fix server api group operation failure issue

2020-07-01 14:20:04 +08:00
parent c4a764d81d
commit 5177779066
1 changed files with 2 additions and 0 deletions
@@ -19,6 +19,8 @@ abstract public class GroupHandler<T> extends IMHandler<T> {
    protected void sendGroupNotification(String fromUser, String targetId, List<Integer> lines, WFCMessage.MessageContent content) {
        if (lines == null) {
            lines = new ArrayList<>();
+        } else {
+            lines = new ArrayList<>(lines);
        }

        if (lines.isEmpty()) {