diff --git a/public/core.php b/public/core.php
index b558dcabb47e11bf858bc93d0eceae92a8fbdbd9..cb1351d5e53d35b2573e6d83fba38f598c416b21 100755
--- a/public/core.php
+++ b/public/core.php
@@ -25,17 +25,27 @@ define('DS', '/');
 
 // HTTP类型
 define('__MY_HTTP__', (
-    (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') 
-    || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') 
-    || (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && (strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off' || $_SERVER['HTTP_FRONT_END_HTTPS'] == 'https')) 
-    || (!empty($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == 443) 
-    || (!empty($_SERVER['HTTP_FROM_HTTPS']) && $_SERVER['HTTP_FROM_HTTPS'] !== 'off') 
-    || (!empty($_SERVER['HTTP_X_CLIENT_SCHEME']) && $_SERVER['HTTP_X_CLIENT_SCHEME'] == 'https') 
+    (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')
+    || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https')
+    || (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && (strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off' || $_SERVER['HTTP_FRONT_END_HTTPS'] == 'https'))
+    || (!empty($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == 443)
+    || (!empty($_SERVER['HTTP_FROM_HTTPS']) && $_SERVER['HTTP_FROM_HTTPS'] !== 'off')
+    || (!empty($_SERVER['HTTP_X_CLIENT_SCHEME']) && $_SERVER['HTTP_X_CLIENT_SCHEME'] == 'https')
     || (isset($_SERVER['REQUEST_SCHEME']) && $_SERVER['REQUEST_SCHEME'] == 'https')
 ) ? 'https' : 'http');
 
 // 根目录
-$my_root = empty($_SERVER['SCRIPT_NAME']) ? '' : substr($_SERVER['SCRIPT_NAME'], 1, strrpos($_SERVER['SCRIPT_NAME'], '/'));
+$my_root = '';
+if(!empty($_SERVER['SCRIPT_NAME']))
+{
+    $index_pos = strpos($_SERVER['SCRIPT_NAME'], 'index.php');
+    if($index_pos !== false)
+    {
+        $my_root = substr($_SERVER['SCRIPT_NAME'], 1, $index_pos-1);
+    } else {
+        $my_root = substr($_SERVER['SCRIPT_NAME'], 1, strrpos($_SERVER['SCRIPT_NAME'], '/'));
+    }
+}
 define('__MY_ROOT__', defined('IS_ROOT_ACCESS') ? $my_root : str_replace('public'.DS, '', $my_root));
 define('__MY_ROOT_PUBLIC__', defined('IS_ROOT_ACCESS') ? DS.$my_root.'public'.DS : DS.$my_root);
 
@@ -83,4 +93,4 @@ define('IS_POST', isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'
 
 // 是否ajax
 define('IS_AJAX', ((isset($_SERVER['HTTP_X_REQUESTED_WITH']) && 'xmlhttprequest' == strtolower($_SERVER['HTTP_X_REQUESTED_WITH'])) || isset($_REQUEST['ajax']) && $_REQUEST['ajax'] == 'ajax'));
-?>
\ No newline at end of file
+?>