diff --git a/core/service.go b/core/service.go
index 5fc546e..fe2bfda 100644
--- a/core/service.go
+++ b/core/service.go
@@ -546,10 +546,10 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 	}
 
 	platformName := "platform"
-	links, err := sh.mongoClient.FindAll(CollectionLink, bson.M{
+	accDocs, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
 		"accid": authInfo.Accid,
 	}, options.Find().SetLimit(sh.MaximumNumLinkAccount).SetProjection(bson.M{
-		platformName: 1,
+		"_id": 1,
 	}))
 	if err != nil {
 		logger.Error("linkinfo failed. CountDocuments err :", err)
@@ -557,6 +557,17 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	var ids primitive.A
+	for _, accDoc := range accDocs {
+		ids = append(ids, accDoc["_id"].(primitive.ObjectID))
+	}
+
+	links, err := sh.mongoClient.FindAll(CollectionLink, bson.M{
+		"_id": bson.M{"$in": ids},
+	}, options.Find().SetLimit(sh.MaximumNumLinkAccount).SetProjection(bson.M{
+		platformName: 1,
+	}))
+
 	var linkstrs []string
 	for _, link := range links {
 		linkstrs = append(linkstrs, link[platformName].(string))