diff --git a/src/include/arc.archives.class.php b/src/include/arc.archives.class.php
index fec810eb..42dc1b92 100755
--- a/src/include/arc.archives.class.php
+++ b/src/include/arc.archives.class.php
@@ -1230,7 +1230,12 @@ class Archives
         // 这里可能会有错误
         if (version_compare(PHP_VERSION, '5.5.0', '>='))
         {
-            $body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
+            if (version_compare(PHP_VERSION, '8', '>=')) {
+                $body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight8", $body);
+            } else {
+                $body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
+            }
+            
         } else {
             $body = @preg_replace("#(^|>)([^<]+)(?=<|$)#sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
         }
@@ -1243,6 +1248,10 @@ class Archives
 
 }//End Archives
 
+function _highlight8($matches) {
+    // TODO
+}
+
 //高亮专用, 替换多次是可能不能达到最多次
 function _highlight($string, $words, $result, $pre)
 {
diff --git a/src/include/control.class.php b/src/include/control.class.php
index c678f452..66c94545 100755
--- a/src/include/control.class.php
+++ b/src/include/control.class.php
@@ -1,4 +1,4 @@
-<?php   if(!defined('DEDEINC')) exit("Request Error!");
+<?php if (!defined('DEDEINC')) exit("Request Error!");
 /**
  * 织梦控制器基类
  *
@@ -8,46 +8,46 @@
  * @license        http://help.dedecms.com/usersguide/license.html
  * @link           http://www.dedecms.com
  */
-require_once(DEDEINC."/dedetemplate.class.php");
+require_once(DEDEINC . "/dedetemplate.class.php");
 
 class Control
 {
     var $tpl;
     var $dsql;
-    var $style='default';
+    var $style = 'default';
     var $_helpers = array();
-    
+
     var $apptpl = '../templates/';
-    
+
     function __construct()
     {
         $this->Control();
     }
-    
+
     // 析构函数
     function Control()
     {
         global $dsql;
-        $this->tpl = isset($this->tpl)? $this->tpl : new DedeTemplate();
+        $this->tpl = isset($this->tpl) ? $this->tpl : new DedeTemplate();
         $sqltype = "DedeSql";
         if ($GLOBALS['cfg_mysql_type'] == 'mysqli' && function_exists("mysqli_init")) $sqltype = "DedeSql";
         else $sqltype = "DedeSqli";
-        $this->dsql = isset($dsql)? $dsql : new $sqltype(FALSE);
+        $this->dsql = isset($dsql) ? $dsql : new $sqltype(FALSE);
     }
-    
+
     //设置模板
     //如果想要使用模板中指定的pagesize，必须在调用模板后才调用 SetSource($sql)
     function SetTemplate($tplfile)
     {
-        $tplfile = DEDEAPPTPL.'/'.$this->style.'/'.$tplfile;
+        $tplfile = DEDEAPPTPL . '/' . $this->style . '/' . $tplfile;
         $this->tpl->LoadTemplate($tplfile);
     }
     function SetTemplet($tplfile)
     {
-        $tplfile = DEDEAPPTPL.'/'.$this->style.'/'.$tplfile;
+        $tplfile = DEDEAPPTPL . '/' . $this->style . '/' . $tplfile;
         $this->tpl->LoadTemplate($tplfile);
     }
-    
+
     //设置/获取文档相关的各种变量
     function SetVar($k, $v)
     {
@@ -59,76 +59,70 @@ class Control
         global $_vars;
         return isset($_vars[$k]) ? $_vars[$k] : '';
     }
-    
-    function Model($name='')
+
+    function Model($name = '')
     {
         $name = preg_replace("#[^\w]#", "", $name);
-        $modelfile = DEDEMODEL.'/'.$name.'.php';
-        if (file_exists($modelfile))
-        {
+        $modelfile = DEDEMODEL . '/' . $name . '.php';
+        if (file_exists($modelfile)) {
             require_once $modelfile;
         }
-        if (!empty($name) && class_exists($name))
-        {
+        if (!empty($name) && class_exists($name)) {
             return new $name;
-        } 
+        }
         return false;
     }
-    
-    function Libraries($name='',$data = '')
+
+    function Libraries($name = '', $data = '')
     {
-	if(defined('APPNAME')) 
-	{
-		$classfile = 'MY_'.$name.'.class.php';
-		if ( file_exists ( '../'.APPNAME.'/libraries/'.$classfile ) )
-		{
-			require '../'.APPNAME.'/libraries/'.$classfile;
-			return new $name($data);
-		}else{
-			if (!empty($name) && class_exists($name))
-		        {
-		            return new $name($data);
-		        }
-		}
-		return FALSE;
-	}else{
-		if (!empty($name) && class_exists($name))
-	        {
-	            return new $name($data);
-	        }
-	        return FALSE;
-	 }
-    }  
-    
+        if (defined('APPNAME')) {
+            $classfile = 'MY_' . $name . '.class.php';
+            if (file_exists('../' . APPNAME . '/libraries/' . $classfile)) {
+                require '../' . APPNAME . '/libraries/' . $classfile;
+                return new $name($data);
+            } else {
+                if (!empty($name) && class_exists($name)) {
+                    return new $name($data);
+                }
+            }
+            return FALSE;
+        } else {
+            if (!empty($name) && class_exists($name)) {
+                return new $name($data);
+            }
+            return FALSE;
+        }
+    }
+
     //载入helper
-    function helper($helper = "",$path)
-    {   
-        $help_path = $path.'/data/helper/'.$helper.".helper.php";
-        if (file_exists($help_path))
-        { 
+    function helper($helper, $path)
+    {
+        $help_path = $path . '/data/helper/' . $helper . ".helper.php";
+        if (file_exists($help_path)) {
             include_once($help_path);
-        }else{
-            exit('Unable to load the requested file: '.$helper.".helper.php");          
-        }  
+        } else {
+            exit('Unable to load the requested file: ' . $helper . ".helper.php");
+        }
     }
-    
+
     //显示数据
     function Display()
     {
         $this->tpl->SetObject($this);
         $this->tpl->Display();
     }
-    
+
     //保存为HTML
     function SaveTo($filename)
     {
         $this->tpl->SetObject($this);
         $this->tpl->SaveTo($filename);
     }
-    
+
     // 释放资源
-    function __destruct() {
+    function __destruct()
+    {
         unset($this->tpl);
         $this->dsql->Close(TRUE);
     }
-}
\ No newline at end of file
+}
diff --git a/src/include/dedehttpdown.class.php b/src/include/dedehttpdown.class.php
index f391af9d..90cfc367 100755
--- a/src/include/dedehttpdown.class.php
+++ b/src/include/dedehttpdown.class.php
@@ -546,10 +546,13 @@ class DedeHttpDown
      */
     function Close()
     {
-        if (function_exists('curl_init') && function_exists('curl_exec')) {
+        if (function_exists('curl_init') && function_exists('curl_exec') && $this->m_ch) {
             @curl_close($this->m_ch);
         }
-        @fclose($this->m_fp);
+        if ($this->m_fp) {
+            @fclose($this->m_fp);
+        }
+        
     }
 
     /**
diff --git a/src/include/dedesqli.class.php b/src/include/dedesqli.class.php
index e4525429..57888446 100755
--- a/src/include/dedesqli.class.php
+++ b/src/include/dedesqli.class.php
@@ -156,7 +156,10 @@ class DedeSqli
     //为了防止采集等需要较长运行时间的程序超时，在运行这类程序时设置系统等待和交互时间
     function SetLongLink()
     {
-        @mysqli_query("SET interactive_timeout=3600, wait_timeout=3600 ;", $this->linkID);
+        if ($this->linkID) {
+            @mysqli_query($this->linkID, "SET interactive_timeout=3600, wait_timeout=3600 ;");
+        }
+        
     }
 
     //获得错误描述