diff --git a/CHANGELOG.md b/CHANGELOG.md
index d45ab66..865fe74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.5
 
+### 0.5.7
+
+- Fix no module found error. (#188) (#189)
+
 ### 0.5.6
 
 - Add `Command` class. (#148) (#141) (#123) (#106)
diff --git a/aerich/__init__.py b/aerich/__init__.py
index ba30abf..7641062 100644
--- a/aerich/__init__.py
+++ b/aerich/__init__.py
@@ -1,5 +1,3 @@
-__version__ = "0.5.6"
-
 import os
 from pathlib import Path
 from typing import List
@@ -14,7 +12,6 @@ from aerich.inspectdb import InspectDb
 from aerich.migrate import Migrate
 from aerich.models import Aerich
 from aerich.utils import (
-    add_src_path,
     get_app_connection,
     get_app_connection_name,
     get_models_describe,
@@ -29,14 +26,11 @@ class Command:
         tortoise_config: dict,
         app: str = "models",
         location: str = "./migrations",
-        src_folder: str = ".",
     ):
         self.tortoise_config = tortoise_config
         self.app = app
         self.location = location
-        self.src_folder = src_folder
         Migrate.app = app
-        add_src_path(src_folder)
 
     async def init(self):
         await Migrate.init(self.tortoise_config, self.app, self.location)
diff --git a/aerich/cli.py b/aerich/cli.py
index 591bf18..214f8c4 100644
--- a/aerich/cli.py
+++ b/aerich/cli.py
@@ -12,8 +12,9 @@ from tortoise import Tortoise
 from aerich.exceptions import DowngradeError
 from aerich.utils import add_src_path, get_tortoise_config
 
-from . import Command, __version__
+from . import Command
 from .enums import Color
+from .version import __version__
 
 parser = ConfigParser()
 
@@ -70,11 +71,10 @@ async def cli(ctx: Context, config, app, name):
         location = parser[name]["location"]
         tortoise_orm = parser[name]["tortoise_orm"]
         src_folder = parser[name].get("src_folder", CONFIG_DEFAULT_VALUES["src_folder"])
+        add_src_path(src_folder)
         tortoise_config = get_tortoise_config(ctx, tortoise_orm)
         app = app or list(tortoise_config.get("apps").keys())[0]
-        command = Command(
-            tortoise_config=tortoise_config, app=app, location=location, src_folder=src_folder
-        )
+        command = Command(tortoise_config=tortoise_config, app=app, location=location)
         ctx.obj["command"] = command
         if invoked_subcommand != "init-db":
             if not Path(location, app).exists():
diff --git a/aerich/version.py b/aerich/version.py
new file mode 100644
index 0000000..1cc82e6
--- /dev/null
+++ b/aerich/version.py
@@ -0,0 +1 @@
+__version__ = "0.5.7"
diff --git a/pyproject.toml b/pyproject.toml
index 15d724a..aee6f38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aerich"
-version = "0.5.6"
+version = "0.5.7"
 description = "A database migrations tool for Tortoise ORM."
 authors = ["long2ice <long2ice@gmail.com>"]
 license = "Apache-2.0"