diff --git a/python/hfc/cali.py b/python/hfc/cali.py
index 70a5f31..8ab2504 100644
--- a/python/hfc/cali.py
+++ b/python/hfc/cali.py
@@ -373,10 +373,17 @@ def get_mac_address():
     获取MAC地址
     """
     try:
-        # 获取本机的MAC地址
-        mac = uuid.getnode()
-        mac_str = ':'.join(("%012X" % mac)[i:i+2] for i in range(0, 12, 2))
-        return mac_str
+        result = subprocess.check_output(
+            'wmic nic where "PhysicalAdapter=True" get MACAddress',
+            shell=True,
+            stderr=subprocess.STDOUT,
+            text=True
+        )
+        lines = result.strip().split('\n')
+        for line in lines:
+            line = line.strip()
+            if line and line != 'MACAddress' and ':' in line:
+                return line
     except Exception as e:
         logging.error(f"获取MAC地址失败: {e}")
         return "00:00:00:00:00:00"
diff --git a/python/hfc/hfc.py b/python/hfc/hfc.py
index 63ae9af..bd5c011 100644
--- a/python/hfc/hfc.py
+++ b/python/hfc/hfc.py
@@ -906,10 +906,17 @@ def get_mac_address():
     获取MAC地址
     """
     try:
-        # 获取本机的MAC地址
-        mac = uuid.getnode()
-        mac_str = ':'.join(("%012X" % mac)[i:i+2] for i in range(0, 12, 2))
-        return mac_str
+        result = subprocess.check_output(
+            'wmic nic where "PhysicalAdapter=True" get MACAddress',
+            shell=True,
+            stderr=subprocess.STDOUT,
+            text=True
+        )
+        lines = result.strip().split('\n')
+        for line in lines:
+            line = line.strip()
+            if line and line != 'MACAddress' and ':' in line:
+                return line
     except Exception as e:
         logging.error(f"获取MAC地址失败: {e}")
         return "00:00:00:00:00:00"
diff --git a/python/hfc/license_generator.py b/python/hfc/license_generator.py
index c3504fa..48f6552 100644
--- a/python/hfc/license_generator.py
+++ b/python/hfc/license_generator.py
@@ -56,10 +56,17 @@ def get_mac_address():
     获取MAC地址
     """
     try:
-        # 获取本机的MAC地址
-        mac = uuid.getnode()
-        mac_str = ':'.join(("%012X" % mac)[i:i+2] for i in range(0, 12, 2))
-        return mac_str
+        result = subprocess.check_output(
+            'wmic nic where "PhysicalAdapter=True" get MACAddress',
+            shell=True,
+            stderr=subprocess.STDOUT,
+            text=True
+        )
+        lines = result.strip().split('\n')
+        for line in lines:
+            line = line.strip()
+            if line and line != 'MACAddress' and ':' in line:
+                return line
     except Exception as e:
         logging.error(f"获取MAC地址失败: {e}")
         return "00:00:00:00:00:00"