diff --git a/composer.json b/composer.json
index a512b44..0c44490 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "maiyoule/mqttclient_author",
   "type": "library",
   "description": "MQTT管理模块操作库",
-  "version": "1.1.2",
+  "version": "1.2.1",
   "license": "MIT",
   "authors": [
     {