diff --git a/.nvmrc b/.nvmrc
index 7b8e176..dd6db9f 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-24.0.0-nightly202412106c03beba46
\ No newline at end of file
+23.5.0
\ No newline at end of file
diff --git a/package.json b/package.json
index 8b5e830..66e15ab 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,9 @@
   "private": true,
   "license": "UNLICENSED",
   "scripts": {
+    "prestart": "npm run prisma:generate",
+    "start": "nest start --watch",
     "build": "nest build",
-    "start": "nest start",
-    "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
     "prisma:generate": "npx prisma generate --schema=./epess-database/prisma/schema.prisma",
diff --git a/src/Document/document.schema.ts b/src/Document/document.schema.ts
index 552b5a2..21834e1 100644
--- a/src/Document/document.schema.ts
+++ b/src/Document/document.schema.ts
@@ -6,7 +6,6 @@ import {
   PothosSchema,
   SchemaBuilderToken,
 } from "@smatch-corp/nestjs-pothos";
-import Delta from "quill-delta";
 import { MinioService } from "src/Minio/minio.service";
 import { PromptType } from "src/OpenAI/openai.service";
 import { RedisService } from "src/Redis/redis.service";
diff --git a/src/Graphql/graphql.module.ts b/src/Graphql/graphql.module.ts
index 4690ddc..f06dd7d 100644
--- a/src/Graphql/graphql.module.ts
+++ b/src/Graphql/graphql.module.ts
@@ -114,10 +114,9 @@ import { GraphqlService } from "./graphql.service";
         plugins: [ApolloServerPluginLandingPageLocalDefault()],
         installSubscriptionHandlers: true,
         subscriptions: {
+          keepAlive: 10000,
           "graphql-ws": {
-            onSubscribe(ctx, message) {
-              console.log("onSubscribe", ctx, message);
-            },
+            connectionInitWaitTimeout: 10000,
             onConnect: (ctx: Context<Record<string, unknown>>) => {
               if (!ctx.connectionParams) {
                 Logger.log("No connectionParams provided", "GraphqlModule");