diff --git a/common/models/page/CategoryLang.php b/common/models/page/CategoryLang.php
index 600ad39..1f94e05 100644
--- a/common/models/page/CategoryLang.php
+++ b/common/models/page/CategoryLang.php
@@ -11,6 +11,13 @@
             return 'page_category_lang';
         }
         
+        public static function primaryKey()
+        {
+            return [
+                'language_id',
+                'page_category_id'
+            ];
+        }
         public function rules()
         {
             return [
--
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