diff --git a/.DS_Store b/.DS_Store
index d20a3d2..a61c8b0 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/com_eis/.DS_Store b/com_eis/.DS_Store
index 804a215..5423f05 100644
Binary files a/com_eis/.DS_Store and b/com_eis/.DS_Store differ
diff --git a/com_eis/Archiv.zip b/com_eis/Archiv.zip
index cdaf0cd..7dcf0a2 100644
Binary files a/com_eis/Archiv.zip and b/com_eis/Archiv.zip differ
diff --git a/com_eis/install/.DS_Store b/com_eis/administrator/.DS_Store
similarity index 74%
rename from com_eis/install/.DS_Store
rename to com_eis/administrator/.DS_Store
index 2ea210a..43d88e8 100644
Binary files a/com_eis/install/.DS_Store and b/com_eis/administrator/.DS_Store differ
diff --git a/com_eis/language/.DS_Store b/com_eis/administrator/language/.DS_Store
similarity index 92%
rename from com_eis/language/.DS_Store
rename to com_eis/administrator/language/.DS_Store
index 58951d7..706556e 100644
Binary files a/com_eis/language/.DS_Store and b/com_eis/administrator/language/.DS_Store differ
diff --git a/com_eis/language/de-DE/de-DE.com_eis.ini b/com_eis/administrator/language/de-DE/de-DE.com_eis.ini
similarity index 100%
rename from com_eis/language/de-DE/de-DE.com_eis.ini
rename to com_eis/administrator/language/de-DE/de-DE.com_eis.ini
diff --git a/com_eis/language/de-DE/de-DE.com_eis.sys.ini b/com_eis/administrator/language/de-DE/de-DE.com_eis.sys.ini
similarity index 100%
rename from com_eis/language/de-DE/de-DE.com_eis.sys.ini
rename to com_eis/administrator/language/de-DE/de-DE.com_eis.sys.ini
diff --git a/com_eis/language/en-GB/en-GB.com_eis.ini b/com_eis/administrator/language/en-GB/en-GB.com_eis.ini
similarity index 100%
rename from com_eis/language/en-GB/en-GB.com_eis.ini
rename to com_eis/administrator/language/en-GB/en-GB.com_eis.ini
diff --git a/com_eis/language/en-GB/en-GB.com_eis.sys.ini b/com_eis/administrator/language/en-GB/en-GB.com_eis.sys.ini
similarity index 100%
rename from com_eis/language/en-GB/en-GB.com_eis.sys.ini
rename to com_eis/administrator/language/en-GB/en-GB.com_eis.sys.ini
diff --git a/com_eis/services/provider.php b/com_eis/administrator/services/provider.php
similarity index 100%
rename from com_eis/services/provider.php
rename to com_eis/administrator/services/provider.php
diff --git a/com_eis/install/sql/mysql/install.utf8.sql b/com_eis/administrator/sql/install.mysql.utf8.sql
similarity index 100%
rename from com_eis/install/sql/mysql/install.utf8.sql
rename to com_eis/administrator/sql/install.mysql.utf8.sql
diff --git a/com_eis/install/sql/mysql/uninstall.mysql.utf8.sql b/com_eis/administrator/sql/uninstall.mysql.utf8.sql
similarity index 100%
rename from com_eis/install/sql/mysql/uninstall.mysql.utf8.sql
rename to com_eis/administrator/sql/uninstall.mysql.utf8.sql
diff --git a/com_eis/administrator/sql/updates/1.1.2.sql b/com_eis/administrator/sql/updates/1.1.2.sql
new file mode 100644
index 0000000..55cbf1f
--- /dev/null
+++ b/com_eis/administrator/sql/updates/1.1.2.sql
@@ -0,0 +1,61 @@
+-- UTF-8, kein BOM
+-- EIS – Schema-Update 1.1.1
+-- Ziel: fehlende Tabellen anlegen, fehlende Spalten/Indizes ergänzen.
+
+-- ==========================================================
+-- 1) Einstellungen (neu in 1.1.1)
+-- ==========================================================
+CREATE TABLE IF NOT EXISTS `#__eis_settings` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `param` VARCHAR(191) NOT NULL,
+  `value` TEXT NULL,
+  `created` DATETIME NULL DEFAULT NULL,
+  `modified` DATETIME NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uniq_param` (`param`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+INSERT IGNORE INTO `#__eis_settings` (`param`, `value`, `created`, `modified`)
+VALUES ('document_root', '', NOW(), NOW());
+
+-- ==========================================================
+-- 2) Dokumente (Bestand absichern)
+--    Falls ältere Installationen die Tabelle nicht haben.
+-- ==========================================================
+CREATE TABLE IF NOT EXISTS `#__eis_documents` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `name` VARCHAR(255) NOT NULL,
+  `path` TEXT NOT NULL,
+  `parent_id` INT UNSIGNED DEFAULT NULL,
+  `is_folder` TINYINT(1) NOT NULL DEFAULT 0,
+  `title` VARCHAR(255) DEFAULT NULL,
+  `description` TEXT DEFAULT NULL,
+  `ordering` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- Falls es Altbestände ohne neue Spalten gab, Spalten idempotent ergänzen
+ALTER TABLE `#__eis_documents`
+  ADD COLUMN IF NOT EXISTS `title` VARCHAR(255) DEFAULT NULL,
+  ADD COLUMN IF NOT EXISTS `description` TEXT DEFAULT NULL,
+  ADD COLUMN IF NOT EXISTS `ordering` INT NOT NULL DEFAULT 0,
+  MODIFY COLUMN `is_folder` TINYINT(1) NOT NULL DEFAULT 0;
+
+-- Nützliche Indizes (idempotent)
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_parent`   ON `#__eis_documents` (`parent_id`);
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_ordering` ON `#__eis_documents` (`ordering`);
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_name`     ON `#__eis_documents` (`name`);
+
+-- Optional: Selbst-Referenz als FK (nur wenn du ON DELETE CASCADE willst)
+-- Achtung: MySQL verlangt gleiche Kollation/Engine; Namen idempotent prüfen:
+-- (MySQL kennt kein "ADD CONSTRAINT IF NOT EXISTS", daher defensiv erst droppen)
+-- SET @fk_exists := (
+--   SELECT COUNT(*)
+--   FROM information_schema.REFERENTIAL_CONSTRAINTS
+--   WHERE CONSTRAINT_SCHEMA = DATABASE()
+--     AND CONSTRAINT_NAME = 'fk_eis_docs_parent'
+-- );
+-- SET @sql := IF(@fk_exists = 0,
+--   'ALTER TABLE `#__eis_documents` ADD CONSTRAINT `fk_eis_docs_parent` FOREIGN KEY (`parent_id`) REFERENCES `#__eis_documents`(`id`) ON DELETE CASCADE;',
+--   'SELECT 1');
+-- PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
diff --git a/com_eis/src/.DS_Store b/com_eis/administrator/src/.DS_Store
similarity index 100%
rename from com_eis/src/.DS_Store
rename to com_eis/administrator/src/.DS_Store
diff --git a/com_eis/src/Controller/ConfigController.php b/com_eis/administrator/src/Controller/ConfigController.php
similarity index 100%
rename from com_eis/src/Controller/ConfigController.php
rename to com_eis/administrator/src/Controller/ConfigController.php
diff --git a/com_eis/src/Controller/DisplayController.php b/com_eis/administrator/src/Controller/DisplayController.php
similarity index 100%
rename from com_eis/src/Controller/DisplayController.php
rename to com_eis/administrator/src/Controller/DisplayController.php
diff --git a/com_eis/src/Extension/EISComponent.php b/com_eis/administrator/src/Extension/EISComponent.php
similarity index 100%
rename from com_eis/src/Extension/EISComponent.php
rename to com_eis/administrator/src/Extension/EISComponent.php
diff --git a/com_eis/src/Helper/TreeHelper.php b/com_eis/administrator/src/Helper/TreeHelper.php
similarity index 100%
rename from com_eis/src/Helper/TreeHelper.php
rename to com_eis/administrator/src/Helper/TreeHelper.php
diff --git a/com_eis/src/View/.DS_Store b/com_eis/administrator/src/View/.DS_Store
similarity index 100%
rename from com_eis/src/View/.DS_Store
rename to com_eis/administrator/src/View/.DS_Store
diff --git a/com_eis/src/View/Config/HtmlView.php b/com_eis/administrator/src/View/Config/HtmlView.php
similarity index 100%
rename from com_eis/src/View/Config/HtmlView.php
rename to com_eis/administrator/src/View/Config/HtmlView.php
diff --git a/com_eis/src/View/Main/HtmlView.php b/com_eis/administrator/src/View/Main/HtmlView.php
similarity index 100%
rename from com_eis/src/View/Main/HtmlView.php
rename to com_eis/administrator/src/View/Main/HtmlView.php
diff --git a/com_eis/tmpl/.DS_Store b/com_eis/administrator/tmpl/.DS_Store
similarity index 100%
rename from com_eis/tmpl/.DS_Store
rename to com_eis/administrator/tmpl/.DS_Store
diff --git a/com_eis/tmpl/config/default.php b/com_eis/administrator/tmpl/config/default.php
similarity index 100%
rename from com_eis/tmpl/config/default.php
rename to com_eis/administrator/tmpl/config/default.php
diff --git a/com_eis/tmpl/main/default.php b/com_eis/administrator/tmpl/main/default.php
similarity index 100%
rename from com_eis/tmpl/main/default.php
rename to com_eis/administrator/tmpl/main/default.php
diff --git a/com_eis/eis.xml b/com_eis/eis.xml
index 8764c6d..3c71870 100644
--- a/com_eis/eis.xml
+++ b/com_eis/eis.xml
@@ -1,52 +1,51 @@
-<?xml version="1.0" encoding="utf-8"?>
-<extension type="component" method="install">
-    <install>
-        <sql>
-            <file driver="mysql" charset="utf8">install/sql/mysql/install.utf8.sql</file>
-        </sql>
-    </install>
-    <uninstall>
-        <sql>
-            <file driver="mysql" charset="utf8">install/sql/mysql/uninstall.mysql.utf8.sql</file>
-        </sql>
-    </uninstall>
+<extension type="component" method="upgrade">
     <name>com_eis</name>
-    <creationDate>2025-09-18</creationDate>
-    <author>Thomas Spohr powert by OpenAI</author>
-    <version>1.0.1</version>
-    <description>EIS Komponente</description>
+    <version>1.1.3</version>
     <namespace path="src">EIS\Component\EIS</namespace>
-    
-        <files folder="site"> 
-            <folder>src</folder>
-        </files>
-    
-    
+
+    <files folder="site">
+        <folder>src</folder>
+    </files>
+
     <administration>
         <menu>COM_EIS_MENU</menu>
         <submenu>
             <menu link="option=com_eis&amp;view=main">COM_EIS_MAIN</menu>
             <menu link="option=com_eis&amp;view=config">COM_EIS_CONFIG</menu>
         </submenu>
-
-        <files client="administrator">
-            <folder>sql</folder>
+        <files folder="administrator">
             <folder>src</folder>
             <folder>tmpl</folder>
-            <folder>install</folder>
+            <folder>sql</folder>
             <folder>language</folder>
             <folder>services</folder>
         </files>
-        <languages folder="language/en-GB">
+        <languages folder="administrator/language/en-GB">
             <language tag="en-GB">en-GB.com_eis.ini</language>
             <language tag="en-GB">en-GB.com_eis.sys.ini</language>
         </languages>
-         <!-- DE (Backend) -->
-    <languages folder="language/de-DE">
-        <language tag="de-DE">de-DE.com_eis.ini</language>
-        <language tag="de-DE">de-DE.com_eis.sys.ini</language>
-    </languages>
+        <languages folder="administrator/language/de-DE">
+            <language tag="de-DE">de-DE.com_eis.ini</language>
+            <language tag="de-DE">de-DE.com_eis.sys.ini</language>
+        </languages>
     </administration>
+
+
+    <install>
+        <sql>
+            <file driver="mysql" charset="utf8">sql/install.mysql.utf8.sql</file>
+        </sql>
+    </install>
+    <uninstall>
+        <sql>
+            <file driver="mysql" charset="utf8">sql/uninstall.mysql.utf8.sql</file>
+        </sql>
+    </uninstall>
+    <schemas>
+        <schemapath type="mysql">sql/updates/mysql</schemapath>
+    </schemas>
+
+
     <media folder="media" destination="com_eis">
         <folder>pdfjs</folder>
     </media>
diff --git a/com_eis/install/sql/.DS_Store b/com_eis/install/sql/.DS_Store
deleted file mode 100644
index 8c581de..0000000
Binary files a/com_eis/install/sql/.DS_Store and /dev/null differ
diff --git a/com_eis/media/.DS_Store b/com_eis/media/.DS_Store
index 065f1e0..98672fe 100644
Binary files a/com_eis/media/.DS_Store and b/com_eis/media/.DS_Store differ
diff --git a/com_eis/media/pdfjs/.DS_Store b/com_eis/media/pdfjs/.DS_Store
index e358251..6f9bd6e 100644
Binary files a/com_eis/media/pdfjs/.DS_Store and b/com_eis/media/pdfjs/.DS_Store differ
diff --git a/com_eis/media/pdfjs/web/.DS_Store b/com_eis/media/pdfjs/web/.DS_Store
index 1be4a11..7f5adfb 100644
Binary files a/com_eis/media/pdfjs/web/.DS_Store and b/com_eis/media/pdfjs/web/.DS_Store differ
diff --git a/com_eis/sql/install/mysql/install.mysql.sql b/com_eis/sql/install/mysql/install.mysql.sql
deleted file mode 100644
index 518d930..0000000
--- a/com_eis/sql/install/mysql/install.mysql.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-CREATE TABLE IF NOT EXISTS `#__eis_documents` (
-  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
-  `name` VARCHAR(255) NOT NULL,
-  `path` TEXT NOT NULL,
-  `parent_id` INT UNSIGNED DEFAULT NULL,
-  `is_folder` TINYINT(1) DEFAULT 0,
-  PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
\ No newline at end of file