diff --git a/.env.template b/.env.template
index 6f6e393d..ec982907 100644
--- a/.env.template
+++ b/.env.template
@@ -12,7 +12,7 @@ SIGNOZ_BASE_URL=
 SIGNOZ_SERVICE_NAME=fastgpt-plugin
 
 # S3 Config
-# Customize S3 Endpoint. Such as https://example.com The URL returned will be rewrite by this Endpoint: https://example.com/{{filename}}
+# Customize S3 Base URL, for example: https://s3.example.com, make sure you can access your files via https://s3.example.com/[bucket]/[objectname]
 S3_EXTERNAL_BASE_URL=
 S3_ENDPOINT=localhost
 S3_PORT=9000
@@ -20,7 +20,7 @@ S3_USE_SSL=false
 S3_ACCESS_KEY=minioadmin
 S3_SECRET_KEY=minioadmin
 S3_UPLOAD_BUCKET=files # 系统工具，创建的临时文件，存储的桶，要求公开读私有写。
-S3_PLUGIN_BUCKET=fastgpt-plugin # 系统插件热安装文件都桶，私有读写。
+S3_PLUGIN_BUCKET=fastgpt-plugin # 系统插件热安装文件的桶，私有读写。
 
 # Signoz
 SIGNOZ_BASE_URL=
diff --git a/modules/tool/api/upload/confirmUpload.ts b/modules/tool/api/upload/confirmUpload.ts
index 90726f80..b282e6fe 100644
--- a/modules/tool/api/upload/confirmUpload.ts
+++ b/modules/tool/api/upload/confirmUpload.ts
@@ -13,6 +13,7 @@ export default s.route(contract.tool.upload.confirmUpload, async ({ body }) => {
 
   await mongoSessionRun(async (session) => {
     const toolId = await downloadTool(objectName);
+    if (!toolId) return Promise.reject('Can not parse ToolId from the tool, installation failed.');
     const oldTool = await MongoPluginModel.findOneAndUpdate(
       {
         toolId
diff --git a/modules/tool/controller.ts b/modules/tool/controller.ts
index 32259a0a..5baecd2d 100644
--- a/modules/tool/controller.ts
+++ b/modules/tool/controller.ts
@@ -27,6 +27,16 @@ export function getToolType(): z.infer<typeof ToolTypeListSchema> {
   }));
 }
 
+const removeFile = async (file: string) => {
+  try {
+    if (fs.existsSync(file)) {
+      await fs.promises.unlink(file);
+    }
+  } catch (err) {
+    addLog.warn(` delele File Error, ${getErrText(err)} `);
+  }
+};
+
 export async function refreshUploadedTools() {
   addLog.info('Refreshing uploaded tools');
   const existsFiles = uploadedTools.map((item) => item.toolDirName);
@@ -41,12 +51,6 @@ export async function refreshUploadedTools() {
 
   const newFiles = tools.filter((item) => !existsFiles.includes(item.objectName.split('/').pop()!));
 
-  const removeFile = async (file: string) => {
-    if (fs.existsSync(file)) {
-      await fs.promises.unlink(file);
-    }
-  };
-
   // merge remove and download steps into one Promise.all
   await Promise.all([
     ...deleteFiles.map((item) =>
@@ -85,9 +89,8 @@ export async function downloadTool(objectName: string) {
       return Promise.reject(err);
     });
     addLog.debug(`Downloaded tool: ${toolId}`);
+    return toolId;
   } catch {
-    if (fs.existsSync(filepath)) {
-      await fs.promises.unlink(filepath);
-    }
+    await removeFile(filepath);
   }
 }
diff --git a/modules/tool/init.ts b/modules/tool/init.ts
index 9af0658e..e3221543 100644
--- a/modules/tool/init.ts
+++ b/modules/tool/init.ts
@@ -6,6 +6,7 @@ import fs from 'fs';
 import { addLog } from '@/utils/log';
 import { ToolTypeEnum } from './type/tool';
 import { BuiltInToolBaseURL, UploadedToolBaseURL } from './utils';
+import { refreshUploadedTools } from './controller';
 
 const filterToolList = ['.DS_Store', '.git', '.github', 'node_modules', 'dist', 'scripts'];
 
@@ -131,4 +132,4 @@ export async function initUploadedTool() {
   );
 }
 
-export const initTools = () => Promise.all([initBuiltInTools(), initUploadedTool()]);
+export const initTools = async () => Promise.all([initBuiltInTools(), refreshUploadedTools()]);
diff --git a/src/cache/index.ts b/src/cache/index.ts
index 6772afcd..53906a5b 100644
--- a/src/cache/index.ts
+++ b/src/cache/index.ts
@@ -1,9 +1,9 @@
 import type { SystemCacheKeyEnum } from './type';
 import { randomUUID } from 'node:crypto';
 import { initCache } from './init';
-import { FASTGPT_REDIS_PREFIX, getGlobalRedisConnection } from '@/redis';
+import { getGlobalRedisConnection } from '@/redis';
 
-const cachePrefix = `${FASTGPT_REDIS_PREFIX}:VERSION_KEY:`;
+const cachePrefix = `VERSION_KEY:`;
 
 const getVersionKey = async (key: `${SystemCacheKeyEnum}`) => {
   if (!global.systemCache) initCache();
diff --git a/src/s3/controller.ts b/src/s3/controller.ts
index a3d9ea1a..838dcc65 100644
--- a/src/s3/controller.ts
+++ b/src/s3/controller.ts
@@ -16,6 +16,7 @@ import {
 
 export class S3Service {
   private client: Minio.Client;
+  private externalClient?: Minio.Client;
   private config: S3ConfigType;
 
   constructor(config: Partial<S3ConfigType>) {
@@ -32,6 +33,22 @@ export class S3Service {
       secretKey: this.config.secretKey,
       transportAgent: this.config.transportAgent
     });
+
+    this.externalClient = this.config.externalBaseUrl
+      ? (() => {
+          const urlObj = new URL(this.config.externalBaseUrl);
+          const endPoint = urlObj.hostname;
+          const useSSL = urlObj.protocol === 'https';
+          return new Minio.Client({
+            endPoint,
+            port: urlObj.port ? parseInt(urlObj.port) : useSSL ? 443 : 80,
+            useSSL,
+            accessKey: this.config.accessKey,
+            secretKey: this.config.secretKey,
+            transportAgent: this.config.transportAgent
+          });
+        })()
+      : undefined;
   }
 
   async initialize() {
@@ -290,8 +307,10 @@ export class S3Service {
     const name = this.generateFileId();
     const objectName = `${filepath}/${name}`;
 
+    const client = this.externalClient ?? this.client;
+
     try {
-      const policy = this.client.newPostPolicy();
+      const policy = client.newPostPolicy();
       policy.setBucket(this.config.bucket);
       policy.setKey(objectName);
       if (contentType) {
@@ -308,7 +327,19 @@ export class S3Service {
         ...metadata
       });
 
-      return { ...(await this.client.presignedPostPolicy(policy)), objectName };
+      const res = await client.presignedPostPolicy(policy);
+      const postURL = (() => {
+        if (this.config.externalBaseUrl) {
+          return `${this.config.externalBaseUrl}/${this.config.bucket}`;
+        } else {
+          return res.postURL;
+        }
+      })();
+      return {
+        postURL,
+        formData: res.formData,
+        objectName
+      };
     } catch (error) {
       addLog.error('Failed to generate Upload Presigned URL', error);
       return Promise.reject(`Failed to generate Upload Presigned URL: ${getErrText(error)}`);
diff --git a/src/s3/index.ts b/src/s3/index.ts
index 5fa186d5..120a709c 100644
--- a/src/s3/index.ts
+++ b/src/s3/index.ts
@@ -18,7 +18,8 @@ export const pluginFileS3Server = (() => {
   if (!global._pluginFileS3Server) {
     global._pluginFileS3Server = new S3Service({
       maxFileSize: 50 * 1024 * 1024, // 默认 50MB
-      bucket: process.env.S3_PLUGIN_BUCKET || 'plugin_files'
+      bucket: process.env.S3_PLUGIN_BUCKET || 'plugin_files',
+      externalBaseUrl: process.env.S3_EXTERNAL_BASE_URL
     });
   }
   return global._pluginFileS3Server;