diff --git a/packages/ui-default/components/autocomplete/components/AutoComplete.tsx b/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
index 6da9e5a0..a3357fea 100644
--- a/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
+++ b/packages/ui-default/components/autocomplete/components/AutoComplete.tsx
@@ -38,6 +38,7 @@ export interface AutoCompleteHandle<Item> {
   setSelectedItems: (items: Item[]) => void;
   getQuery: () => string;
   setQuery: (query: string) => void;
+  setSelectedKeys: (keys: string[]) => void;
   triggerQuery: () => any;
   closeList: () => void;
   /** returns comma seperated value text */
@@ -69,7 +70,7 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
 
   const [focused, setFocused] = useState(false); // is focused
   const [selected, setSelected] = useState([]); // selected items
-  const [selectedKeys, setSelectedKeys] = useState(props.selectedKeys); // keys of selected items
+  const [selectedKeys, setSelectedKeys] = useState(props.selectedKeys || []); // keys of selected items
   const [itemList, setItemList] = useState([]); // items list
   const [currentItem, setCurrentItem] = useState(null); // index of current item (in item list)
   const [rerender, setRerender] = useState(false);
@@ -81,16 +82,6 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
   const queryCache = props.cacheKey ? superCache[props.cacheKey].query : useRef({}).current;
   const valueCache = props.cacheKey ? superCache[props.cacheKey].value : useRef({}).current;
 
-  useEffect(() => {
-    const ids = [];
-    for (const key of selectedKeys) if (!valueCache[key]) ids.push(key);
-    if (!ids.length) return;
-    Promise.resolve(props.fetchItems(ids)).then((items) => {
-      for (const item of items) valueCache[itemKey(item)] = item;
-      setRerender(!rerender);
-    });
-  }, [selectedKeys]);
-
   const queryList = async (query) => {
     if (!query && !allowEmptyQuery) {
       setItemList([]);
@@ -104,22 +95,25 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
   };
 
   const dispatchChange = () => {
-    const query = inputRef.current?.value;
-    const val = [...selectedKeys, query].filter((i) => i).join(',');
-    onChange(val);
+    if (!multi) onChange(inputRef.current?.value);
+    else onChange(selectedKeys.join(','));
   };
 
   useEffect(() => {
     dispatchChange();
+    const ids = [];
+    for (const key of selectedKeys) if (!valueCache[key]) ids.push(key);
+    if (!ids.length) return;
+    Promise.resolve(props.fetchItems(ids)).then((items) => {
+      for (const item of items) valueCache[itemKey(item)] = item;
+      setRerender(!rerender);
+    });
   }, [selectedKeys, multi]);
 
-  const handleInputChange = debounce(async (e) => {
-    const { target } = e;
-    const { value } = target;
-    queryList(value);
-  }, 300);
+  const handleInputChange = debounce((e?) => queryList(e ? e.target.value : ''), 300);
 
   const toggleItem = (item: T, key = itemKey(item)) => {
+    const shouldKeepOpen = allowEmptyQuery && inputRef.current.value === '' && !multi;
     if (multi) {
       const idx = selectedKeys.indexOf(key);
       if (idx !== -1) {
@@ -145,8 +139,10 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
       inputRef.current.value = key;
       dispatchChange();
     }
-    setItemList([]);
-    setCurrentItem(null);
+    if (!shouldKeepOpen) {
+      setItemList([]);
+      setCurrentItem(null);
+    }
   };
 
   const handleInputKeyDown = (e) => {
@@ -169,7 +165,7 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
     }
     if (key === 'Backspace') {
       if (target.value.length > 0) return;
-      if (selected.length > 0) {
+      if (selectedKeys.length > 0) {
         setSelected((s) => s.slice(0, -1));
         setSelectedKeys((s) => s.slice(0, -1));
       }
@@ -209,6 +205,7 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
     setQuery: (query) => {
       if (inputRef.current) inputRef.current.value = query;
     },
+    setSelectedKeys: (keys) => setSelectedKeys(keys),
     triggerQuery: () => queryList(inputRef.current?.value),
     closeList: () => {
       setItemList([]);
@@ -257,7 +254,10 @@ const AutoComplete = forwardRef(function Impl<T>(props: AutoCompleteProps<T>, re
             dispatchChange();
             handleInputChange(e);
           }}
-          onFocus={() => setFocused(true)}
+          onFocus={() => {
+            if (allowEmptyQuery) handleInputChange();
+            setFocused(true);
+          }}
           onBlur={() => setFocused(false)}
           onKeyDown={handleInputKeyDown}
           defaultValue={multi ? '' : selectedKeys.join(',')}
diff --git a/packages/ui-default/components/autocomplete/components/CustomSelectAutoComplete.tsx b/packages/ui-default/components/autocomplete/components/CustomSelectAutoComplete.tsx
index 1a922049..70d185a0 100644
--- a/packages/ui-default/components/autocomplete/components/CustomSelectAutoComplete.tsx
+++ b/packages/ui-default/components/autocomplete/components/CustomSelectAutoComplete.tsx
@@ -2,13 +2,23 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import AutoComplete from './AutoComplete';
 
+type DefaultProps = {
+  _id: string;
+  name: string;
+} & string;
+
 const CustomSelectAutoComplete = React.forwardRef<any, any>((props, ref) => (
-  <AutoComplete<any>
+  <AutoComplete<DefaultProps>
     ref={ref as any}
-    queryItems={(query) => props.data.filter((i) => (i.name ? i.name.match(query) : i.match(query)))}
+    fetchItems={(keys) => props.data.filter((i) => (i._id ? keys.includes(i._id) : keys.includes(i)))}
+    queryItems={(query) => props.data.filter((i) => (i.name
+      ? i.name.toLowerCase().match(query.toLowerCase())
+      : i.toString().toLowerCase().match(query.toLowerCase())
+    ))}
     itemText={(item) => `${item.name || item}`}
     itemKey={(item) => `${item._id?.toString() || item.name || item}`}
     renderItem={(item) => `${item.name || item}`}
+    allowEmptyQuery
     {...props}
   />
 ));
@@ -34,7 +44,6 @@ CustomSelectAutoComplete.defaultProps = {
   listStyle: {},
   multi: false,
   selectedKeys: [],
-  allowEmptyQuery: false,
   freeSolo: false,
   freeSoloConverter: (input) => input,
 };
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 04aac7fa..0e541919 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.34.33",
+  "version": "4.34.34",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/types.ts b/packages/ui-default/types.ts
index db9dfd50..da16dcc3 100644
--- a/packages/ui-default/types.ts
+++ b/packages/ui-default/types.ts
@@ -4,3 +4,4 @@ declare let UiContext: any;
 declare let Hydro: any;
 // eslint-disable-next-line camelcase
 declare let node_modules: any;
+declare let LANGS: Record<string, import('@hydrooj/utils/lib/lang').LangConfig>;