fix picSmUrl to arr

liuxiaolong

2019-07-27 d7d68c611af6f328ea991f4d3cefd218866c638e

 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")
   }
}