diff --git a/README.md b/README.md
index 142ab6b..914dc85 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ var message = await OpenIM.iMManager.messageManager.createTextMessage(
      text: '我是消息内容',
  );
 // 发送
-OpenIM.iMManager.messageManagersendMessage(
+OpenIM.iMManager.messageManager.sendMessage(
    message: message,
    onlineUserOnly: false,
    userID: uid,