diff --git a/notes/helloshop/logo.svg b/notes/helloshop/logo.svg
deleted file mode 100644
index 6a2acd3..0000000
--- a/notes/helloshop/logo.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" style="fill-rule:evenodd; clip-rule:evenodd" width="48" height="48" viewBox="0 0 60 60">
-                        <polygon class="g-fill-primary" points="56.14870071411133,9.169990539550781 42.863704681396484,3.4079971313476562 42.863704681396484,49.37999725341797 3.851299285888672,43.495994567871094 42.60969924926758,56.592002868652344 56.14870071411133,51.05199432373047"></polygon>
-                        <path class="g-fill-primary" d="m12.159003,13.396001l20.6316,0l0,28.1622l-20.6316,0l0,-28.1622zm4.0149,4.2168l12.6018,0l0,19.7286l-12.6018,0l0,-19.7286z"></path>
-                        <path style="fill:#ff3333" d="m36.927703,6.266001c2.3484,0 4.2534,1.905 4.2534,4.2534c0,2.3488 -1.905,4.2538 -4.2534,4.2538c-2.3488,0 -4.2538,-1.905 -4.2538,-4.2538c0,-2.3484 1.905,-4.2534 4.2538,-4.2534zm-0.0001,2.0131c1.237,0 2.2404,1.0034 2.2404,2.2404c0,1.2372 -1.0034,2.2406 -2.2404,2.2406c-1.2372,0 -2.2406,-1.0034 -2.2406,-2.2406c0,-1.237 1.0034,-2.2404 2.2406,-2.2404z"></path>
-                    </svg>
\ No newline at end of file
diff --git a/notes/helloshop/upgrading-from-net-9.md b/notes/helloshop/upgrading-from-net-9.md
new file mode 100644
index 0000000..ce233e8
--- /dev/null
+++ b/notes/helloshop/upgrading-from-net-9.md
@@ -0,0 +1,25 @@
+# 更新 .NET 8.0 到 .NET 9.0
+
+## 更新 Visual Studio 最新预览版
+
+下载并安装 Visual Studio 预览版，安装 .NET 9.0 SDK。
+
+## 更新项目文件
+
+打开项目文件，将 `<TargetFramework>net8.0</TargetFramework>` 更新为 `<TargetFramework>net9.0</TargetFramework>`。
+
+## 更新 NuGet 包
+
+打开 NuGet 包管理器，更新所有 NuGet 包到最新版本。
+
+## 更新 Aspire 和  MAUI 工作负载
+
+打开 Aspire 工作负载，更新所有 Aspire 包到最新版本。
+
+```shell
+dotnet workload install aspire android ios maccatalyst maui-android maui-desktop maui-mobile maui-windows
+```
+
+## 若要将 Tab 自动补全添加到适用于 .NET CLI 的 PowerShell
+
+https://learn.microsoft.com/zh-cn/dotnet/core/tools/enable-tab-autocomplete
diff --git a/notes/mqtt/rabbitmq-management-mqtt.md b/notes/mqtt/rabbitmq-management-mqtt.md
index 2ee524f..532fda4 100644
--- a/notes/mqtt/rabbitmq-management-mqtt.md
+++ b/notes/mqtt/rabbitmq-management-mqtt.md
@@ -23,12 +23,26 @@ rabbitmq-plugins disable rabbitmq_mqtt
 rabbitmq-plugins enable rabbitmq_web_mqtt
 rabbitmq-plugins disable rabbitmq_web_mqtt
 
-rabbitmq rabbitmqctl enable_feature_flag all
-rabbitmq rabbitmqctl disable_feature_flag all
+rabbitmq-plugins enable_feature_flag all
+rabbitmq-plugins disable_feature_flag all
 ```
 
 # Rabbitmq Auth Backend Http
 
+```
+rabbitmq-plugins enable rabbitmq_auth_backend_http
+```
+
+修改 rabbitmq.conf 配置文件，位置 %AppData%\RabbitMQ
+
+```
+auth_backends.1 = http
+auth_http.http_method = post
+auth_http.user_path = http://some-server/api/RabbitMqAuth/User
+auth_http.vhost_path = http://some-server/api/RabbitMqAuth/Vhost
+auth_http.resource_path = http://some-server/api/RabbitMqAuth/Resource
+auth_http.topic_path = http://some-server/api/RabbitMqAuth/Topic
+```
 
 [RabbitMQ server to perform authentication](https://github.com/rabbitmq/rabbitmq-server/tree/main/deps/rabbitmq_auth_backend_http)