diff --git a/.env.example b/.env.example
index 3c356d9..6d24e2b 100644
--- a/.env.example
+++ b/.env.example
@@ -40,3 +40,5 @@ SMTP_IGNORETLS=false
 # Postmark driver config
 POSTMARK_TOKEN=
 
+# for custom drawio server
+DRAWIO_URL=
\ No newline at end of file
diff --git a/apps/client/src/features/editor/components/drawio/drawio-view.tsx b/apps/client/src/features/editor/components/drawio/drawio-view.tsx
index 3750594..b931781 100644
--- a/apps/client/src/features/editor/components/drawio/drawio-view.tsx
+++ b/apps/client/src/features/editor/components/drawio/drawio-view.tsx
@@ -3,7 +3,7 @@ import { ActionIcon, Card, Image, Modal, Text, useComputedColorScheme } from '@m
 import { useRef, useState } from 'react';
 import { uploadFile } from '@/features/page/services/page-service.ts';
 import { useDisclosure } from '@mantine/hooks';
-import { getFileUrl } from '@/lib/config.ts';
+import { getDrawioUrl, getFileUrl } from '@/lib/config.ts';
 import {
   DrawIoEmbed,
   DrawIoEmbedRef,
@@ -87,6 +87,7 @@ export default function DrawioView(props: NodeViewProps) {
               <DrawIoEmbed
                 ref={drawioRef}
                 xml={initialXML}
+                baseUrl={getDrawioUrl()}
                 urlParameters={{
                   ui: computedColorScheme === 'light' ? 'kennedy' : 'dark',
                   spin: true,
diff --git a/apps/client/src/lib/config.ts b/apps/client/src/lib/config.ts
index f6ff3fb..828adf0 100644
--- a/apps/client/src/lib/config.ts
+++ b/apps/client/src/lib/config.ts
@@ -57,6 +57,14 @@ export function getFileUrl(src: string) {
 }
 
 export function getFileUploadSizeLimit() {
-    const limit = window.CONFIG?.FILE_UPLOAD_SIZE_LIMIT || process?.env.FILE_UPLOAD_SIZE_LIMIT || '50mb';
+    const limit =getConfigValue("FILE_UPLOAD_SIZE_LIMIT", "50mb");
     return bytes(limit);
+}
+
+export function getDrawioUrl() {
+    return getConfigValue("DRAWIO_URL", "https://embed.diagrams.net");
+}
+
+function getConfigValue(key: string, defaultValue: string = undefined) {
+    return window.CONFIG?.[key] || process?.env?.[key] || defaultValue;
 }
\ No newline at end of file
diff --git a/apps/client/src/lib/utils.ts b/apps/client/src/lib/utils.ts
index 077c9d4..f56bbc1 100644
--- a/apps/client/src/lib/utils.ts
+++ b/apps/client/src/lib/utils.ts
@@ -74,4 +74,4 @@ export function decodeBase64ToSvgString(base64Data: string): string {
 
 export function capitalizeFirstChar(string: string) {
   return string.charAt(0).toUpperCase() + string.slice(1);
-}
\ No newline at end of file
+}
diff --git a/apps/client/vite.config.ts b/apps/client/vite.config.ts
index 4ffa6b5..571481f 100644
--- a/apps/client/vite.config.ts
+++ b/apps/client/vite.config.ts
@@ -5,13 +5,14 @@ import * as path from "path";
 export const envPath = path.resolve(process.cwd(), "..", "..");
 
 export default defineConfig(({ mode }) => {
-  const { APP_URL, FILE_UPLOAD_SIZE_LIMIT } = loadEnv(mode, envPath, "");
+  const { APP_URL, FILE_UPLOAD_SIZE_LIMIT, DRAWIO_URL } = loadEnv(mode, envPath, "");
 
   return {
     define: {
       "process.env": {
         APP_URL,
-        FILE_UPLOAD_SIZE_LIMIT
+        FILE_UPLOAD_SIZE_LIMIT,
+        DRAWIO_URL
       },
       'APP_VERSION': JSON.stringify(process.env.npm_package_version),
     },
diff --git a/apps/server/src/integrations/environment/environment.service.ts b/apps/server/src/integrations/environment/environment.service.ts
index 3daa822..c40ec91 100644
--- a/apps/server/src/integrations/environment/environment.service.ts
+++ b/apps/server/src/integrations/environment/environment.service.ts
@@ -122,6 +122,10 @@ export class EnvironmentService {
     return this.configService.get<string>('POSTMARK_TOKEN');
   }
 
+  getDrawioUrl(): string {
+    return this.configService.get<string>('DRAWIO_URL');
+  }
+
   isCloud(): boolean {
     const cloudConfig = this.configService
       .get<string>('CLOUD', 'false')
diff --git a/apps/server/src/integrations/static/static.module.ts b/apps/server/src/integrations/static/static.module.ts
index 1753605..13dce24 100644
--- a/apps/server/src/integrations/static/static.module.ts
+++ b/apps/server/src/integrations/static/static.module.ts
@@ -33,7 +33,8 @@ export class StaticModule implements OnModuleInit {
         ENV: this.environmentService.getNodeEnv(),
         APP_URL: this.environmentService.getAppUrl(),
         IS_CLOUD: this.environmentService.isCloud(),
-        FILE_UPLOAD_SIZE_LIMIT: this.environmentService.getFileUploadSizeLimit()
+        FILE_UPLOAD_SIZE_LIMIT: this.environmentService.getFileUploadSizeLimit(),
+        DRAWIO_URL: this.environmentService.getDrawioUrl()
       };
 
       const windowScriptContent = `<script>window.CONFIG=${JSON.stringify(configString)};</script>`;