diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceMessageController.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceMessageController.java
index 8e9d148c9c..03461d50ed 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceMessageController.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceMessageController.java
@@ -83,10 +83,10 @@ public class IotDeviceMessageController {
 
     @PostMapping("/send")
     @Operation(summary = "发送消息", description = "可用于设备模拟")
-    @PreAuthorize("@ss.hasPermission('iot:device:message-end')")
+    @PreAuthorize("@ss.hasPermission('iot:device:message-send')")
     public CommonResult<Boolean> sendDeviceMessage(@Valid @RequestBody IotDeviceMessageSendReqVO sendReqVO) {
         deviceMessageService.sendDeviceMessage(BeanUtils.toBean(sendReqVO, IotDeviceMessage.class));
         return success(true);
     }
 
-}
\ No newline at end of file
+}