diff --git a/src/store/form.ts b/src/store/form.ts
index 9e9abea71..810244e50 100644
--- a/src/store/form.ts
+++ b/src/store/form.ts
@@ -290,7 +290,7 @@ export const FormStore = ServiceStore.named('FormStore')
                 const items = getItemsByPath(key);
 
                 if (Array.isArray(items) && items.length) {
-                  items.forEach(item => item.setError(errors[key]));
+                  items.forEach(item => item.setError(`${errors[key]}`));
                   delete errors[key];
                 }
               }
diff --git a/src/store/formItem.ts b/src/store/formItem.ts
index 3f09656af..cb30615c5 100644
--- a/src/store/formItem.ts
+++ b/src/store/formItem.ts
@@ -212,6 +212,11 @@ export const FormItemStore = StoreNode.named('FormItemStore')
         });
 
         return selectedOptions;
+      },
+      getItemsByName(name: string): any {
+        return (this as any).type === 'table'
+          ? [this.subFormItems[name]]
+          : [this];
       }
     };
   })