diff --git a/custom_components/sigmesh_gateway/provisioning.py b/custom_components/sigmesh_gateway/provisioning.py
index 0804cf9..056cce4 100644
--- a/custom_components/sigmesh_gateway/provisioning.py
+++ b/custom_components/sigmesh_gateway/provisioning.py
@@ -130,6 +130,13 @@ class ProvisioningManager:
 
     async def start_scanning(self) -> None:
         """开始扫描设备."""
+        # 如果已经在扫描中，先重置状态（允许用户重新启动扫描）
+        if self._state == ProvState.SCANNING:
+            _LOGGER.info("扫描已在进行中，重置扫描状态...")
+            self._devices = {}
+            self._scan_result = []
+            return
+
         if self._state not in [ProvState.IDLE, ProvState.PROV_COMPLETED, ProvState.PROV_FAILED]:
             _LOGGER.warning("无法开始扫描，当前状态：%s", self._state.value)
             return