修改

Application/Admin/Conf/config.php

@@ -103,6 +103,7 @@ return array(
 
     /* SESSION 和 COOKIE 配置 */
     'SESSION_PREFIX' => 'onethink_admin', //session前缀
+    'SESSION_COOKIE_PATH' => '/admin.php',
     'COOKIE_PREFIX'  => 'onethink_admin_', // Cookie前缀 避免冲突
     'VAR_SESSION_ID' => 'session_id',	//修复uploadify插件无法传递session_id的bug
 

Application/Home/Conf/config.php

@@ -70,6 +70,7 @@ return array(
 
     /* SESSION 和 COOKIE 配置 */
     'SESSION_PREFIX' => 'onethink_home', //session前缀
+    'SESSION_COOKIE_PATH' => '/index.php',
     'COOKIE_PREFIX'  => 'onethink_home_', // Cookie前缀 避免冲突
     
     

ThinkPHP/Common/functions.php

@@ -1243,6 +1243,9 @@ function session($name='',$value='') {
         if(isset($name['name']))            session_name($name['name']);
         if(isset($name['path']))            session_save_path($name['path']);
         if(isset($name['domain']))          ini_set('session.cookie_domain', $name['domain']);
+        if (C('SESSION_COOKIE_PATH')) {
+            ini_set('session.cookie_path', C('SESSION_COOKIE_PATH'));
+        }
         if(isset($name['expire']))          {
             ini_set('session.gc_maxlifetime',   $name['expire']);
             ini_set('session.cookie_lifetime',  99999999);