diff --git a/hwe/sammo/ResetHelper.php b/hwe/sammo/ResetHelper.php
index 2a410276..2bf3aa01 100644
--- a/hwe/sammo/ResetHelper.php
+++ b/hwe/sammo/ResetHelper.php
@@ -41,6 +41,10 @@ class ResetHelper{
             ];
         }
 
+        if(!file_exists($servRoot.'/logs/preserved')){
+            mkdir($servRoot.'/logs/preserved', 0755);
+        }
+
         if(!file_exists($servRoot.'/logs/.htaccess')){
             @file_put_contents($servRoot.'/logs/.htaccess', 'Deny from  all');
         }
@@ -49,6 +53,23 @@ class ResetHelper{
             @file_put_contents($servRoot.'/data/.htaccess', 'Deny from  all');
         }
 
+        $dir = new \DirectoryIterator($servRoot.'/logs');
+        foreach ($dir as $fileinfo) {
+            /** @var \DirectoryIterator $fileinfo */
+            if (!$fileinfo->isDir() || $fileinfo->isDot()) {
+                continue;
+            }
+            $basename = $fileinfo->getFilename();
+            if($basename == 'preserved'){
+                continue;
+            }
+            if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+                exec("move ".escapeshellarg($servRoot.'/logs/'.$basename)." ".escapeshellarg($servRoot.'/logs/preserved/'.$basename));
+            } else {
+                exec("mv ".escapeshellarg($servRoot.'/logs/'.$basename)." ".escapeshellarg($servRoot.'/logs/preserved/'.$basename));
+            }
+        }
+
         $prefix = DB::prefix();
         AppConf::getList()[$prefix]->closeServer();