@Override
    public String toString() {
        return "PluginSnapshotVO{"
                + "id='" + id + '\''
                + ", name='" + name + '\''
                + ", config='" + config + '\''
                + ", role='" + role + '\''
                + ", handleCount=" + handleCount
                + ", selectorCount=" + selectorCount
                + '}';
    }
set selector count.

@param selectorCount value
shenyu-admin/src/main/java/org/apache/shenyu/admin/model/vo/PluginSnapshotVO.java