diff --git a/app/enum/action_type.py b/app/enum/action_type.py
index 2fbec69..667e3de 100644
--- a/app/enum/action_type.py
+++ b/app/enum/action_type.py
@@ -1,7 +1,9 @@
 from enum import Enum
 
+
 class ActionType(Enum):
-  CLICK = 1
-  LIKE = 2
-  WATCH = 3
-  RATING = 4
\ No newline at end of file
+    CLICK = 1
+    LIKE = 2
+    WATCH = 3
+    RATING = 4
+    DISLIKE = 5
diff --git a/app/services/weight_strategy.py b/app/services/weight_strategy.py
index 280d8d1..b7753b3 100644
--- a/app/services/weight_strategy.py
+++ b/app/services/weight_strategy.py
@@ -24,3 +24,5 @@ def convert_to_weight(type: ActionType, value: float) -> float:
             return 0.3
         if value == 5:
             return 0.4
+    if type == ActionType.DISLIKE:
+        return -0.1