diff --git a/annotation/rpc-service.go b/annotation/rpc-service.go
new file mode 100644
index 0000000..4d3985e
--- /dev/null
+++ b/annotation/rpc-service.go
@@ -0,0 +1,17 @@
+package annotation
+
+import (
+	"reflect"
+
+	cda "git.loafle.net/commons/di-go/annotation"
+)
+
+var RPCServiceAnnotationType = reflect.TypeOf((*RPCServiceAnnotation)(nil))
+
+func init() {
+	cda.RegisterAnnotation(RPCServiceAnnotationType)
+}
+
+type RPCServiceAnnotation struct {
+	cda.TypeAnnotation `@annotation:"@overflow:RPCService"`
+}