diff --git a/app/repositories/grand_project.py b/app/repositories/grand_project.py
index d37660d..e9a4ba9 100644
--- a/app/repositories/grand_project.py
+++ b/app/repositories/grand_project.py
@@ -14,7 +14,8 @@ class GrandProjectRepository(BaseRepository[GrandProjectModel]):
     def check_weight(self,_inp:GrandProjectModel):
         sum = 0
         for project in _inp.assign_project:
-            sum = project.weight
+            sum += project.weight
+        print(sum)
         if sum != 100:
             raise HTTPException(422, 'مجموعه وزن ها باید صد درصد باشد')
     async def create(self, create: GrandProjectModel):