fix string array unmarshal and config hikUrl

liuxiaolong

2020-07-27 1ca4109013bb07f7f55093357bf68fcfe435e0f2

 controllers/sys.go

@@ -36,17 +36,14 @@
         result.LatestVersion = sv.LatestVersion
         result.Time = sv.Time
         result.ForceUpgrade = sv.ForceUpgrade
         mb, e1 := json.Marshal(sv.Msg)
         if e1 == nil {
            var msgArr []string
            if e1 = json.Unmarshal(mb, &msgArr);e1 ==nil {
               result.Msg = msgArr
            } else {
               fmt.Println("unmarshal err:", e1)
            }
         var msgArr []string
         if e1 := json.Unmarshal([]byte(sv.Msg), &msgArr);e1 ==nil {
            result.Msg = msgArr
         } else {
            fmt.Println("marshal err:", e1)
            fmt.Println("unmarshal err:", e1)
            result.Msg = []string{}
         }

      } else {
         result.IsUpgrade = false
      }