diff --git a/rw_core/core/device_agent_test.go b/rw_core/core/device_agent_test.go
index 8200ae7..b00c42c 100755
--- a/rw_core/core/device_agent_test.go
+++ b/rw_core/core/device_agent_test.go
@@ -112,8 +112,11 @@
 	cfg.GrpcHost = "127.0.0.1"
 	setCoreCompeteMode(inCompeteMode)
 	client := setupKVClient(cfg, dat.coreInstanceID)
-	dat.core = NewCore(dat.coreInstanceID, cfg, client, dat.kClient)
-	dat.core.Start(context.Background())
+	dat.core = NewCore(context.Background(), dat.coreInstanceID, cfg, client, dat.kClient)
+	err = dat.core.Start(context.Background())
+	if err != nil {
+		log.Fatal("Cannot start core")
+	}
 }
 
 func (dat *DATest) stopAll() {