1 files changed, 10 insertions, 10 deletions
diff --git a/packages/web-util/src/hooks/useMemoryStorage.ts b/packages/web-util/src/hooks/useMemoryStorage.ts
index d8be24c1e..1dd263797 100644
--- a/packages/web-util/src/hooks/useMemoryStorage.ts
+++ b/packages/web-util/src/hooks/useMemoryStorage.ts
@@ -27,37 +27,37 @@ const storage: ObservableMap<string, any> = memoryMap<any>();
 
 //with initial value
 export function useMemoryStorage<Type = string>(
-  key: StorageKey<Type>,
+  key: string,
   defaultValue: Type,
 ): Required<StorageState<Type>>;
 //with initial value
 export function useMemoryStorage<Type = string>(
-  key: StorageKey<Type>,
+  key: string,
 ): StorageState<Type>;
 // impl
 export function useMemoryStorage<Type = string>(
-  key: StorageKey<Type>,
+  key: string,
   defaultValue?: Type,
 ): StorageState<Type> {
   const [storedValue, setStoredValue] = useState<Type | undefined>(
     (): Type | undefined => {
-      const prev = storage.get(key.id);
-      return prev;
+      const prev = storage.get(key);
+      return prev === undefined ? defaultValue : prev;
     },
   );
 
   useEffect(() => {
-    return storage.onUpdate(key.id, () => {
-      const newValue = storage.get(key.id);
-      setStoredValue(newValue);
+    return storage.onUpdate(key, () => {
+      const newValue = storage.get(key);
+      setStoredValue(newValue === undefined ? defaultValue : newValue);
     });
   }, []);
 
   const setValue = (value?: Type): void => {
     if (value === undefined) {
-      storage.delete(key.id);
+      storage.delete(key);
     } else {
-      storage.set(key.id, value);
+      storage.set(key, value);
     }
   };