diff --git a/joj3_config_generator/models/task.py b/joj3_config_generator/models/task.py
index 24ee270..6fca240 100644
--- a/joj3_config_generator/models/task.py
+++ b/joj3_config_generator/models/task.py
@@ -79,6 +79,24 @@ class ParserKeyword(BaseModel):
     weight: List[int] = []
 
 
+class ParserDiffOutputs(BaseModel):
+    score: int = 0
+    ignore_spaces: bool = Field(
+        True, validation_alias=AliasChoices("ignore-spaces", "ignore_spaces")
+    )
+    hide: bool = False
+    force_quit: bool = Field(
+        False, validation_alias=AliasChoices("force-quit", "force_quit")
+    )
+    max_length: int = Field(
+        2048, validation_alias=AliasChoices("max-length", "max_length")
+    )
+    max_lines: int = Field(50, validation_alias=AliasChoices("max-lines", "max_lines"))
+    hide_common_prefix: bool = Field(
+        False, validation_alias=AliasChoices("hide-common-prefix", "hide_common_prefix")
+    )
+
+
 class ParserDiff(BaseModel):
     score: int = DEFAULT_CASE_SCORE
     ignore_spaces: bool = Field(
@@ -95,6 +113,23 @@ class ParserDiff(BaseModel):
     hide_common_prefix: bool = Field(
         False, validation_alias=AliasChoices("hide-common-prefix", "hide_common_prefix")
     )
+    # remove below codes when migration is complete
+    output: ParserDiffOutputs = ParserDiffOutputs()
+    default_score: int = Field(
+        DEFAULT_CASE_SCORE,
+        validation_alias=AliasChoices("default-score", "default_score"),
+    )
+
+    @model_validator(mode="after")
+    def copy_output_fields(self) -> "ParserDiff":
+        if "default_score" in self.model_fields_set:
+            self.score = self.default_score
+        if not isinstance(self.output, ParserDiffOutputs):
+            return self
+        for field_name, field_value in self.output.model_dump().items():
+            if field_name in self.output.model_fields_set and hasattr(self, field_name):
+                setattr(self, field_name, field_value)
+        return self
 
 
 class StageFiles(BaseModel):