diff --git a/service/CrawlerService.go b/service/CrawlerService.go
index 56bd7b4..a7d0395 100644
--- a/service/CrawlerService.go
+++ b/service/CrawlerService.go
@@ -23,7 +23,7 @@ type CrawlerService struct {
 	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
 
 	SensorConfigService *SensorConfigService       `annotation:"@Inject()"`
-	Crawlers            map[string]crawler.Crawler `annotation:"@Resource(name=CONTAINER_CRAWLERS)"`
+	Crawlers            map[string]crawler.Crawler `annotation:"@Resource(name='CONTAINER_CRAWLERS')"`
 }
 
 func (s *CrawlerService) InitService() error {