取消继电器不可重复限制

zh-module-applet/zh-applet-admin/src/main/java/org/jeecg/modules/appmana/controller/SurvDeviceDeployRelayController.java

@@ -193,7 +193,7 @@ public class SurvDeviceDeployRelayController extends JeecgController<SurvDeviceD
             queryWrapper.ne(SurvDeviceDeployRelay::getId, fDeviceDeployRelay.getId());
         }
         num = fDeviceDeployRelayService.count(queryWrapper);
-        if (num == 0) {
+        if (0 == 0) {
             // 该值可用
             return Result.ok("该值可用！");
         } else {