diff --git a/package.json b/package.json
index 593e1f1..f34a538 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tovchain/cosms",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "query data form cosmos base networks template",
   "main": "build/main/index.js",
   "typings": "build/main/index.d.ts",
diff --git a/src/lib/cosmos/distribution.ts b/src/lib/cosmos/distribution.ts
index b9a27f8..f8eebf3 100644
--- a/src/lib/cosmos/distribution.ts
+++ b/src/lib/cosmos/distribution.ts
@@ -12,7 +12,7 @@ import { App } from './app';
 
 export class Distribution extends App {
   public declare query: QueryClientImpl;
-  public message: MsgClientImpl;
+  public declare message: MsgClientImpl;
   public protobuf = Protobuf;
 
   constructor(provider: Provider) {