fix CopyFile

liuxiaolong

2020-05-30 62b88a37f685f6fe124774bb5c7e1960a9ade835

 controllers/fileController.go

@@ -492,6 +492,9 @@
               return
            }
            faceB = decodeF
         } else {
            util.ResponseFormat(c, code.ComError, "本条人脸抓拍特征为空，请检查")
            return
         }
      }