diff --git a/src/components/ui/VnFilterPanel.vue b/src/components/ui/VnFilterPanel.vue
index 31731b8b0..d78c3ba13 100644
--- a/src/components/ui/VnFilterPanel.vue
+++ b/src/components/ui/VnFilterPanel.vue
@@ -41,13 +41,13 @@ onMounted(() => {
 
 const isLoading = ref(false);
 async function search() {
-    const params = JSON.parse(JSON.stringify(userParams.value));
-    for (const param in params) {
-        if (params[param] === '' || params[param] === null) {
+    for (const param in userParams.value) {
+        if (userParams.value[param] === '' || userParams.value[param] === null) {
             delete userParams.value[param];
             delete store.userParams[param];
         }
     }
+    const params = { ...userParams.value };
     isLoading.value = true;
     await arrayData.addFilter({ params });
     if (!props.showAll && !Object.values(params).length) store.data = [];