diff --git a/aerich/cli.py b/aerich/cli.py
index 6ae35d6..8160e74 100644
--- a/aerich/cli.py
+++ b/aerich/cli.py
@@ -100,7 +100,7 @@ async def upgrade(ctx: Context):
 
             with open(file_path, "w") as f:
                 content["migrate"] = True
-                json.dump(content, f, indent=4)
+                json.dump(content, f, indent=4, ensure_ascii=False)
                 click.secho(f"Success upgrade {file}", fg=Color.green)
 
 
@@ -127,7 +127,7 @@ async def downgrade(ctx: Context):
                     continue
             with open(file_path, "w") as f:
                 content["migrate"] = False
-                json.dump(content, f, indent=4)
+                json.dump(content, f, indent=4, ensure_ascii=False)
                 return click.secho(f"Success downgrade {file}", fg=Color.green)
 
 
diff --git a/aerich/migrate.py b/aerich/migrate.py
index 57f0f40..d189ea3 100644
--- a/aerich/migrate.py
+++ b/aerich/migrate.py
@@ -80,7 +80,7 @@ class Migrate:
             "migrate": False,
         }
         with open(os.path.join(cls.migrate_location, filename), "w") as f:
-            json.dump(content, f, indent=4)
+            json.dump(content, f, indent=4, ensure_ascii=False)
         return filename
 
     @classmethod
@@ -128,7 +128,7 @@ class Migrate:
 
     @classmethod
     def cp_models(
-            cls, app: str, model_files: List[str], old_model_file,
+        cls, app: str, model_files: List[str], old_model_file,
     ):
         """
         cp currents models to old_model_files
@@ -177,7 +177,7 @@ class Migrate:
 
     @classmethod
     def _diff_models(
-            cls, old_models: Dict[str, Type[Model]], new_models: Dict[str, Type[Model]], upgrade=True
+        cls, old_models: Dict[str, Type[Model]], new_models: Dict[str, Type[Model]], upgrade=True
     ):
         """
         diff models and add operators