diff --git a/extend/catcher/CatchCacheKeys.php b/extend/catcher/CatchCacheKeys.php
index 80dd1f1..dc75cee 100644
--- a/extend/catcher/CatchCacheKeys.php
+++ b/extend/catcher/CatchCacheKeys.php
@@ -13,4 +13,6 @@ namespace catcher;
 class CatchCacheKeys
 {
     public const USER_PERMISSIONS = 'user_permissions_';
+
+    public const TRIE_TREE = 'trie_tree';
 }
diff --git a/extend/catcher/facade/Trie.php b/extend/catcher/facade/Trie.php
new file mode 100644
index 0000000..b3d9bbc
--- /dev/null
+++ b/extend/catcher/facade/Trie.php
@@ -0,0 +1 @@
+<?php
diff --git a/extend/catcher/library/Trie.php b/extend/catcher/library/Trie.php
new file mode 100644
index 0000000..b3d9bbc
--- /dev/null
+++ b/extend/catcher/library/Trie.php
@@ -0,0 +1 @@
+<?php
diff --git a/extend/catcher/validates/SensitiveWord.php b/extend/catcher/validates/SensitiveWord.php
new file mode 100644
index 0000000..b3d9bbc
--- /dev/null
+++ b/extend/catcher/validates/SensitiveWord.php
@@ -0,0 +1 @@
+<?php