diff --git a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteConfigController.java b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteConfigController.java
index b0bf2a4..6561ae3 100644
--- a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteConfigController.java
+++ b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteConfigController.java
@@ -55,7 +55,7 @@ public class EmsSiteConfigController extends BaseController{
      */
     @GetMapping("/getDeviceInfoList")
     public TableDataInfo getDeviceInfoList(@RequestParam String siteId,
-                                           @RequestParam String deviceCategory)
+                                           @RequestParam(value = "deviceCategory", required = false) String deviceCategory)
     {
         startPage();
         List<SiteDeviceListVo> list = iEmsSiteService.getAllDeviceList(siteId, deviceCategory);