diff --git a/src/app.module.ts b/src/app.module.ts
index 467a5de..fb81d9a 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -53,7 +53,7 @@ import { Assignment } from './assignment/entity/assignment.entity';
             Year,
             Assignment,
           ],
-          synchronize: true, //when push change  false
+          synchronize: false, //when push change  false
         };
       },
     }),