[]嵌套类型的protobuf报错

message LoginResult {
 required int32 result = 1;
 optional string authToken = 2;
 repeated ServerInfo serverList = 3;
 optional int32 platformErrorCode = 4;
 optional string par1 = 5;
 optional string par2 = 6;
 optional string recommendedUId = 7;
}

message ServerInfo {
 required int32 id = 1;
 required string name = 2;
 required string address = 3; 
 required int32 status = 4;
 optional string serverUId = 5;
 optional int32 controlStatus = 6;
 optional string closeMessage = 7;
}
 
这种嵌套类型的proto decode的时候报错
 
Uncaught TypeError: this.clazz is not a constructor
    at Message.ProtoBuf.Reflect.MessagePrototype.decode (protobuf.js?tick=17185:3213)
    at Element.ProtoBuf.Reflect.ElementPrototype.decode (protobuf.js?tick=17185:2201)
    at Field.ProtoBuf.Reflect.FieldPrototype.decode (protobuf.js?tick=17185:3743)
    at Message.ProtoBuf.Reflect.MessagePrototype.decode (protobuf.js?tick=17185:3249)
    at Function.ProtoBuf.Reflect.MessagePrototype.build.Message.decode (protobuf.js?tick=17185:2949)
    at ProtobufConverter.gtea.net.ProtobufConverter.__proto__.decode (gtea.js?tick=17185:1120)
    at XMLHttpRequest.BaseUI.extend.getServerData.request.onreadystatechange (login.js:467)