diff --git a/custom_components/sigmesh_gateway/provisioning.py b/custom_components/sigmesh_gateway/provisioning.py
index 9b629c0..cf2b682 100644
--- a/custom_components/sigmesh_gateway/provisioning.py
+++ b/custom_components/sigmesh_gateway/provisioning.py
@@ -144,17 +144,22 @@ class ProvisioningManager:
             _LOGGER.warning("无法开始扫描，当前状态：%s", self._state.value)
             return
 
+        # 确保 HCI 网关已初始化
+        if not self.serial_reader.hci:
+            _LOGGER.warning("HCI 网关未初始化，等待...")
+            # 等待 HCI 网关初始化
+            await asyncio.sleep(0.5)
+            if not self.serial_reader.hci:
+                _LOGGER.error("HCI 网关仍未初始化，无法扫描")
+                self._set_state(ProvState.PROV_FAILED)
+                return
+
         self._set_state(ProvState.SCANNING)
         self._devices = {}
         self._scan_result = []
 
         # 使用 HCI 协议发送扫描命令
         try:
-            if not self.serial_reader.hci:
-                _LOGGER.error("HCI 网关未初始化")
-                self._set_state(ProvState.PROV_FAILED)
-                return
-
             _LOGGER.debug("发送 HCI 扫描命令")
             result = await self.serial_reader.hci.start_scanning()
             if result: