diff --git a/#README/README-cn.md b/#README/README-cn.md
index 73e08de..9516fd0 100644
--- a/#README/README-cn.md
+++ b/#README/README-cn.md
@@ -1,6 +1,6 @@
 <div align="center">
     <img src="https://github.com/Mehver/iController/raw/main/%23README/icon/256.png" width="20%"/>
-    <h1>iController <code>v0.4.2</code></h1>
+    <h1>iController <code>v0.4.3</code></h1>
 	<p><a href='https://github.com/Mehver/iController/blob/main/README.md'>English</a> | 简体中文</p>
 </div>
 
diff --git a/#README/roadmap.md b/#README/roadmap.md
index a338440..031f0a4 100644
--- a/#README/roadmap.md
+++ b/#README/roadmap.md
@@ -17,7 +17,7 @@
   - 黑名单模式
   - 控制权释放机制
 - 提供HTTPS
-- 自扫描可用端口，检验可用性
+- ~~自扫描可用端口，检验可用性~~
 
 ## v0.6.x
 
diff --git a/README.md b/README.md
index 4a92ea9..8c4609a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <div align="center">
     <img src="https://github.com/Mehver/iController/raw/main/%23README/icon/256.png" width="20%"/>
-    <h1>iController <code>v0.4.2</code></h1>
+    <h1>iController <code>v0.4.3</code></h1>
     </tr>
 	<p>English | <a href='https://github.com/Mehver/iController/blob/main/%23README/README-cn.md'>简体中文</a></p>
 </div>
diff --git a/app.py b/app.py
index 10b213e..e9939df 100644
--- a/app.py
+++ b/app.py
@@ -10,7 +10,7 @@
 |_\____/\___/|_| |_|\__|_|  \___/|_|_|\___|_|   
                                                 
 https://github.com/Mehver/iController
-v0.4.2
+v0.4.3
 
 """)
 
diff --git a/modules/portchecker.py b/modules/portchecker.py
index 0fb5134..861d060 100644
--- a/modules/portchecker.py
+++ b/modules/portchecker.py
@@ -1,20 +1,34 @@
-import psutil
-
+import socket
+import platform
 
 def portchecker(port):
     """
-    使用psutil检查端口是否可用
+    检查端口是否可用。
     - 如果端口是一个数字且在合法范围内（1-65534）
-    - 并且没有被别的程序使用，则返回True
+    - 并且没有被别的程序使用，则返回True。
     """
-    # 确保端口号是整数且在合法范围内
-    if isinstance(port, int) and 0 < port < 65535:
-        # 获取当前所有的网络连接
-        connections = psutil.net_connections()
-        # 遍历所有连接，检查端口是否被占用
-        for conn in connections:
-            if conn.laddr.port == port:
-                return False  # 端口已被占用
-        return True  # 端口未被占用，可用
+    os_name = platform.system()
+    if os_name == 'Windows':
+        # Windows下使用psutil检查
+        import psutil
+        if isinstance(port, int) and 0 < port < 65535:
+            connections = psutil.net_connections()
+            for conn in connections:
+                if conn.laddr.port == port:
+                    return False  # 端口已被占用
+            return True  # 端口未被占用，可用
+        else:
+            return False  # 端口号不合法
+    elif os_name == 'Darwin':
+        # MacOS下使用socket尝试绑定端口检查
+        if isinstance(port, int) and 0 < port < 65535:
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+                try:
+                    s.bind(('localhost', port))
+                    return True  # 端口未被占用，可用
+                except socket.error:
+                    return False  # 端口已被占用
+        else:
+            return False  # 端口号不合法
     else:
-        return False  # 端口号不合法
+        raise NotImplementedError("This OS is not supported for port checking")
diff --git a/modules/server/keyboard.py b/modules/server/keyboard.py
index 09df98e..7b7ec70 100644
--- a/modules/server/keyboard.py
+++ b/modules/server/keyboard.py
@@ -1,6 +1,7 @@
 from flask import request, jsonify
 import pyautogui
 import pyperclip
+import platform
 
 
 def keyboard_buttons():
@@ -29,11 +30,20 @@ def keyboard_typewriting():
 
 def keyboard_pastetext():
     text = request.data.decode('utf-8')  # 获取请求体中的文本内容
-    try:
-        pyperclip.copy(text)  # 将文本复制到剪贴板
-        pyautogui.hotkey('ctrl', 'v')  # 模拟按下粘贴快捷键（Windows/Linux）
-        # 对于macOS，使用 pyautogui.hotkey('cmd', 'v')
-        return jsonify({"status": "success", "message": "Text has been pasted successfully."})
-    except Exception as e:
-        print(f"Error: {e}")
-        return jsonify({"status": "error", "message": "An error occurred while pasting text."}), 500
+    os_name = platform.system()
+    if os_name == 'Windows':
+        try:
+            pyperclip.copy(text)  # 将文本复制到剪贴板
+            pyautogui.hotkey('ctrl', 'v')  # 模拟按下粘贴快捷键（Windows/Linux）
+            # 对于macOS，使用 pyautogui.hotkey('cmd', 'v')
+            return jsonify({"status": "success", "message": "Text has been pasted successfully."})
+        except Exception as e:
+            print(f"Error: {e}")
+            return jsonify({"status": "error", "message": "An error occurred while pasting text."}), 500
+    elif os_name == 'Darwin':
+        try:
+            pyautogui.write(text, interval=0.05)  # 将文本输入到当前聚焦的位置
+            return jsonify({"status": "success", "message": "Text has been sent successfully."})
+        except Exception as e:
+            print(f"Error: {e}")
+            return jsonify({"status": "error", "message": "An error occurred while sending text."}), 500
diff --git a/modules/volume/__init__.py b/modules/volume/__init__.py
index 47e6ab8..1e729f6 100644
--- a/modules/volume/__init__.py
+++ b/modules/volume/__init__.py
@@ -1,15 +1,15 @@
 from modules.volume.base import BaseVolumeController
-from modules.volume.windows import WindowsVolumeController
-from modules.volume.mac import MacVolumeController
 import platform
 
 
 def get_volume_controller() -> BaseVolumeController:
     os_name = platform.system()
     if os_name == 'Windows':
+        from modules.volume.windows import WindowsVolumeController
         return WindowsVolumeController()
-    elif os_name == 'Darwin':  # macOS的官方名称是Darwin
+    elif os_name == 'Darwin':
+        from modules.volume.mac import MacVolumeController
         return MacVolumeController()
     else:
-        raise NotImplementedError("This OS is not supported for volume control.")
+        raise NotImplementedError("This OS is not supported for volume control")