diff --git a/src/pages/04_product-service/MainPage.vue b/src/pages/04_product-service/MainPage.vue
index 7bd57f12..152495b0 100644
--- a/src/pages/04_product-service/MainPage.vue
+++ b/src/pages/04_product-service/MainPage.vue
@@ -1395,6 +1395,7 @@ function submitAddWorkProduct() {
           if (!s.hasOwnProperty('productsId')) {
             s.productsId = [];
           }
+          if (s.productsId.length === 0) return;
           s.productsId.push(i.id);
         },
       );