diff --git a/packages/backend/server/src/base/config/default.ts b/packages/backend/server/src/base/config/default.ts
index d8861ccb10..7018654362 100644
--- a/packages/backend/server/src/base/config/default.ts
+++ b/packages/backend/server/src/base/config/default.ts
@@ -20,7 +20,7 @@ function getPredefinedAFFiNEConfig(): PreDefinedAFFiNEConfig {
     'production',
     'script',
   ]);
-  const AFFINE_ENV = readEnv<AFFINE_ENV>('AFFINE_ENV', 'dev', [
+  const AFFINE_ENV = readEnv<AFFINE_ENV>('AFFINE_ENV', 'production', [
     'dev',
     'beta',
     'production',
diff --git a/packages/backend/server/src/core/selfhost/static.ts b/packages/backend/server/src/core/selfhost/static.ts
index 4f900d6647..d1f4c1ef24 100644
--- a/packages/backend/server/src/core/selfhost/static.ts
+++ b/packages/backend/server/src/core/selfhost/static.ts
@@ -107,7 +107,7 @@ export class StaticFilesResolver implements OnModuleInit {
     // fallback all unknown routes
     app.get([basePath, basePath + '/*'], this.check.use, (req, res) => {
       const mobile =
-        this.config.AFFINE_ENV === 'dev' &&
+        this.config.affine.canary &&
         isMobile({
           ua: req.headers['user-agent'] ?? undefined,
         });