diff --git a/core/service.go b/core/service.go
index b125ac4..f11e1e9 100644
--- a/core/service.go
+++ b/core/service.go
@@ -850,7 +850,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	accids, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
+	linkidMap, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
 		"accid": authInfo.Accid,
 	}, options.Find().SetProjection(bson.M{
 		"_id": 1,
@@ -861,12 +861,12 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var addIdFilter primitive.A
-	for _, accid := range accids {
-		addIdFilter = append(addIdFilter, accid["_id"].(primitive.ObjectID))
+	var linkidAry primitive.A
+	for _, linkid := range linkidMap {
+		linkidAry = append(linkidAry, linkid["_id"].(primitive.ObjectID))
 	}
 
-	delfilter := primitive.M{"_id": bson.M{"$in": addIdFilter}}
+	delfilter := primitive.M{"_id": bson.M{"$in": linkidAry}}
 	var delop primitive.M
 	if !cancel {
 		curtime := primitive.NewDateTimeFromTime(time.Now().UTC())
@@ -874,6 +874,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 			"$set": primitive.M{"_ts": curtime},
 		}
 	} else {
+		delfilter["platform"] = sType
 		delop = primitive.M{
 			"$unset": primitive.M{"_ts": true},
 		}
@@ -892,7 +893,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	logger.Println("delacc success :", accids)
+	logger.Println("delacc success :", linkidMap)
 }
 
 func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request) {