diff --git a/modules/dragon/module.go b/modules/dragon/module.go
index 351383ffe..507ad7fef 100644
--- a/modules/dragon/module.go
+++ b/modules/dragon/module.go
@@ -122,7 +122,7 @@ func (this *Dragon) QueryDragonById(uid string, dragonid string) (dragon *pb.DBD
 		return
 	}
 	for _, v := range list {
-		if v.Dragonid == dragonid {
+		if v.Id == dragonid {
 			dragon = v
 			return
 		}