diff --git a/src/ORM/DBInstance.php b/src/ORM/DBInstance.php
index c5a6468..11d92b4 100755
--- a/src/ORM/DBInstance.php
+++ b/src/ORM/DBInstance.php
@@ -8,13 +8,13 @@ class DBInstance {
         if ($data) {
             self::queryPrepare($sql, $data, $instance);
         } else {
-            $con = Connections::get_connection($instance);
+            $con = Connections::getConnection($instance);
             $con->exec($sql);
         }
     }
 
     public static function lastInsert($instance = 'default') {
-        $con = Connections::get_connection($instance);
+        $con = Connections::getConnection($instance);
         return $con->lastInsertId();
     }
 
@@ -22,7 +22,7 @@ class DBInstance {
         if ($data) {
             return self::queryPrepare($sql, $data, $instance);
         } else {
-            $con = Connections::get_connection($instance);
+            $con = Connections::getConnection($instance);
             return $con->query($sql, \PDO::FETCH_OBJ);
         }
     }
@@ -31,13 +31,13 @@ class DBInstance {
         if ($data) {
             return self::queryPrepare($sql, $data, $instance);
         } else {
-            $con = Connections::get_connection($instance);
+            $con = Connections::getConnection($instance);
             return $con->query($sql, \PDO::FETCH_OBJ)->fetch();
         }
     }
 
     public static function queryPrepare($sql, $data = Array(), $instance = 'default') {
-        $con = Connections::get_connection($instance);
+        $con = Connections::getConnection($instance);
         $statement = $con->prepare($sql);
         $statement->execute($data);
         return $statement->fetchAll(\PDO::FETCH_OBJ);