fix: fix bugs

src/context.ts

@@ -9,7 +9,7 @@ export const useContext = (initContext?: GlobalContext) => {
 };
 
 export const useContextKey = <T>(key: string, init: () => T): T => {
-  const _context = useContext();
+  const _context = useContext({});
   if (key && init) {
     _context[key] = init();
     return _context[key] as any;