diff --git a/src/admin/baidunews.php b/src/admin/baidunews.php
index a1d5174a..cd17ec77 100644
--- a/src/admin/baidunews.php
+++ b/src/admin/baidunews.php
@@ -33,11 +33,12 @@ if (empty($do)) {
     ";
     $dsql->SetQuery($query);
     $dsql->Execute();
+    $proto = IsSSL()? "https://" : "http://";
     while ($row = $dsql->GetArray()) {
         $title = dede_htmlspecialchars($row['title']);
         $row1 = GetOneArchive($row['id']);
-        if (strpos($row1['arcurl'], 'http://') === false) {
-            $link = ($cfg_basehost == '' ? 'http://'.$_SERVER["HTTP_HOST"].$cfg_cmspath : $cfg_basehost).$row1['arcurl'];
+        if ((strpos($row1['arcurl'], 'http://') === false) || (strpos($row1['arcurl'], 'https://') === false)) {
+            $link = ($cfg_basehost == '' ? $proto.$_SERVER["HTTP_HOST"].$cfg_cmspath : $cfg_basehost).$row1['arcurl'];
         } else {
             $link = $row1['arcurl'];
         }
@@ -45,8 +46,8 @@ if (empty($do)) {
         $description = dede_htmlspecialchars(strip_tags($row['description']));
         $text = dede_htmlspecialchars(strip_tags($row['body']));
         $image = $row['litpic'] == '' ? '' : $row['litpic'];
-        if ($image != '' && strpos($image, 'http://') === false) {
-            $image = ($cfg_basehost == '' ? 'http://'.$_SERVER["HTTP_HOST"].$cfg_cmspath : $cfg_basehost).$image;
+        if ($image != '' && (strpos($image, 'http://') === false) || (strpos($image, 'https://') === false)) {
+            $image = ($cfg_basehost == '' ? $proto.$_SERVER["HTTP_HOST"].$cfg_cmspath : $cfg_basehost).$image;
         }
         //$headlineimg = '';
         $keywords = dede_htmlspecialchars($row['keywords']);
diff --git a/src/admin/inc/inc_archives_functions.php b/src/admin/inc/inc_archives_functions.php
index ccff6967..f8a7f3ef 100644
--- a/src/admin/inc/inc_archives_functions.php
+++ b/src/admin/inc/inc_archives_functions.php
@@ -34,7 +34,7 @@ function GetCurContentAlbum($body, $rfurl, &$firstdd)
     $rsimg = '';
     $cfg_uploaddir = $GLOBALS['cfg_image_dir'];
     $cfg_basedir = $GLOBALS['cfg_basedir'];
-    $basehost = 'http://'.$_SERVER['HTTP_HOST'];
+    $basehost = IsSSL()? "https://".$_SERVER["HTTP_HOST"] : "http://".$_SERVER["HTTP_HOST"];
     $img_array = array();
     preg_match_all("/(src)=[\"|'| ]{0,}(http:\/\/([^>]*)\.(gif|jpg|png))/isU", $body, $img_array);
     $img_array = array_unique($img_array[2]);
@@ -99,7 +99,7 @@ function GetCurContent($body)
     global $cfg_multi_site, $cfg_basehost, $cfg_basedir, $cfg_image_dir, $arcID, $cuserLogin, $dsql;
     $cfg_uploaddir = $cfg_image_dir;
     $htd = new DedeHttpDown();
-    $basehost = "http://".$_SERVER["HTTP_HOST"];
+    $basehost = IsSSL()? "https://".$_SERVER["HTTP_HOST"] : "http://".$_SERVER["HTTP_HOST"];
     $img_array = array();
     preg_match_all("/src=[\"|'|\s]([^\"|^\'|^\s]*?)/isU", $body, $img_array);
     $img_array = array_unique($img_array[1]);
diff --git a/src/apps/showphoto.php b/src/apps/showphoto.php
index 8583c8a3..d01c7b76 100755
--- a/src/apps/showphoto.php
+++ b/src/apps/showphoto.php
@@ -58,8 +58,8 @@ foreach ($dtp->CTags as $ctag) {
 }
 unset($dtp);
 if ($cfg_multi_site == 'Y') {
-    if (!preg_match("/^http:/i", $preSrc) && !empty($preSrc)) $preSrc = $cfg_basehost.$preSrc;
-    if (!preg_match("/^http:/i", $nextSrc) && !empty($nextSrc)) $nextSrc = $cfg_basehost.$nextSrc;
+    if (!preg_match("/^(http|https):/i", $preSrc) && !empty($preSrc)) $preSrc = $cfg_basehost.$preSrc;
+    if (!preg_match("/^(http|https):/i", $nextSrc) && !empty($nextSrc)) $nextSrc = $cfg_basehost.$nextSrc;
 }
 if ($preSrc != '') {
     $pageGuide .= "<a href='showphoto.php?aid={$aid}&src=".urlencode($preSrc)."&npos=".($npos - 1)."'>&lt;&lt;上一幅图片</a> ";
diff --git a/src/install/index.php b/src/install/index.php
index 678a4a88..5f899b66 100644
--- a/src/install/index.php
+++ b/src/install/index.php
@@ -35,6 +35,7 @@ if(empty($step))
 {
     $step = 1;
 }
+$proto = IsSSL()? "https://" : "http://";
 /*------------------------
 使用协议书
 function _1_Agreement()
@@ -62,10 +63,11 @@ if($step==1)
     else
     $scriptName = $_SERVER['PHP_SELF'];
     $basepath = preg_replace("#\/install(.*)$#i", '', $scriptName);
+
     if(!empty($_SERVER['HTTP_HOST']))
-        $baseurl = 'http://'.$_SERVER['HTTP_HOST'];
+        $baseurl = $proto.$_SERVER['HTTP_HOST'];
     else
-        $baseurl = "http://".$_SERVER['SERVER_NAME'];
+        $baseurl = $proto.$_SERVER['SERVER_NAME'];
     $chars='abcdefghigklmnopqrstuvwxwyABCDEFGHIGKLMNOPQRSTUVWXWY0123456789';
     $rnd_cookieEncode='';
     $length = rand(28,32);
@@ -89,9 +91,9 @@ else if($step==2)
         die("当前数据库类型不支持");
     }
     if(!empty($_SERVER['HTTP_HOST']))
-        $dfbaseurl = 'http://'.$_SERVER['HTTP_HOST'];
+        $dfbaseurl = $proto.$_SERVER['HTTP_HOST'];
     else
-        $dfbaseurl = "http://".$_SERVER['SERVER_NAME'];
+        $dfbaseurl = $proto.$_SERVER['SERVER_NAME'];
     $dfbasepath = preg_replace("#\/install(.*)$#i", '', $scriptName);
     $dbhost = empty($dbhost)? "localhost" : $dbhost;
     $dbuser = empty($dbuser)? "root" : $dbuser;
diff --git a/src/system/common.func.php b/src/system/common.func.php
index 1bca4b3e..f6e3bb46 100755
--- a/src/system/common.func.php
+++ b/src/system/common.func.php
@@ -286,6 +286,20 @@ function IndexActive($idx)
         return '';
     }
 }
+//是否是HTTPS
+function IsSSL()
+{
+    if ($_SERVER['HTTPS'] && ('1' == $_SERVER['HTTPS'] || 'on' == strtolower($_SERVER['HTTPS']))) {
+        return true;
+    } elseif ('https' == $_SERVER['REQUEST_SCHEME']) {
+        return true;
+    } elseif ('443' == $_SERVER['SERVER_PORT']) {
+        return true;
+    } elseif ('https' == $_SERVER['HTTP_X_FORWARDED_PROTO']) {
+        return true;
+    }
+    return false;
+}
 //自定义函数接口
 //这里主要兼容早期的用户扩展,v5.7之后我们建议使用小助手helper进行扩展
 if (file_exists(DEDEINC.'/extend.func.php')) {
diff --git a/src/system/libraries/dedehttpdown.class.php b/src/system/libraries/dedehttpdown.class.php
index a3640dbd..16b1d4bd 100755
--- a/src/system/libraries/dedehttpdown.class.php
+++ b/src/system/libraries/dedehttpdown.class.php
@@ -12,7 +12,7 @@ if (!defined('DEDEINC')) exit('dedebiz');
 @set_time_limit(0);
 class DedeHttpDown
 {
-    var $m_ch = '';
+    var $m_ch = null;
     var $m_url = '';
     var $m_urlpath = '';
     var $m_scheme = 'http';
@@ -268,6 +268,12 @@ class DedeHttpDown
         @fclose($this->m_fp);
         return $this->m_html;
     }
+    /**
+     *  获取请求解析后的JSON数据
+     *
+     * @access    public
+     * @return    mixed
+     */
     function GetJSON()
     {
         if ($this->m_html != '') {
@@ -285,6 +291,25 @@ class DedeHttpDown
         @fclose($this->m_fp);
         return json_decode($this->m_html);
     }
+    /**
+     *  判断当前是否是https站点
+     *
+     * @access    public
+     * @return    bool
+     */
+    function IsSSL()
+    {
+        if ($_SERVER['HTTPS'] && ('1' == $_SERVER['HTTPS'] || 'on' == strtolower($_SERVER['HTTPS']))) {
+            return true;
+        } elseif ('https' == $_SERVER['REQUEST_SCHEME']) {
+            return true;
+        } elseif ('443' == $_SERVER['SERVER_PORT']) {
+            return true;
+        } elseif ('https' == $_SERVER['HTTP_X_FORWARDED_PROTO']) {
+            return true;
+        }
+        return false;
+    }
     /**
      *  开始HTTP会话
      *
@@ -555,16 +580,17 @@ class DedeHttpDown
             return "";
         }
         $pos = strpos($surl, "#");
+        $proto = $this->IsSSL()? "https://" : "http://";
         if ($pos > 0) {
             $surl = substr($surl, 0, $pos);
         }
         if ($surl[0] == "/") {
-            $okurl = "http://".$this->HomeUrl.$surl;
+            $okurl = $proto .$this->HomeUrl.$surl;
         } else if ($surl[0] == ".") {
             if (strlen($surl) <= 1) {
                 return "";
             } else if ($surl[1] == "/") {
-                $okurl = "http://".$this->BaseUrlPath."/".substr($surl, 2, strlen($surl) - 2);
+                $okurl =  $proto.$this->BaseUrlPath."/".substr($surl, 2, strlen($surl) - 2);
             } else {
                 $urls = explode("/", $surl);
                 foreach ($urls as $u) {
@@ -581,7 +607,7 @@ class DedeHttpDown
                 if (count($urls) <= $pathStep) {
                     return "";
                 } else {
-                    $pstr = "http://";
+                    $pstr = $proto;
                     for ($i = 0; $i < count($urls) - $pathStep; $i++) {
                         $pstr .= $urls[$i]."/";
                     }
@@ -590,15 +616,17 @@ class DedeHttpDown
             }
         } else {
             if (strlen($surl) < 7) {
-                $okurl = "http://".$this->BaseUrlPath."/".$surl;
+                $okurl = $proto .$this->BaseUrlPath."/".$surl;
             } else if (strtolower(substr($surl, 0, 7)) == "http://") {
                 $okurl = $surl;
+            } else if (strtolower(substr($surl, 0, 8)) == "https://") {
+                $okurl = $surl;
             } else {
-                $okurl = "http://".$this->BaseUrlPath."/".$surl;
+                $okurl = $proto.$this->BaseUrlPath."/".$surl;
             }
         }
-        $okurl = preg_replace("/^(http:\/\/)/i", "", $okurl);
+        $okurl = preg_replace("/^((http|https):\/\/)/i", "", $okurl);
         $okurl = preg_replace("/\/{1,}/", "/", $okurl);
-        return "http://".$okurl;
+        return $proto.$okurl;
     }
 }//End Class
\ No newline at end of file
diff --git a/src/system/taglib/arclist.lib.php b/src/system/taglib/arclist.lib.php
index 339f41da..f67987e6 100755
--- a/src/system/taglib/arclist.lib.php
+++ b/src/system/taglib/arclist.lib.php
@@ -359,7 +359,7 @@ function lib_arclistDone (&$refObj, &$ctag, $typeid=0, $row=10, $col=1, $titlele
                 if ($row['litpic'] == '-' || $row['litpic'] == '') {
                     $row['litpic'] = $GLOBALS['cfg_cmspath'].'/static/web/img/defaultpic.jpg';
                 }
-                if (!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
+                if (!preg_match("#^(http|https):\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
                     $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];
                 }
                 $row['picname'] = $row['litpic'];
diff --git a/src/system/taglib/arclistsg.lib.php b/src/system/taglib/arclistsg.lib.php
index b6e0ee55..39bf228d 100755
--- a/src/system/taglib/arclistsg.lib.php
+++ b/src/system/taglib/arclistsg.lib.php
@@ -185,7 +185,7 @@ function lib_arclistsg(&$ctag, &$refObj)
                 if ($row['litpic'] == '-' || $row['litpic'] == '') {
                     $row['litpic'] = $GLOBALS['cfg_cmspath'].'/static/web/img/defaultpic.jpg';
                 }
-                if (!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
+                if (!preg_match("#^(http|https):\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
                     $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];
                 }
                 $row['picname'] = $row['litpic'];
diff --git a/src/system/taglib/likearticle.lib.php b/src/system/taglib/likearticle.lib.php
index b63e7993..373054c8 100755
--- a/src/system/taglib/likearticle.lib.php
+++ b/src/system/taglib/likearticle.lib.php
@@ -131,7 +131,7 @@ function lib_likearticle(&$ctag, &$refObj)
                 if ($row['litpic'] == '-' || $row['litpic'] == '') {
                     $row['litpic'] = $GLOBALS['cfg_cmspath'].'/static/web/img/defaultpic.jpg';
                 }
-                if (!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
+                if (!preg_match("#^(http|https):\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
                     $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];
                 }
                 $row['picname'] = $row['litpic'];
diff --git a/src/system/taglib/relation.lib.php b/src/system/taglib/relation.lib.php
index d6a45805..313bcaf8 100644
--- a/src/system/taglib/relation.lib.php
+++ b/src/system/taglib/relation.lib.php
@@ -118,7 +118,7 @@ function lib_relation(&$ctag, &$refObj)
                 if ($row['litpic'] == '-' || $row['litpic'] == '') {
                     $row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif';
                 }
-                if (!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
+                if (!preg_match("#^(http|https):\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
                     $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];
                 }
                 $row['picname'] = $row['litpic'];
diff --git a/src/user/inc/inc_archives_functions.php b/src/user/inc/inc_archives_functions.php
index 3e2a88cf..ed55cb54 100755
--- a/src/user/inc/inc_archives_functions.php
+++ b/src/user/inc/inc_archives_functions.php
@@ -27,7 +27,7 @@ function GetCurContentAlbum($body, $rfurl, &$firstdd)
     include_once(DEDEINC."/dedecollection.func.php");
     if (empty($ddmaxwidth)) $ddmaxwidth = 240;
     $rsimg = '';
-    $basehost = "http://".$_SERVER["HTTP_HOST"];
+    $basehost = IsSSL()? "https://".$_SERVER["HTTP_HOST"] : "http://".$_SERVER["HTTP_HOST"];
     $img_array = array();
     preg_match_all("/(src)=[\"|'| ]{0,}(http:\/\/([^>]*)\.(gif|jpg|png))/isU", $body, $img_array);
     $img_array = array_unique($img_array[2]);
@@ -300,7 +300,7 @@ function GetCurContent(&$body)
     global $cfg_multi_site, $cfg_basehost, $cfg_basedir, $cfg_user_dir, $title, $cfg_ml;
     include_once(DEDEINC."/dedecollection.func.php");
     $htd = new DedeHttpDown();
-    $basehost = "http://".$_SERVER["HTTP_HOST"];
+    $basehost = IsSSL()? "https://".$_SERVER["HTTP_HOST"] : "http://".$_SERVER["HTTP_HOST"];
     $img_array = array();
     preg_match_all("/(src|SRC)=[\"|'| ]{0,}(http[s]?:\/\/([^>]*)\.(gif|jpg|png))/isU", $body, $img_array);
     $img_array = array_unique($img_array[2]);
@@ -318,7 +318,7 @@ function GetCurContent(&$body)
         if ($cfg_basehost != $basehost && preg_match("#".$cfg_basehost."#i", $value)) {
             continue;
         }
-        if (!preg_match("#^http:\/\/#i", $value)) {
+        if (!preg_match("#^(http|https):\/\/#i", $value)) {
             continue;
         }
         $htd->OpenUrl($value);
diff --git a/src/user/index_do.php b/src/user/index_do.php
index 657d67ce..d1eb789a 100755
--- a/src/user/index_do.php
+++ b/src/user/index_do.php
@@ -24,14 +24,15 @@ if ($fmdo == 'sendMail') {
     $userhash = md5($cfg_cookie_encode.'--'.$cfg_ml->fields['mid'].'--'.$cfg_ml->fields['email']);
     $url = $cfg_basehost.(empty($cfg_cmspath) ? '/' : $cfg_cmspath)."/user/index_do.php?fmdo=checkMail&mid={$cfg_ml->fields['mid']}&userhash={$userhash}&do=1";
     $url = preg_replace("#http:\/\/#i", '', $url);
-    $url = 'http://'.preg_replace("#\/\/#i", '/', $url);
+    $proto = IsSSL()? "https://" : "http://";
+    $url = $proto.preg_replace("#\/\/#i", '/', $url);
     $mailtitle = "{$cfg_webname}--会员邮件验证通知";
     $mailbody = '';
     $mailbody .= "尊敬的用户[{$cfg_ml->fields['uname']}]，您好：\r\n";
     $mailbody .= "欢迎注册成为[{$cfg_webname}]的会员\r\n";
     $mailbody .= "要通过注册，还必须进行最后一步操作，请点击或复制下面链接到地址栏访问这地址：\r\n\r\n";
     $mailbody .= "{$url}\r\n\r\n";
-    $mailbody .= "Power by DedeBIZ内容管理系统\r\n";
+    $mailbody .= "Powered by DedeBIZ内容管理系统\r\n";
     $headers = "From: ".$cfg_adminemail."\r\nReply-To: ".$cfg_adminemail;
     if (!empty($cfg_bizcore_appid) && !empty($cfg_bizcore_key)) {
         $client = new DedeBizClient($cfg_bizcore_hostname, $cfg_bizcore_port);