diff --git a/packages/core/lib/cache/cache.ts b/packages/core/lib/cache/cache.ts
index a787b1c..17b5417 100644
--- a/packages/core/lib/cache/cache.ts
+++ b/packages/core/lib/cache/cache.ts
@@ -4,15 +4,9 @@ import { CacheService } from './service';
 import { genKeyFromObj } from './utils/genKey';
 
 export class Cache {
-  static store(store?: string): CacheDriver {
-    const cacheConfig = ConfigService.get('cache');
-    store = store || cacheConfig.default;
-    return CacheService.createStore(store, cacheConfig.stores[store]);
-  }
+  static store = CacheStore;
 
-  static genKey(obj: Record<string, any>): string {
-    return genKeyFromObj(obj);
-  }
+  static genKey = GenCacheKey;
 }
 
 export function GenCacheKey(obj: Record<string, any>): string {