diff --git a/packages/rpc/src/decorators.ts b/packages/rpc/src/decorators.ts
index 030968642..9dd63673c 100644
--- a/packages/rpc/src/decorators.ts
+++ b/packages/rpc/src/decorators.ts
@@ -38,7 +38,7 @@ export class RpcAction {
 class RpcClass {
     t = new RpcController;
 
-    controller(nameOrDefinition: string | ControllerDefinition<any>) {
+    controller(nameOrDefinition?: string | ControllerDefinition<any>) {
         if ('string' === typeof nameOrDefinition) {
             this.t.name = nameOrDefinition;
         } else {
@@ -49,6 +49,10 @@ class RpcClass {
     addAction(name: string, action: RpcAction) {
         this.t.actions.set(name, action);
     }
+
+    onDecorator(classType: ClassType) {
+        this.t.name ||= classType.name;
+    }
 }
 
 export const rpcClass: ClassDecoratorResult<typeof RpcClass> = createClassDecoratorContext(RpcClass);