diff --git a/src/views/system/components/SystemFloorBar.vue b/src/views/system/components/SystemFloorBar.vue
index cb41881..db27331 100644
--- a/src/views/system/components/SystemFloorBar.vue
+++ b/src/views/system/components/SystemFloorBar.vue
@@ -39,7 +39,7 @@ const onClick = (item) => {
   router.push({
     name: 'sub_system', params: {
       ...route.params, floor_id: item.key
-    }, query: { ...route.query, gas: route.query.gas, mode: route.params.floor_id === "main" ? "3D" : route.query.mode }
+    }, query: { ...route.query, gas: route.query.gas, mode: item.key === "main" ? "3D" : route.query.mode }
   })
 
 }