diff --git a/core/service.go b/core/service.go
index cc536b2..9da0fc7 100644
--- a/core/service.go
+++ b/core/service.go
@@ -546,7 +546,7 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 	}
 
 	platformName := "platform"
-	links, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
+	links, err := sh.mongoClient.FindAll(CollectionLink, bson.M{
 		"accid": authInfo.Accid,
 	}, options.Find().SetLimit(sh.MaximumNumLinkAccount).SetProjection(bson.M{
 		platformName: 1,