diff --git a/packages/form/src/containers/table-group-list/useAdd.ts b/packages/form/src/containers/table-group-list/useAdd.ts
index 83928f0c..48b6d2f6 100644
--- a/packages/form/src/containers/table-group-list/useAdd.ts
+++ b/packages/form/src/containers/table-group-list/useAdd.ts
@@ -22,7 +22,7 @@ export const useAdd = (
 
     if (!modelName) return false;
 
-    if (!props.model[modelName].length) {
+    if (!props.model[modelName]?.length) {
       return true;
     }