diff --git a/src/services/database.service.ts b/src/services/database.service.ts
index 0044987..7365fbf 100755
--- a/src/services/database.service.ts
+++ b/src/services/database.service.ts
@@ -76,7 +76,7 @@ class Database {
           this.db = request.result;
           this.initServiceWorker();
           resolve();
-        }, 0);
+        }, 500);
       };
 
       request.onerror = () => {