@Override
        public com.google.protobuf.ByteString
        getWxIdBytes() {
            Object ref = wxId_;
            if (ref instanceof String) {
                com.google.protobuf.ByteString b =
                        com.google.protobuf.ByteString.copyFromUtf8(
                                (String) ref);
                wxId_ = b;
                return b;
            } else {
                return (com.google.protobuf.ByteString) ref;
            }
        }
<code>string wxId = 1;</code>

@return The bytes for wxId.
wx-dump-admin/src/main/java/com/xcs/wx/protobuf/ChatRoomProto.java