diff --git a/napi/napi_query_syscap.cpp b/napi/napi_query_syscap.cpp
index f089b36..dee0ef4 100644
--- a/napi/napi_query_syscap.cpp
+++ b/napi/napi_query_syscap.cpp
@@ -223,6 +223,7 @@ napi_value QuerySystemCapability(napi_env env, napi_callback_info info)
         },
         (void*)asyncContext, &asyncContext->work);
     napi_queue_async_work(env, asyncContext->work);
+    delete asyncContext;
 
     return result;
 }