From 359525716cbce8097e77ae72a776ac6b90f1a634 Mon Sep 17 00:00:00 2001
From: long2ice <long2ice@gmail.com>
Date: Thu, 12 Aug 2021 15:42:54 +0800
Subject: [PATCH] update README.md

---
 README.md          | 1 +
 aerich/__init__.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f2c1e27..94074dc 100644
--- a/README.md
+++ b/README.md
@@ -231,6 +231,7 @@ You can use `aerich` out of cli by use `Command` class.
 from aerich import Command
 
 command = Command(tortoise_config=config, app='models')
+await command.init()
 await command.migrate('test')
 ```
 
diff --git a/aerich/__init__.py b/aerich/__init__.py
index 0b874be..ba30abf 100644
--- a/aerich/__init__.py
+++ b/aerich/__init__.py
@@ -27,7 +27,7 @@ class Command:
     def __init__(
         self,
         tortoise_config: dict,
-        app: str,
+        app: str = "models",
         location: str = "./migrations",
         src_folder: str = ".",
     ):