fix copy sdk libs

liuxiaolong

2020-05-30 bbb568f6e7c06d7bad9bcd98e751cc6e991f26d9

 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
         }
      }