diff --git a/modules/dragon/module.go b/modules/dragon/module.go
index 72f2819d9..8c55c2311 100644
--- a/modules/dragon/module.go
+++ b/modules/dragon/module.go
@@ -124,7 +124,7 @@ 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
 		}