# dubbo.properties
dubbo.protocol.serialization=avro
# or
dubbo.consumer.serialization=avro
# or
dubbo.reference.com.demo.DemoService.serialization=avro
或
<dubbo:protocolserialization="avro"/><!-- or --><dubbo:consumerserialization="avro"/><!-- or --><dubbo:referenceinterface="xxx"serialization="avro"/>