use mangos req instead of deliver,add recv timeout

liuxiaolong

2019-07-29 cc962c1b6ffabd9d41e6db0571efbcc1a4568ce7

 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")
   }
}