diff --git a/server/package-lock.json b/server/package-lock.json
index 0d11f4b..42bcb29 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -10,6 +10,7 @@
       "license": "AGPL-3.0-or-later",
       "dependencies": {
         "@expo/spawn-async": "^1.7.2",
+        "@fastify/send": "^3.1.1",
         "@fastify/static": "^8.0.2",
         "@wordpress/escape-html": "^3.11.0",
         "axios": "^1.7.7",
@@ -2922,6 +2923,30 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "send": {
+      "name": "@fastify/send",
+      "version": "3.1.1",
+      "extraneous": true,
+      "license": "MIT",
+      "dependencies": {
+        "@lukeed/ms": "^2.0.2",
+        "escape-html": "~1.0.3",
+        "fast-decode-uri-component": "^1.0.1",
+        "http-errors": "^2.0.0",
+        "mime": "^3"
+      },
+      "devDependencies": {
+        "@fastify/pre-commit": "^2.1.0",
+        "@types/node": "^22.0.0",
+        "after": "0.8.2",
+        "benchmark": "^2.1.4",
+        "snazzy": "^9.0.0",
+        "standard": "^17.1.0",
+        "supertest": "6.3.4",
+        "tap": "^21.0.0",
+        "tsd": "^0.31.0"
+      }
     }
   }
 }
diff --git a/server/package.json b/server/package.json
index 197e047..e625722 100644
--- a/server/package.json
+++ b/server/package.json
@@ -36,6 +36,7 @@
   },
   "dependencies": {
     "@expo/spawn-async": "^1.7.2",
+    "@fastify/send": "^3.1.1",
     "@fastify/static": "^8.0.2",
     "@wordpress/escape-html": "^3.11.0",
     "axios": "^1.7.7",
diff --git a/server/src/controller/both/EntityController.ts b/server/src/controller/both/EntityController.ts
index 5287c47..7d8a034 100644
--- a/server/src/controller/both/EntityController.ts
+++ b/server/src/controller/both/EntityController.ts
@@ -64,10 +64,11 @@ export default class EntityController {
     // Make a file stream
     const sendOption: SendOptions = {
       'acceptRanges': true,
-      'cacheControl': true,
+      // 'maxChunkSize': 1024 * 1024 * 8,
+      // 'cacheControl': true,
       'root': rootPath,
-      'immutable': true,
-      'maxAge': 24 * 3600 * 7,
+      // 'immutable': true,
+      // 'maxAge': 24 * 3600 * 7 * 1000,
     };
     const sendResult = await send(req.raw, encodeURI(entityPath), sendOption);
     if (sendResult.type !== 'file') {