@ -90,8 +90,6 @@ class Aliyundrive {
         global $exts;
         while (substr($path, -1)=='/') $path = substr($path, 0, -1);
         if ($path == '') $path = '/';
-        //$files = getcache('path_' . $path, $this->disktag);
-        //if (!$files) {
         if (!($files = getcache('path_' . $path, $this->disktag))) {
             if ($path == '/' || $path == '') {
                 $files = $this->fileList('root');
@@ -113,22 +111,33 @@ class Aliyundrive {
                             $files['time'] = $item['updated_at'];
                             $files['size'] = $item['size'];
                         } else $files = $item;
-                        
                     }
-                    
                 }
                 //echo $files['name'];
             }
             if ($files['type']=='file') {
-                if (in_array(splitlast($files['name'],'.')[1], $exts['txt'])) {
-                    if (!(isset($files['content'])&&$files['content']['stat']==200)) {
-                        $header['Referer'] = 'https://www.aliyundrive.com/';
-                        $header['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36';
-                        $content1 = curl('GET', $files['download_url'], '', $header);
-                        $files['content'] = $content1;
-                        savecache('path_' . $path, $files, $this->disktag);
+                if (in_array(strtolower(splitlast($files['name'],'.')[1]), $exts['txt'])) {
+                    if ($files['size']<1024*1024) {
+                        if (!(isset($files['content'])&&$files['content']['stat']==200)) {
+                            $header['Referer'] = 'https://www.aliyundrive.com/';
+                            $header['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36';
+                            $content1 = curl('GET', $files['download_url'], '', $header);
+                            $tmp = null;
+                            $tmp = json_decode(json_encode($content1), true);
+                            if ($tmp['body']===null) {
+                                $tmp['body'] = iconv("GBK", 'UTF-8//TRANSLIT', $content1['body']);
+                                $tmp = json_decode(json_encode($tmp), true);
+                                if ($tmp['body']!==null) $content1['body'] = $tmp['body'];
+                            }
+                            //error_log1('body : ' . $content1['body'] . PHP_EOL);
+                            $files['content'] = $content1;
+                            savecache('path_' . $path, $files, $this->disktag);
+                        }
+                    } else {
+                        $files['content']['stat'] = 202;
+                        $files['content']['body'] = 'File too large.';
                     }
-                    error_log1($files['name'] . ' : ' . json_encode($files['content']) . PHP_EOL);
+                    //error_log1($files['name'] . ' : ' . json_encode($files['content']) . PHP_EOL);
                 }
             }
             if (!$files) {
@@ -177,8 +186,8 @@ class Aliyundrive {
         $header["content-type"] = "application/json; charset=utf-8";
         $header['authorization'] = 'Bearer ' . $this->access_token;
 
-        $data['limit'] = 50;
-        $data['marker'] = NULL;
+        $data['limit'] = 200;
+        $data['marker'] = null;
         $data['drive_id'] = $this->driveId;
         $data['parent_file_id'] = $parent_file_id;
         $data['image_thumbnail_process'] = 'image/resize,w_160/format,jpeg';
@@ -190,7 +199,19 @@ class Aliyundrive {
 
         $res = curl('POST', $url, json_encode($data), $header);
         //error_log1($res['stat'] . $res['body']);
-        if ($res['stat']==200) return json_decode($res['body'], true);
+        if ($res['stat']==200) {
+            $body = json_decode($res['body'], true);
+            $body1 = $body;
+            while ($body1['next_marker']!='') {
+                $data['marker'] = $body1['next_marker'];
+                $res1 = null;
+                $res1 = curl('POST', $url, json_encode($data), $header);
+                $body1 = json_decode($res1['body'], true);
+                $body['items'] = array_merge($body['items'], $body1['items']);
+            }
+            return $body;
+            //return json_decode($res['body'], true);
+        }
         else return $res;
     }
 
diff --git a/disk/Googledrive.php b/disk/Googledrive.php
index fa8d45f..bdef277 100644
--- a/disk/Googledrive.php
+++ b/disk/Googledrive.php
@@ -128,21 +128,33 @@ class Googledrive {
                             //$this->permission('delete', $files['id']);
                             
                             //if (isset($item['mimeType']) && $item['mimeType']!='application/vnd.google-apps.folder') {
-                                if (in_array(splitlast($item['name'],'.')[1], $exts['txt'])) {
-                                    if (!(isset($item['content'])&&$item['content']['stat']==200)) {
-                                        //if (!isset($item['downUrl'])) {
-                                            $res = curl('GET', $item['webContentLink'], '', [], 1);
-                                            $weblink = $res['returnhead']['Location'];
-                                            //if ($weblink!==null) $item['downUrl'] = $weblink;
-                                            //else error_log1('Cant get link:' . json_encode($res, JSON_PRETTY_PRINT));
-                                        //}
-                                        if ($res['stat']==302) {
-                                            $content1 = curl('GET', $weblink, '', ["User-Agent"=>"qkqpttgf/OneManager 3.0.0", "Accept"=>"*/*"]);
-                                            $item['content'] = $content1;
-                                        }// else $content1 = $res;
-                                        //error_log1($item['name'] . '~' . json_encode($content1, JSON_PRETTY_PRINT) . PHP_EOL);
-                                        $parent_folder['files'][$i] = $item;
-                                        savecache('path_' . $path, $parent_folder, $this->disktag);
+                                if (in_array(strtolower(splitlast($item['name'],'.')[1]), $exts['txt'])) {
+                                    if ($files['size']<1024*1024) {
+                                        if (!(isset($item['content'])&&$item['content']['stat']==200)) {
+                                            //if (!isset($item['downUrl'])) {
+                                                $res = curl('GET', $item['webContentLink'], '', [], 1);
+                                                $weblink = $res['returnhead']['Location'];
+                                                //if ($weblink!==null) $item['downUrl'] = $weblink;
+                                                //else error_log1('Cant get link:' . json_encode($res, JSON_PRETTY_PRINT));
+                                            //}
+                                            if ($res['stat']==302) {
+                                                $content1 = curl('GET', $weblink, '', ["User-Agent"=>"qkqpttgf/OneManager 3.0.0", "Accept"=>"*/*"]);
+                                                $tmp = null;
+                                                $tmp = json_decode(json_encode($content1), true);
+                                                if ($tmp['body']===null) {
+                                                    $tmp['body'] = iconv("GBK", 'UTF-8//TRANSLIT', $content1['body']);
+                                                    $tmp = json_decode(json_encode($tmp), true);
+                                                    if ($tmp['body']!==null) $content1['body'] = $tmp['body'];
+                                                }
+                                                $item['content'] = $content1;
+                                            }// else $content1 = $res;
+                                            //error_log1($item['name'] . '~' . json_encode($content1, JSON_PRETTY_PRINT) . PHP_EOL);
+                                            $parent_folder['files'][$i] = $item;
+                                            savecache('path_' . $path, $parent_folder, $this->disktag);
+                                        }
+                                    } else {
+                                        $files['content']['stat'] = 202;
+                                        $files['content']['body'] = 'File too large.';
                                     }
                                 }
                             //}
diff --git a/disk/Onedrive.php b/disk/Onedrive.php
index d854886..cdd7211 100644
--- a/disk/Onedrive.php
+++ b/disk/Onedrive.php
@@ -100,11 +100,23 @@ class Onedrive {
                     }
                 }
                 if (isset($files['file'])) {
-                    if (in_array(splitlast($files['name'],'.')[1], $exts['txt'])) {
-                        if (!(isset($files['content'])&&$files['content']['stat']==200)) {
-                            $content1 = curl('GET', $files[$this->DownurlStrName]);
-                            $files['content'] = $content1;
-                            savecache('path_' . $path, $files, $this->disktag);
+                    if (in_array(strtolower(splitlast($files['name'],'.')[1]), $exts['txt'])) {
+                        if ($files['size']<1024*1024) {
+                            if (!(isset($files['content'])&&$files['content']['stat']==200)) {
+                                $content1 = curl('GET', $files[$this->DownurlStrName]);
+                                $tmp = null;
+                                $tmp = json_decode(json_encode($content1), true);
+                                if ($tmp['body']===null) {
+                                    $tmp['body'] = iconv("GBK", 'UTF-8//TRANSLIT', $content1['body']);
+                                    $tmp = json_decode(json_encode($tmp), true);
+                                    if ($tmp['body']!==null) $content1['body'] = $tmp['body'];
+                                }
+                                $files['content'] = $content1;
+                                savecache('path_' . $path, $files, $this->disktag);
+                            }
+                        } else {
+                            $files['content']['stat'] = 202;
+                            $files['content']['body'] = 'File too large.';
                         }
                     }
                 }