add picDesc

sunty

2019-07-05 84ae2c7481f2c7f3628613f5f3c8d0b60b6bccc0

 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")
   }
}