版本：7.2.2
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/light/protobuf.js
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/light/protobuf.min.js
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/minimal/protobuf.js
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/minimal/protobuf.min.js
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/protobuf.js
- https://cdn.bootcdn.net/ajax/libs/protobufjs/7.2.2/protobuf.min.js