diff --git a/library/think/Session.php b/library/think/Session.php
index fc4017fc..cfb0e59b 100644
--- a/library/think/Session.php
+++ b/library/think/Session.php
@@ -109,7 +109,7 @@ class Session
      */
     public static function set($name, $value = '', $prefix = null)
     {
-        !self::$active) &&  self::init();
+        !self::$active && self::init();
         $prefix = !is_null($prefix) ? $prefix : self::$prefix;
         if (strpos($name, '.')) {
             // 二维数组赋值
@@ -134,7 +134,7 @@ class Session
      */
     public static function get($name = '', $prefix = null)
     {
-        !self::$active) &&  self::init();
+        !self::$active && self::init();
         $prefix = !is_null($prefix) ? $prefix : self::$prefix;
         if ('' == $name) {
             // 获取全部的session
@@ -166,7 +166,7 @@ class Session
      */
     public static function delete($name, $prefix = null)
     {
-        !self::$active) &&  self::init();     
+        !self::$active && self::init();
         $prefix = !is_null($prefix) ? $prefix : self::$prefix;
         if (strpos($name, '.')) {
             list($name1, $name2) = explode('.', $name);
@@ -191,7 +191,7 @@ class Session
      */
     public static function clear($prefix = null)
     {
-        !self::$active) &&  self::init();
+        !self::$active && self::init();
         $prefix = !is_null($prefix) ? $prefix : self::$prefix;
         if ($prefix) {
             unset($_SESSION[$prefix]);
@@ -209,9 +209,7 @@ class Session
      */
     public static function has($name, $prefix = null)
     {
-        if (!self::$active) {
-            self::init();
-        }
+        !self::$active && self::init();
         $prefix = !is_null($prefix) ? $prefix : self::$prefix;
         if (strpos($name, '.')) {
             // 支持数组