fix some bug and produce many problem to solve later

src/Realtime/realtime.module.ts

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common'
+import { RealtimeService } from './realtime.service'
+
+@Module({
+  providers: [RealtimeService],
+  exports: [RealtimeService],
+})
+export class RealtimeModule {}