diff --git a/packages/ui-default/components/autocomplete/UserSelectAutoComplete.tsx b/packages/ui-default/components/autocomplete/UserSelectAutoComplete.tsx
index ba83ca9f7..63bf13375 100644
--- a/packages/ui-default/components/autocomplete/UserSelectAutoComplete.tsx
+++ b/packages/ui-default/components/autocomplete/UserSelectAutoComplete.tsx
@@ -32,7 +32,7 @@ export default class UserSelectAutoComplete<Multi extends boolean> extends AutoC
   }
 
   value(): Multi extends true ? number[] : string {
-    if (this.options.multi) return this.ref?.getSelectedItems().map((item) => item._id) ?? this.$dom.val();
+    if (this.options.multi) return this.ref?.getSelectedItemKeys().map((i) => +i) ?? this.$dom.val();
     return this.ref?.getSelectedItems()[0] ?? null;
   }
 
diff --git a/packages/ui-default/components/autocomplete/components/AutoComplete.tsx b/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
index 3c9dc5e45..6da9e5a06 100644
--- a/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
+++ b/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
@@ -103,14 +103,12 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
     setCurrentItem(null);
   };
 
-  const calculateValue = () => {
+  const dispatchChange = () => {
     const query = inputRef.current?.value;
-    if (!query) return multi ? selectedKeys.join(',') : '';
-    return (multi && selectedKeys.length) ? `${selectedKeys.join(',')},${query}` : query;
+    const val = [...selectedKeys, query].filter((i) => i).join(',');
+    onChange(val);
   };
 
-  const dispatchChange = () => onChange(calculateValue());
-
   useEffect(() => {
     dispatchChange();
   }, [selectedKeys, multi]);