diff --git a/convention.php b/convention.php
index a35ac0b9..c66ef583 100644
--- a/convention.php
+++ b/convention.php
@@ -203,6 +203,8 @@ return [
         'type'           => '',
         // 是否自动开启 SESSION
         'auto_start'     => true,
+        'httponly'       => true,
+        'secure'         => true,
     ],
 
     // +----------------------------------------------------------------------
diff --git a/library/think/Console.php b/library/think/Console.php
index 233489b5..1d97ab2b 100644
--- a/library/think/Console.php
+++ b/library/think/Console.php
@@ -88,18 +88,19 @@ class Console
     }
 
     /**
-     * @param       $command
-     * @param array $parameters
+     * @param        $command
+     * @param array  $parameters
+     * @param string $driver
      * @return Output|Buffer
      */
-    public static function call($command, array $parameters = [])
+    public static function call($command, array $parameters = [], $driver = 'buffer')
     {
         $console = self::init(false);
 
         array_unshift($parameters, $command);
 
         $input  = new Input($parameters);
-        $output = new Output('buffer');
+        $output = new Output($driver);
 
         $console->setCatchExceptions(false);
         $console->find($command)->run($input, $output);
diff --git a/library/think/Model.php b/library/think/Model.php
index b520f801..0491e551 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -438,7 +438,11 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             // 类型转换
             $value = $this->readTransform($value, $this->type[$name]);
         } elseif (in_array($name, [$this->createTime, $this->updateTime])) {
-            $value = $this->formatDateTime($value, $this->dateFormat);
+            if (is_string($this->autoWriteTimestamp) && in_array(strtolower($this->autoWriteTimestamp), ['datetime', 'date', 'timestamp'])) {
+                $value = $this->formatDateTime(strtotime($value), $this->dateFormat);
+            } else {
+                $value = $this->formatDateTime($value, $this->dateFormat);
+            }
         } elseif ($notFound) {
             $method = Loader::parseName($name, 1, false);
             if (method_exists($this, $method) && $this->$method() instanceof Relation) {
@@ -724,7 +728,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         $this->autoCompleteData($this->auto);
 
         // 自动写入更新时间
-        if ($this->autoWriteTimestamp && $this->updateTime && !isset($this->data[$this->updateTime])) {
+        if ($this->autoWriteTimestamp && $this->updateTime && (empty($this->change) || !in_array($this->updateTime, $this->change))) {
             $this->setAttr($this->updateTime, null);
         }
 
@@ -781,7 +785,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             $this->autoCompleteData($this->insert);
 
             // 自动写入创建时间
-            if ($this->autoWriteTimestamp && $this->createTime && !isset($this->data[$this->createTime])) {
+            if ($this->autoWriteTimestamp && $this->createTime && (empty($this->change) || !in_array($this->createTime, $this->change))) {
                 $this->setAttr($this->createTime, null);
             }
 
diff --git a/library/think/Route.php b/library/think/Route.php
index 4f08e911..1629d636 100644
--- a/library/think/Route.php
+++ b/library/think/Route.php
@@ -1097,7 +1097,7 @@ class Route
      * 绑定到模块/控制器
      * @access public
      * @param string    $url URL地址
-     * @param string    $class 控制器类名（带命名空间）
+     * @param string    $controller 控制器类名（带命名空间）
      * @param string    $depr URL分隔符
      * @return array
      */
diff --git a/library/think/Session.php b/library/think/Session.php
index 48f23caa..35726220 100644
--- a/library/think/Session.php
+++ b/library/think/Session.php
@@ -77,7 +77,12 @@ class Session
             ini_set('session.gc_maxlifetime', $config['expire']);
             ini_set('session.cookie_lifetime', $config['expire']);
         }
-
+        if (isset($config['secure'])) {
+            ini_set('session.cookie_secure', $config['secure']);
+        }
+        if (isset($config['httponly'])) {
+            ini_set('session.cookie_httponly', $config['httponly']);
+        }
         if (isset($config['use_cookies'])) {
             ini_set('session.use_cookies', $config['use_cookies'] ? 1 : 0);
         }
diff --git a/library/think/cache/driver/File.php b/library/think/cache/driver/File.php
index 6f52693b..dba02c3e 100644
--- a/library/think/cache/driver/File.php
+++ b/library/think/cache/driver/File.php
@@ -21,7 +21,7 @@ class File extends Driver
 {
     protected $options = [
         'expire'        => 0,
-        'cache_subdir'  => false,
+        'cache_subdir'  => true,
         'prefix'        => '',
         'path'          => CACHE_PATH,
         'data_compress' => false,
diff --git a/library/think/db/Connection.php b/library/think/db/Connection.php
index 580dd10d..4e18f812 100644
--- a/library/think/db/Connection.php
+++ b/library/think/db/Connection.php
@@ -95,6 +95,8 @@ abstract class Connection
         'slave_no'        => '',
         // 是否严格检查字段是否存在
         'fields_strict'   => true,
+        // 数据返回类型
+        'result_type'     => PDO::FETCH_ASSOC,
         // 数据集返回类型
         'resultset_type'  => 'array',
         // 自动写入时间戳字段
@@ -272,6 +274,10 @@ abstract class Connection
             if (isset($config['resultset_type'])) {
                 $this->resultSetType = $config['resultset_type'];
             }
+            // 数据返回类型
+            if (isset($config['result_type'])) {
+                $this->fetchType = $config['result_type'];
+            }
             try {
                 if (empty($config['dsn'])) {
                     $config['dsn'] = $this->parseDsn($config);
@@ -326,6 +332,10 @@ abstract class Connection
      * @param array     $bind 参数绑定
      * @param bool      $master 是否在主服务器读操作
      * @param bool      $class 是否返回PDO对象
+     * @param string        $sql sql指令
+     * @param array         $bind 参数绑定
+     * @param boolean       $master 是否在主服务器读操作
+     * @param bool          $pdo 是否返回PDO对象
      * @return mixed
      * @throws BindParamException
      * @throws PDOException
@@ -369,7 +379,7 @@ abstract class Connection
             // 调试结束
             $this->debug(false);
             // 返回结果集
-            return $this->getResult($class, $procedure);
+            return $this->getResult($pdo, $procedure);
         } catch (\PDOException $e) {
             throw new PDOException($e, $this->config, $this->getLastsql());
         }
diff --git a/library/think/model/relation/BelongsToMany.php b/library/think/model/relation/BelongsToMany.php
index bbab3714..428620a2 100644
--- a/library/think/model/relation/BelongsToMany.php
+++ b/library/think/model/relation/BelongsToMany.php
@@ -308,7 +308,7 @@ class BelongsToMany extends Relation
      * @param bool              $relationDel 是否同时删除关联表数据
      * @return integer
      */
-    public function detach($data, $relationDel = false)
+    public function detach($data = null, $relationDel = false)
     {
         if (is_array($data)) {
             $id = $data;
diff --git a/library/think/template/taglib/Cx.php b/library/think/template/taglib/Cx.php
index 8132c178..1a23c764 100644
--- a/library/think/template/taglib/Cx.php
+++ b/library/think/template/taglib/Cx.php
@@ -431,7 +431,7 @@ class Cx extends Taglib
     {
         $name     = $tag['name'];
         $name     = $this->autoBuildVar($name);
-        $parseStr = '<?php $_var = ' . $name . ';if(empty($_var) || ($_var instanceof \think\Collection && $_var->isEmpty())): ?>' . $content . '<?php endif; ?>';
+        $parseStr = '<?php if(empty(' . $name . ') || (' . $name . ' instanceof \think\Collection && ' . $name . '->isEmpty())): ?>' . $content . '<?php endif; ?>';
         return $parseStr;
     }
 
@@ -448,7 +448,7 @@ class Cx extends Taglib
     {
         $name     = $tag['name'];
         $name     = $this->autoBuildVar($name);
-        $parseStr = '<?php $_var = ' . $name . ';if(!(empty($_var) || ($_var instanceof \think\Collection && $_var->isEmpty()))): ?>' . $content . '<?php endif; ?>';
+        $parseStr = '<?php if(!(empty(' . $name . ') || (' . $name . ' instanceof \think\Collection && ' . $name . '->isEmpty()))): ?>' . $content . '<?php endif; ?>';
         return $parseStr;
     }
 
diff --git a/tests/thinkphp/library/think/template/taglib/cxTest.php b/tests/thinkphp/library/think/template/taglib/cxTest.php
index 54a8a931..c1c67413 100644
--- a/tests/thinkphp/library/think/template/taglib/cxTest.php
+++ b/tests/thinkphp/library/think/template/taglib/cxTest.php
@@ -389,7 +389,7 @@ default
 {/empty}
 EOF;
         $data = <<<EOF
-<?php \$_var = \$var;if(empty(\$_var) || (\$_var instanceof \\think\\Collection && \$_var->isEmpty())): ?>
+<?php if(empty(\$var) || (\$var instanceof \\think\\Collection && \$var->isEmpty())): ?>
 default
 <?php endif; ?>
 EOF;
@@ -402,7 +402,7 @@ default
 {/notempty}
 EOF;
         $data = <<<EOF
-<?php \$_var = \$var;if(!(empty(\$_var) || (\$_var instanceof \\think\\Collection && \$_var->isEmpty()))): ?>
+<?php if(!(empty(\$var) || (\$var instanceof \\think\\Collection && \$var->isEmpty()))): ?>
 default
 <?php endif; ?>
 EOF;
@@ -538,13 +538,13 @@ EOF;
     public function testUrl()
     {
         $template = new template();
-        $content  = <<<EOF
+        $content = <<<EOF
 {url link="Index/index"  /}
 EOF;
         $template->display($content);
         $this->expectOutputString(\think\Url::build('Index/index'));
     }
-
+    
     public function testFunction()
     {
         $template = new template();