diff --git a/src/views/home/index.vue b/src/views/home/index.vue
index 06737c2..df74202 100644
--- a/src/views/home/index.vue
+++ b/src/views/home/index.vue
@@ -179,7 +179,7 @@ const computedStyle = () => {
           :key="item.sensorId"
           class="card"
           :class="{
-            'card-center-1': index === 0 && deviceStore.deviceInfo.deviceType === deviceStore.deviceTypeMap.LargeSpaceDM_B && homeStore.h2O2SensorData.length === 3,
+            'card-center-1': index === 0 && deviceStore.deviceInfo.deviceType !== deviceStore.deviceTypeMap.LargeSpaceDM_B && homeStore.h2O2SensorData.length === 3,
             'card-center-2': index === 0 && deviceStore.deviceInfo.deviceType !== deviceStore.deviceTypeMap.LargeSpaceDM_B && homeStore.h2O2SensorData.length === 5,
           }"
         >