fix: UDM签约cag参数允许为空

src/modules/network_data/controller/udm_sub.go

@@ -188,10 +188,7 @@ func (s *UDMSubController) Adds(c *gin.Context) {
 	// 发送MML
 	cmd := fmt.Sprintf("baa udmuser:start_imsi=%s,start_msisdn=%s,sub_num=%s,", body.IMSI, body.MSISDN, num)
 	cmd += s.udmSubService.ParseCommandParams(body)
-	// static_ip指给4G UE分配的静态IP，没有可不带此字段名，批量添加IP会自动递增
-	if body.StaticIp != "" {
-		cmd += fmt.Sprintf(",static_ip=%s", body.StaticIp)
-	}
+	// 去除msisdn参数，避免重复
 	omemsisdn := fmt.Sprintf(",msisdn=%s,", body.MSISDN)
 	cmd = strings.Replace(cmd, omemsisdn, ",", 1)
 	data, err := telnet.ConvertToStr(telnetClient, cmd)

src/modules/network_data/service/udm_sub.go

@@ -347,6 +347,7 @@ func (r *UDMSubUser) ParseCommandParams(item model.UDMSubUser) string {
 	if item.ApnContext != "" {
 		conditions = append(conditions, fmt.Sprintf("apn_context=%s", item.ApnContext))
 	}
+	// static_ip指给4G UE分配的静态IP，没有可不带此字段名，批量添加IP会自动递增
 	if item.StaticIp != "" {
 		conditions = append(conditions, fmt.Sprintf("static_ip=%s", item.StaticIp))
 	}
@@ -358,8 +359,7 @@ func (r *UDMSubUser) ParseCommandParams(item model.UDMSubUser) string {
 	if item.SmData != "" {
 		conditions = append(conditions, fmt.Sprintf("sm_data=%s", item.SmData))
 	}
-	if item.Cag != "" {
-		conditions = append(conditions, fmt.Sprintf("cag=%s", item.Cag))
-	}
+	conditions = append(conditions, fmt.Sprintf("cag=%s", item.Cag))
+
 	return strings.Join(conditions, ",")
 }