add clearData

sunty

2020-02-11 1afa5b031e2f13a2b93adc99d292cdeb2ba2a6dd

 controllers/camera.go

@@ -351,6 +351,7 @@
               "cameraId": cid,
               "snapshotUrl": file.SnapshotUrl,
            })
            return
         } else {
            util.ResponseFormat(c, code.ComError, "更新失败")
            return