fix swagger

liuxiaolong

2019-12-06 4d2377fbd1a4ddaf8966f1a6e913a8536deb6964

 controllers/camera.go

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