diff --git a/core/service.go b/core/service.go
index f11e1e9..523eb9e 100644
--- a/core/service.go
+++ b/core/service.go
@@ -875,6 +875,16 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		}
 	} else {
 		delfilter["platform"] = sType
+		targetLinkId, err := sh.mongoClient.FindAll(CollectionLink, delfilter, options.Find().SetProjection(bson.M{
+			"_id": 1,
+		}))
+		if len(targetLinkId) != 1 {
+			logger.Error("delacc failed. FindAll link err :", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		delfilter = primitive.M{"_id": targetLinkId[0]["_id"].(primitive.ObjectID)}
 		delop = primitive.M{
 			"$unset": primitive.M{"_ts": true},
 		}