diff --git a/client/grpc/grpc.go b/client/grpc/grpc.go
index b067d826..9a1843bc 100644
--- a/client/grpc/grpc.go
+++ b/client/grpc/grpc.go
@@ -33,7 +33,7 @@ type grpcClient struct {
 
 func init() {
 	encoding.RegisterCodec(wrapCodec{jsonCodec{}})
-	encoding.RegisterCodec(wrapCodec{jsonCodec{}})
+	encoding.RegisterCodec(wrapCodec{protoCodec{}})
 	encoding.RegisterCodec(wrapCodec{bytesCodec{}})
 }
 
diff --git a/network/router/options.go b/network/router/options.go
index 9c5581d4..0d525f76 100644
--- a/network/router/options.go
+++ b/network/router/options.go
@@ -67,6 +67,6 @@ func DefaultOptions() Options {
 		Address:  DefaultAddress,
 		Registry: registry.DefaultRegistry,
 		Table:    NewTable(),
-		Network: "local",
+		Network:  "local",
 	}
 }
diff --git a/server/grpc/grpc.go b/server/grpc/grpc.go
index 2f6e1d40..4ff4b79f 100644
--- a/server/grpc/grpc.go
+++ b/server/grpc/grpc.go
@@ -56,8 +56,8 @@ type grpcServer struct {
 }
 
 func init() {
-	encoding.RegisterCodec(wrapCodec{protoCodec{}})
 	encoding.RegisterCodec(wrapCodec{jsonCodec{}})
+	encoding.RegisterCodec(wrapCodec{protoCodec{}})
 	encoding.RegisterCodec(wrapCodec{bytesCodec{}})
 }