add linkInfo to query body

sunty

2019-08-15 ad44d02695a27bd2c65fcdb45d57f6aec123ca98

 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")
   }
}