Correct the document and json scheme

docs/Manual.md

@@ -1228,15 +1228,15 @@ For example:
 ```YAML
 http:
    - name: probe A
-     channels : [ Dev_Channel, Manager_Channel ]
+     channels : [ Mgmt_Channel ]
 shell:
    - name: probe B
-     channels: [ Ops_Channel ]
+     channels: [ Dev_Channel, QA_Channel ]
 notify:
    - discord: Discord
-     channels: [ Dev_Channel, Ops_Channel ]
+     channels: [ Mgmt_Channel, Dev_Channel ]
    - email: Gmail
-     channels: [ Mgmt_Channel ]
+     channels: [ QA_Channel ]
 ```
 
 Then, we will have the following diagram
@@ -1245,15 +1245,15 @@ Then, we will have the following diagram
 ┌───────┐          ┌──────────────┐
 │Probe B├─────────►│ Mgmt_Channel ├────┐
 └───────┘          └──────────────┘    │
-                                       │
+  http                                 │
                                        │
                    ┌─────────────┐     │   ┌─────────┐
             ┌─────►│ Dev_Channel ├─────▼───► Discord │
             │      └─────────────┘         └─────────┘
 ┌───────┐   │
 │Probe A├───┤
 └───────┘   │
-            │      ┌────────────┐          ┌─────────┐
+  shell     │      ┌────────────┐          ┌─────────┐
             └─────►│ QA_Channel ├──────────►  Gmail  │
                    └────────────┘          └─────────┘
 ```
@@ -1274,7 +1274,7 @@ pid: /var/run/easeprobe.pid
 - If the file already exists, EaseProbe would overwrite it.
 - If the file cannot be written, EaseProbe would exit with an error.
 
-If you want to disable the PID file, you can configure the pid file to "".
+If you want to disable the PID file, you can configure the pid file to "-".
 
 ```YAML
 settings: