feat: add system summary information api

zhangzengfei

2019-10-22 862415f6ba294ad678e3dd0e66695d7594f856ae

 controllers/fileController.go

@@ -419,7 +419,7 @@
            util.ResponseFormat(c, code.ComError, "抓拍数据不存在，请检查")
            return
         }
         logger.Debug("es person base64:",searchBase64Fea)

         if searchBase64Fea !=""{
            decodeF, err := base64.StdEncoding.DecodeString(searchBase64Fea)
            if err !=nil {