diff --git a/apps/web/preset.config.mjs b/apps/web/preset.config.mjs
index beb9477f4c..7a7a94408d 100644
--- a/apps/web/preset.config.mjs
+++ b/apps/web/preset.config.mjs
@@ -18,6 +18,9 @@ export const blockSuiteFeatureFlags = {
  * @type {import('@affine/env').BuildFlags}
  */
 export const buildFlags = {
+  enableAllPageFilter: process.env.ENABLE_ALL_PAGE_FILTER
+    ? process.env.ENABLE_ALL_PAGE_FILTER === 'true'
+    : false,
   enableImagePreviewModal: process.env.ENABLE_IMAGE_PREVIEW_MODAL
     ? process.env.ENABLE_IMAGE_PREVIEW_MODAL === 'true'
     : true,
diff --git a/packages/env/src/config.ts b/packages/env/src/config.ts
index 97e3ac5af0..804b4dc611 100644
--- a/packages/env/src/config.ts
+++ b/packages/env/src/config.ts
@@ -6,6 +6,12 @@ import { z } from 'zod';
 import { getUaHelper } from './ua-helper';
 
 export const buildFlagsSchema = z.object({
+  /**
+   * todo: remove this build flag when filter feature is ready.
+   *
+   * filter feature in the all pages.
+   */
+  enableAllPageFilter: z.boolean(),
   enableImagePreviewModal: z.boolean(),
   enableTestProperties: z.boolean(),
   enableBroadCastChannelProvider: z.boolean(),