update capture lib

liuxiaolong

2019-12-26 87051e0ff26fbb47b4aa828b22dcfd6a628a47d0

 controllers/camera.go

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