diff --git a/.github/workflows/linux_test.yml b/.github/workflows/linux_test.yml
index 7bb432b..1cb9671 100644
--- a/.github/workflows/linux_test.yml
+++ b/.github/workflows/linux_test.yml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04]
-        python-version: [3.7, 3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
+        python-version: [3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/macOS_test.yml b/.github/workflows/macOS_test.yml
index 286694f..b7f12c0 100644
--- a/.github/workflows/macOS_test.yml
+++ b/.github/workflows/macOS_test.yml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15-intel]
-        python-version: [3.7, 3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
+        python-version: [3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/windows_test.yml b/.github/workflows/windows_test.yml
index eed7d1c..1da6814 100644
--- a/.github/workflows/windows_test.yml
+++ b/.github/workflows/windows_test.yml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-2025, windows-2022]
-        python-version: [3.7, 3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
+        python-version: [3.8, 3.9, 3.10.5, 3.11.0, 3.12.0, 3.13.0, 3.14.0]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba3a96a..f60424c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- CLI style modified
+- `nava_help` function modified
+- `Python 3.7` support dropped
 ## [0.9] - 2026-09-02
 ### Added
 - CLI tests
diff --git a/nava/cli.py b/nava/cli.py
index 3c28e6a..e836b20 100644
--- a/nava/cli.py
+++ b/nava/cli.py
@@ -2,7 +2,8 @@
 """Nava cli."""
 import sys
 import argparse
-from art import tprint
+from art import text2art
+from typio import type_print, TypeMode
 from .params import NAVA_VERSION, EXIT_MESSAGE, Engine
 from .functions import nava_help, play_cli
 
@@ -54,8 +55,8 @@ def run(args: argparse.Namespace) -> None:
         engine = Engine(args.engine)
         play_cli(file_name, loop=loop, engine=engine)
     else:
-        tprint("Nava")
-        tprint("V:" + NAVA_VERSION)
+        type_print(text2art("Nava"), mode=TypeMode.LINE, delay=0.1)
+        type_print(text2art("V:" + NAVA_VERSION), mode=TypeMode.LINE, delay=0.1)
         nava_help()
 
 
diff --git a/nava/functions.py b/nava/functions.py
index b499a73..303fb61 100644
--- a/nava/functions.py
+++ b/nava/functions.py
@@ -9,6 +9,7 @@
 from functools import wraps
 import importlib.util
 from typing import Callable, List, Dict, Any, Optional
+from typio import type_print, TypeMode
 from .thread import NavaThread
 from .params import OVERVIEW, Engine
 from .params import SOUND_FILE_PLAY_ERROR, SOUND_FILE_EXIST_ERROR, ENGINE_TYPE_ERROR
@@ -44,9 +45,9 @@ def sound_id_gen() -> int:
 
 def nava_help() -> None:
     """Print nava details."""
-    print(OVERVIEW)
-    print("Repo : https://github.com/openscilab/nava")
-    print("Webpage : https://openscilab.com/\n")
+    type_print(OVERVIEW, mode=TypeMode.CHAR, delay=0.05)
+    type_print("Repo : https://github.com/openscilab/nava", mode=TypeMode.CHAR, delay=0.05)
+    type_print("Webpage : https://openscilab.com/\n", mode=TypeMode.CHAR, delay=0.05)
 
 
 def quote(func: Callable) -> Callable:
diff --git a/others/meta.yaml b/others/meta.yaml
index 1d83537..eaa6954 100644
--- a/others/meta.yaml
+++ b/others/meta.yaml
@@ -15,10 +15,11 @@ requirements:
     host:
         - pip
         - setuptools
-        - python >=3.7
+        - python >=3.8
     run:
         - art >=1.8
-        - python >=3.7
+        - typio >=0.4
+        - python >=3.8
 about:
     home: https://github.com/openscilab/nava
     license: MIT
diff --git a/requirements-latest.txt b/requirements-latest.txt
index 913c26d..1863545 100644
--- a/requirements-latest.txt
+++ b/requirements-latest.txt
@@ -1 +1,2 @@
 art==6.5
+typio==1.2
diff --git a/setup.py b/setup.py
index d3c0058..e8da5cf 100644
--- a/setup.py
+++ b/setup.py
@@ -37,15 +37,14 @@ def read_description() -> str:
         'Source': 'https://github.com/openscilab/nava',
         'Discord': 'https://discord.gg/MCbPKCFBs3',
     },
-    install_requires=['art>=1.8'],
-    python_requires='>=3.7',
+    install_requires=['art>=1.8', 'typio>=0.4'],
+    python_requires='>=3.8',
     classifiers=[
         'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
         'Natural Language :: English',
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',