diff --git a/resources/assets/js/views/modules/apps.js b/resources/assets/js/views/modules/apps.js
index 801fc2f05..7cecb5d90 100644
--- a/resources/assets/js/views/modules/apps.js
+++ b/resources/assets/js/views/modules/apps.js
@@ -32,6 +32,10 @@ const app = new Vue({
 
     methods: {
         onChangeCategory(category) {
+            if (!category.length) {
+                return;
+            }
+
             let path =  document.getElementById('category_page').value;
 
             if (category != '*') {
diff --git a/resources/assets/js/views/modules/item.js b/resources/assets/js/views/modules/item.js
index a84f02f14..6abd2c51b 100644
--- a/resources/assets/js/views/modules/item.js
+++ b/resources/assets/js/views/modules/item.js
@@ -61,6 +61,10 @@ const app = new Vue({
 
     methods: {
         onChangeCategory(category) {
+            if (!category.length) {
+                return;
+            }
+
             let path =  document.getElementById('category_page').value;
 
             if (category != '*') {