diff --git a/src/components/common/VnSelect.vue b/src/components/common/VnSelect.vue
index 800ecbdad..3d7743ea4 100644
--- a/src/components/common/VnSelect.vue
+++ b/src/components/common/VnSelect.vue
@@ -191,10 +191,10 @@ async function fetchFilter(val) {
     const fetchOptions = { where, include, limit };
     if (fields) fetchOptions.fields = fields;
     if (sortBy) {
-        let sort = sortBy;
-        if (typeof sort === 'string') sort = [getOrderCaseString(key, val), sortBy];
-        else sort = [getOrderCaseString(key, val), ...sortBy];
-        fetchOptions.order = sort;
+        fetchOptions.order = [
+            getOrderCaseString(key, val),
+            typeof sortBy === 'string' ? sortBy : [...sortBy],
+        ];
     }
 
     return dataRef.value.fetch(fetchOptions);