diff --git a/src/Libs/Model.php b/src/Libs/Model.php
index 0d85b24..81936ed 100644
--- a/src/Libs/Model.php
+++ b/src/Libs/Model.php
@@ -72,9 +72,12 @@ class Model {
      *
      * @return bool
      */
-    public function beginTransaction(): bool
+    public function rollBack(): bool
     {
-        return static::db()->beginTransaction();
+        if ( static::db()->inTransaction())
+            return static::db()->rollBack();
+        else
+            return true;
     }
 
     /**
@@ -83,9 +86,12 @@ class Model {
      *
      * @return bool
      */
-    public function rollBack(): bool
+    public function commit(): bool
     {
-        return static::db()->rollBack();
+        if (static::db()->inTransaction())
+            return static::db()->commit();
+        else
+            return true;
     }
 
     /**