diff --git a/streams/cn.m3u b/streams/cn.m3u
index 9a0ceed60c..e42ca4451c 100644
--- a/streams/cn.m3u
+++ b/streams/cn.m3u
@@ -34,13 +34,13 @@ http://74.91.26.218:82/live/cctv12hd.m3u8
 https://cdn3.163189.xyz/163189/cctv13
 #EXTINF:-1 tvg-id="CCTV13.cn@SD",CCTV-13 (720p)
 http://74.91.26.218:82/live/cctv13hd.m3u8
-#EXTINF:-1 tvg-id="CCTV14.cn@SD",CCTV-14 (1080p)
+#EXTINF:-1 tvg-id="CCTV14.cn@HD",CCTV-14 (1080p)
 http://74.91.26.218:82/live/cctv14hd.m3u8
 #EXTINF:-1 tvg-id="CCTV15.cn@SD",CCTV-15 (720p)
 http://74.91.26.218:82/live/cctv15hd.m3u8
-#EXTINF:-1 tvg-id="CCTV16.cn@SD",CCTV-16 (1080p)
+#EXTINF:-1 tvg-id="CCTV16.cn@HD",CCTV-16 (1080p)
 http://74.91.26.218:82/live/cctv16hd.m3u8
-#EXTINF:-1 tvg-id="CCTV17.cn@SD",CCTV-17 (1080p)
+#EXTINF:-1 tvg-id="CCTV17.cn@HD",CCTV-17 (1080p)
 http://74.91.26.218:82/live/cctv17hd.m3u8
 #EXTINF:-1 tvg-id="CCTV1.cn@SD",CCTV-1 (720p)
 http://74.91.26.218:82/live/cctv1hd.m3u8
@@ -50,7 +50,7 @@ http://74.91.26.218:82/live/cctv2hd.m3u8
 http://74.91.26.218:82/live/cctv3hd.m3u8
 #EXTINF:-1 tvg-id="CCTV4.cn@SD",CCTV-4 (720p)
 http://74.91.26.218:82/live/cctv4hd.m3u8
-#EXTINF:-1 tvg-id="CCTV4K.cn@SD",CCTV-4K (1080p)
+#EXTINF:-1 tvg-id="CCTV4K.cn@HD",CCTV-4K (1080p)
 http://198.204.240.250:82/live/cctv4k.m3u8
 #EXTINF:-1 tvg-id="CCTV5.cn@SD",CCTV-5 (720p)
 http://74.91.26.218:82/live/cctv5hd.m3u8
@@ -58,7 +58,7 @@ http://74.91.26.218:82/live/cctv5hd.m3u8
 http://74.91.26.218:82/live/cctv7hd.m3u8
 #EXTINF:-1 tvg-id="CCTV8.cn@SD",CCTV-8 (720p)
 http://74.91.26.218:82/live/cctv8hd.m3u8
-#EXTINF:-1 tvg-id="CCTV8K.cn@SD",CCTV-8K (1080p)
+#EXTINF:-1 tvg-id="CCTV8K.cn@HD",CCTV-8K (1080p)
 http://198.204.240.250:82/live/cctv8k.m3u8
 #EXTINF:-1 tvg-id="CCTV9.cn@SD",CCTV-9 (576i)
 https://xykt-fix.github.io/Y77.m3u8