diff --git a/packages/center/index.ts b/packages/center/index.ts
index 35d4da29..26bf9ec2 100644
--- a/packages/center/index.ts
+++ b/packages/center/index.ts
@@ -84,7 +84,7 @@ class DataReportHandler extends Handler {
         }
         this.ctx.emit('center/report', this, installId, old, payload);
         // TODO deliver messages
-        this.response.body = { code: 0, u: lt(payload.version, old.version) };
+        this.response.body = { code: 0 };
     }
 }
 
diff --git a/packages/center/package.json b/packages/center/package.json
index 5331b34b..d00d4f79 100644
--- a/packages/center/package.json
+++ b/packages/center/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/center",
-    "version": "0.2.4",
+    "version": "0.2.5",
     "main": "index.ts",
     "repository": "https://github.com/hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",