update docs/架构设计/逻辑视图设计.md.

Signed-off-by: xujian <xujian@kylinos.cn>

docs/架构设计/逻辑视图设计.md

@@ -280,13 +280,22 @@ const (
 cmd指令数据结构示例
 
 ```
+type command_body struct {
+	System int
+	Baseline int
+	Fastscan int
+	User string
+	Pwd  string
+}
+
+
 type command_msg struct {
     Cmd 	int
     Ack   	int
-    ReqSn       int
-    Crc         int
+	ReqSn  int
+	Body   command_body
+	Crc    int
 }
-
 ```
 
 cmd指令json格式打包示例
@@ -294,12 +303,22 @@ cmd指令json格式打包示例
 ```
 func cmd_packaging(cmd Command)([]byte,error){
     
+	body:=command_body{
+		System:1,
+		Baseline:1,
+		Fastscan:1,
+		User:"",
+		Pwd:"",
+	}
+
 	pkg:=command_msg{
 		Cmd:int(cmd),
 		Ack:0,
 		ReqSn:Req_sn,
+		Body:body,
 		Crc:0,
 	}
+
 	Req_sn+=1
 	json_pkg, err := json.Marshal(pkg)
 	if err != nil {
@@ -308,6 +327,8 @@ func cmd_packaging(cmd Command)([]byte,error){
 	return json_pkg,err
 }
 
+转换的json格式举例：{"Cmd":0,"Ack":0,"ReqSn":0,"Body":{"System":1,"Baseline":1,"Fastscan":1,"User":"","Pwd":""},"Crc":0}
+
 ```
 
 cmd指令发送