diff --git a/src/views/realTimeMonitor/components/siderBar.vue b/src/views/realTimeMonitor/components/siderBar.vue
index c8393bf..ef6e305 100644
--- a/src/views/realTimeMonitor/components/siderBar.vue
+++ b/src/views/realTimeMonitor/components/siderBar.vue
@@ -83,7 +83,9 @@
                 style="margin-right: 6px"
               ></span>
             </span>
-            <span>{{ node.label }} </span>
+            <span :class="data.onlinestatus == 0 ? 'disconnect' : ''"
+              >{{ node.label }}
+            </span>
           </span>
         </span>
         <!-- <span v-else>