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)