diff --git a/joj3_config_generator/models/__init__.py b/joj3_config_generator/models/__init__.py
index 68802d4..9ecf823 100644
--- a/joj3_config_generator/models/__init__.py
+++ b/joj3_config_generator/models/__init__.py
@@ -1,3 +1,6 @@
+from joj3_config_generator.models.joj1 import Case as Case
+from joj3_config_generator.models.joj1 import JOJ1Config as JOJ1Config
+from joj3_config_generator.models.joj1 import Language as Language
 from joj3_config_generator.models.repo import Repo as Repo
 from joj3_config_generator.models.result import Cmd as Cmd
 from joj3_config_generator.models.result import CmdFile as CmdFile
diff --git a/joj3_config_generator/models/joj1.py b/joj3_config_generator/models/joj1.py
new file mode 100644
index 0000000..2ce5292
--- /dev/null
+++ b/joj3_config_generator/models/joj1.py
@@ -0,0 +1,28 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field
+
+
+class Language(BaseModel):
+    language: str
+    type: Optional[str] = None
+    compiler_file: Optional[str] = None
+    compiler_args: Optional[str] = None
+    code_file: Optional[str] = None
+    execute_file: Optional[str] = None
+    execute_args: Optional[str] = None
+
+
+class Case(BaseModel):
+    time: str = Field(default="1s")
+    memory: str = Field(default="32m")
+    score: int = Field(default=10)
+    input: str
+    output: str
+    execute_args: Optional[str] = None
+    category: Optional[str] = None
+
+
+class JOJ1Config(BaseModel):
+    languages: list[Language]
+    cases: list[Case]