diff --git a/Helper/Db.php b/Helper/Db.php
index <HASH>..<HASH> 100644
--- a/Helper/Db.php
+++ b/Helper/Db.php
@@ -46,4 +46,9 @@ class Db
         
         return " LIMIT $offset, $limit ";
     }
+    
+    public static function getLastInsertId()
+    {
+        return self::getInstance()->lastInsertId();
+    }
 }
diff --git a/Helper/Traits/Db.php b/Helper/Traits/Db.php
index <HASH>..<HASH> 100644
--- a/Helper/Traits/Db.php
+++ b/Helper/Traits/Db.php
@@ -6,18 +6,23 @@ use \Helper\Db as DbHelper;
 
 trait Db
 {
-    private function dbInstance()
+    private static function dbInstance()
     {
         return DbHelper::getInstance();
     }
     
-    private function execQuery($query, array $parameters = []) 
+    private static function execQuery($query, array $parameters = []) 
     {
         return DbHelper::execQuery($query, $parameters);
     }
     
-    private function getSqlLimitByLimits($limit, $offset)
+    private static function getSqlLimitByLimits($limit, $offset)
     {
         return DbHelper::getLimitQuery($limit, $offset);
     }
+    
+    private static function getLastInsertId()
+    {
+        return DbHelper::getLastInsertId();
+    }
 }
\ No newline at end of file
Add short way for LastInsertId and make Db helper's method static.