add logger library

liuxiaolong

2019-09-04 9f6e6fad998d74952fe2f4ea06243e60c5d8cb88

 controllers/cameraPolygon.go

@@ -116,7 +116,7 @@
   if flag {
      util.ResponseFormat(c,code.Success,data)
   } else {
      util.ResponseFormat(c,code.ComError,data)
      util.ResponseFormat(c,code.ComError,"更新失败")
   }
}