diff --git a/extend/chat/model/Base.php b/extend/chat/model/Base.php
index 71eb320..0d97178 100644
--- a/extend/chat/model/Base.php
+++ b/extend/chat/model/Base.php
@@ -25,7 +25,7 @@ namespace extend\chat\model;
         if($message['operate_type'] == 'sendMsg') {
             if (
                 empty($message['to_id']) ||
-                empty($message['to_id_type']) ||
+                empty($message['to_user_type']) ||
                 empty($message['chat_type']) ||
                 empty($message['msg_type'])
             ) {
diff --git a/extend/chat/model/Business.php b/extend/chat/model/Business.php
index 96ee158..6919cbe 100644
--- a/extend/chat/model/Business.php
+++ b/extend/chat/model/Business.php
@@ -17,7 +17,7 @@ class Business
         $sent = Redis::get($set_str);
         if($sent) {
             $sent = json_decode($sent, true);
-            $sent[count($sent - 1)] = $set_info_str;
+            $sent[count($sent)] = $set_info_str;
             Redis::set($set_str, json_encode($sent));
         }else {
             Redis::set($set_str, json_encode([$set_info_str]));