diff --git a/federation/src/dht_node/index.ts b/federation/src/dht_node/index.ts
index bb3dc7fab..7d33e41e9 100644
--- a/federation/src/dht_node/index.ts
+++ b/federation/src/dht_node/index.ts
@@ -17,6 +17,7 @@ const ERRORTIME = 240000
 const ANNOUNCETIME = 30000
 
 enum ApiVersionType {
+  V0_1 = 'v0_1',
   V1_0 = 'v1_0',
   V1_1 = 'v1_1',
   V2_0 = 'v2_0',
diff --git a/federation/src/graphql/api/0_1/resolver/TestResolver.ts b/federation/src/graphql/api/0_1/resolver/TestResolver.ts
new file mode 100644
index 000000000..bbb765765
--- /dev/null
+++ b/federation/src/graphql/api/0_1/resolver/TestResolver.ts
@@ -0,0 +1,22 @@
+import { Field, ObjectType, Query, Resolver } from 'type-graphql'
+import { backendLogger as logger } from '@/server/logger'
+
+@ObjectType()
+class GetTestApiResult {
+  constructor(apiVersion: string) {
+    this.api = `${apiVersion}`
+  }
+
+  @Field(() => String)
+  api: string
+}
+
+@Resolver()
+export class  TestResolver {
+  @Query(() => GetTestApiResult)
+  async test(): Promise<GetTestApiResult> {
+    logger.info(`test api 0_1`)
+    return new GetTestApiResult("0_1")
+  }
+}
+