RTSP协议网页无插件直播平台EasyNVR通道管理搜索纯数字关键词，返回结果为空如何解决？

if form.Q != "" {
   ch, _ := strconv.Atoi(form.Q)
   if ch > 0 {
      db = db.Where("id = ?", ch)
   } else {
      db = db.Where("name like ?", "%"+form.Q+"%")
   }
}

if form.Q != "" {
   sql := ""
   ch, _ := strconv.Atoi(form.Q)
   if ch > 0 {
      sql = "id = ? or name like ?"
      db = db.Where(sql, ch, "%"+form.Q+"%")
   } else {
      sql = "name like ?"
      db = db.Where(sql, "%"+form.Q+"%")
   }
}

if form.Name != "" {
   _, err := strconv.Atoi(form.Name)
   if err == nil {
      c.AbortWithStatusJSON(http.StatusBadRequest, "Name 不能为纯数字")
      return
   }
}