diff --git a/.env.template b/.env.template
index 6b6021392..7be2f86f3 100644
--- a/.env.template
+++ b/.env.template
@@ -55,7 +55,7 @@ NEXT_PUBLIC_ENABLE_NODEJS_PLUGIN=1
 # (optional)
 # Default: Empty
 # If you want to enable RAG, set this value to 1.
-NEXT_PUBLIC_ENABLE_RAG=
+ENABLE_RAG=
 
 # (optional)
 # Default: Empty
diff --git a/app/api/config/route.ts b/app/api/config/route.ts
index db84fba17..aed95a1b4 100644
--- a/app/api/config/route.ts
+++ b/app/api/config/route.ts
@@ -13,6 +13,7 @@ const DANGER_CONFIG = {
   hideBalanceQuery: serverConfig.hideBalanceQuery,
   disableFastLink: serverConfig.disableFastLink,
   customModels: serverConfig.customModels,
+  isEnableRAG: serverConfig.isEnableRAG,
 };
 
 declare global {
diff --git a/app/api/file/upload/route.ts b/app/api/file/upload/route.ts
index e9a0b0ae1..c372065e7 100644
--- a/app/api/file/upload/route.ts
+++ b/app/api/file/upload/route.ts
@@ -21,14 +21,9 @@ async function handle(req: NextRequest) {
   try {
     const formData = await req.formData();
     const file = formData.get("file") as File;
+    const fileData = await file.arrayBuffer();
     const originalFileName = file?.name;
 
-    let fileData: ArrayBuffer | undefined;
-    for (const [key, value] of formData.entries()) {
-      if (value instanceof File) {
-        fileData = await value.arrayBuffer();
-      }
-    }
     if (!fileData) throw new Error("Get file buffer error");
     const buffer = Buffer.from(fileData);
     const fileType = path.extname(originalFileName).slice(1);
diff --git a/app/api/langchain-tools/nodejs_tools.ts b/app/api/langchain-tools/nodejs_tools.ts
index 4683b39fb..8bdb1892b 100644
--- a/app/api/langchain-tools/nodejs_tools.ts
+++ b/app/api/langchain-tools/nodejs_tools.ts
@@ -60,7 +60,7 @@ export class NodeJSTool {
       wolframAlphaTool,
       pdfBrowserTool,
     ];
-    if (!!process.env.NEXT_PUBLIC_ENABLE_RAG) {
+    if (!!process.env.ENABLE_RAG) {
       tools.push(new RAGSearch(this.sessionId, this.model, this.ragEmbeddings));
     }
     return tools;
diff --git a/app/api/langchain-tools/rag_search.ts b/app/api/langchain-tools/rag_search.ts
index 16755ea39..c3db3c4c3 100644
--- a/app/api/langchain-tools/rag_search.ts
+++ b/app/api/langchain-tools/rag_search.ts
@@ -37,6 +37,8 @@ export class RAGSearch extends Tool {
   /** @ignore */
   async _call(inputs: string, runManager?: CallbackManagerForToolRun) {
     const serverConfig = getServerSideConfig();
+    if (!serverConfig.isEnableRAG)
+      throw new Error("env ENABLE_RAG not configured");
     // const pinecone = new Pinecone();
     // const pineconeIndex = pinecone.Index(serverConfig.pineconeIndex!);
     // const vectorStore = await PineconeStore.fromExistingIndex(this.embeddings, {
diff --git a/app/components/chat.tsx b/app/components/chat.tsx
index 7ddb929ad..01e9eb62a 100644
--- a/app/components/chat.tsx
+++ b/app/components/chat.tsx
@@ -117,7 +117,6 @@ import {
   SpeechApi,
   WebTranscriptionApi,
 } from "../utils/speech";
-import { getServerSideConfig } from "../config/server";
 import { FileInfo } from "../client/platforms/utils";
 
 const ttsPlayer = createTTSPlayer();
@@ -507,14 +506,18 @@ export function ChatActions(props: {
   );
   const [showModelSelector, setShowModelSelector] = useState(false);
   const [showUploadImage, setShowUploadImage] = useState(false);
-
   const [showUploadFile, setShowUploadFile] = useState(false);
+
   const accessStore = useAccessStore();
+  const isEnableRAG = useMemo(
+    () => accessStore.enableRAG(),
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    [],
+  );
 
   useEffect(() => {
     const show = isVisionModel(currentModel);
     setShowUploadImage(show);
-    const isEnableRAG = !!process.env.NEXT_PUBLIC_ENABLE_RAG;
     setShowUploadFile(isEnableRAG && !show && isSupportRAGModel(currentModel));
     if (!show) {
       props.setAttachImages([]);
diff --git a/app/config/server.ts b/app/config/server.ts
index 7a8228b9f..36ff0d3cf 100644
--- a/app/config/server.ts
+++ b/app/config/server.ts
@@ -112,7 +112,7 @@ export const getServerSideConfig = () => {
       !process.env.R2_ACCOUNT_ID &&
       !process.env.S3_ENDPOINT,
 
-    isEnableRAG: !!process.env.NEXT_PUBLIC_ENABLE_RAG,
+    isEnableRAG: !!process.env.ENABLE_RAG,
     ragEmbeddingModel:
       process.env.RAG_EMBEDDING_MODEL ?? "text-embedding-3-large",
     ragChunkSize: process.env.RAG_CHUNK_SIZE ?? "2000",
diff --git a/app/store/access.ts b/app/store/access.ts
index 75442a6a9..c10e4e6c9 100644
--- a/app/store/access.ts
+++ b/app/store/access.ts
@@ -56,8 +56,10 @@ export const useAccessStore = createPersistStore(
       return get().needCode;
     },
 
-    isEnableRAG() {
-      return ensure(get(), ["isEnableRAG"]);
+    enableRAG() {
+      this.fetch();
+
+      return get().isEnableRAG;
     },
 
     isValidOpenAI() {
diff --git a/app/store/chat.ts b/app/store/chat.ts
index b46ef2819..9293aecf4 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -374,9 +374,9 @@ export const useChatStore = createPersistStore(
           session.messages.push(savedUserMessage);
           session.messages.push(botMessage);
         });
+        const isEnableRAG = attachFiles && attachFiles?.length > 0;
         var api: ClientApi;
         api = new ClientApi(ModelProvider.GPT);
-        const isEnableRAG = !!process.env.NEXT_PUBLIC_ENABLE_RAG;
         if (
           config.pluginConfig.enable &&
           session.mask.usePlugins &&
diff --git a/app/utils.ts b/app/utils.ts
index 2d4155501..e6042402b 100644
--- a/app/utils.ts
+++ b/app/utils.ts
@@ -3,6 +3,7 @@ import { showToast } from "./components/ui-lib";
 import Locale from "./locales";
 import { RequestMessage } from "./client/api";
 import { DEFAULT_MODELS } from "./constant";
+import { useAccessStore } from "./store";
 
 export function trimTopic(topic: string) {
   // Fix an issue where double quotes still show in the Indonesian language
diff --git a/docs/rag-cn.md b/docs/rag-cn.md
index 2183f2495..6f56ea3ee 100644
--- a/docs/rag-cn.md
+++ b/docs/rag-cn.md
@@ -41,7 +41,7 @@
 
 ## 环境变量
 
-### `NEXT_PUBLIC_ENABLE_RAG`
+### `ENABLE_RAG`
 
 如果你想启用 RAG 功能，将此环境变量设置为 1 即可。