diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e27293f..dc2bb23 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -64,3 +64,4 @@ repos:
       - id: mypy
         exclude: ^(tests/)
         additional_dependencies: [types-all]
+        args: [--ignore-missing-imports, --disallow-untyped-defs]
diff --git a/pyhelper_utils/general.py b/pyhelper_utils/general.py
index 1ede883..efe6864 100644
--- a/pyhelper_utils/general.py
+++ b/pyhelper_utils/general.py
@@ -3,7 +3,7 @@
 from time import sleep
 from functools import wraps
 from logging import Logger
-from typing import Any
+from typing import Any, Callable
 
 
 def tts(ts: Any) -> int:
@@ -60,9 +60,9 @@ def ignore_exceptions(
         any: the underline function return value.
     """
 
-    def wrapper(func):
+    def wrapper(func: Callable) -> Callable:
         @wraps(func)
-        def inner(*args, **kwargs):
+        def inner(*args: Any, **kwargs: Any) -> Any:
             try:
                 return func(*args, **kwargs)
             except Exception as ex:
diff --git a/pyhelper_utils/runners.py b/pyhelper_utils/runners.py
index 2133847..d112b64 100644
--- a/pyhelper_utils/runners.py
+++ b/pyhelper_utils/runners.py
@@ -8,7 +8,7 @@
 LOGGER = get_logger(name="runners")
 
 
-def function_runner_with_pdb(func: Callable, dry_run: bool = False, *args, **kwargs) -> Any:
+def function_runner_with_pdb(func: Callable, dry_run: bool = False, *args: Any, **kwargs: Any) -> Any:
     """
     Run function with support to drop into pdb.
 
diff --git a/pyhelper_utils/shell.py b/pyhelper_utils/shell.py
index 5f8e52d..479869b 100644
--- a/pyhelper_utils/shell.py
+++ b/pyhelper_utils/shell.py
@@ -1,5 +1,5 @@
 import subprocess
-from typing import Optional
+from typing import Any, List, Optional
 
 from simple_logger.logger import get_logger
 
@@ -9,15 +9,15 @@
 
 
 def run_command(
-    command: list,
+    command: List[str],
     verify_stderr: bool = True,
     shell: bool = False,
     timeout: Optional[int] = None,
     capture_output: bool = True,
     check: bool = True,
     hide_log_command: bool = False,
-    **kwargs,
-) -> tuple:
+    **kwargs: Any,
+) -> tuple[bool, str, str]:
     """
     Run command locally.