diff --git a/joj3_config_generator/models/const.py b/joj3_config_generator/models/const.py
index 95a6706..33de35b 100644
--- a/joj3_config_generator/models/const.py
+++ b/joj3_config_generator/models/const.py
@@ -5,6 +5,7 @@ from joj3_config_generator.models.common import Memory, Time
 DEFAULT_CPU_LIMIT = Time("1s")
 DEFAULT_MEMORY_LIMIT = Memory("256m")
 DEFAULT_FILE_LIMIT = Memory("32m")
+DEFAULT_CASE_SCORE = 5
 
 JOJ3_CONFIG_ROOT = Path("/home/tt/.config/joj")
 TEAPOT_CONFIG_ROOT = Path("/home/tt/.config/teapot")
diff --git a/joj3_config_generator/models/task.py b/joj3_config_generator/models/task.py
index 1a3d332..fd55d89 100644
--- a/joj3_config_generator/models/task.py
+++ b/joj3_config_generator/models/task.py
@@ -7,6 +7,7 @@ from pydantic import BaseModel, ConfigDict, Field, field_validator, model_valida
 
 from joj3_config_generator.models.common import Memory, Time
 from joj3_config_generator.models.const import (
+    DEFAULT_CASE_SCORE,
     DEFAULT_CPU_LIMIT,
     DEFAULT_FILE_LIMIT,
     DEFAULT_MEMORY_LIMIT,
@@ -51,7 +52,7 @@ class Outputs(BaseModel):
 
 class ParserDiff(BaseModel):
     output: Outputs = Outputs()
-    default_score: int = 5
+    default_score: int = DEFAULT_CASE_SCORE
 
 
 class Files(BaseModel):