update _source list and struct

sunty

2020-01-19 b10a806cbdf05c2e000f33ef82a501b07b3bb1b6

 controllers/camera.go

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