diff --git a/public/_static/og.jpg b/public/_static/og.jpg
index 879c3db2..cc39f4b3 100644
Binary files a/public/_static/og.jpg and b/public/_static/og.jpg differ
diff --git a/public/_static/og_zh.jpg b/public/_static/og_zh.jpg
index f74a739d..d94e98fa 100644
Binary files a/public/_static/og_zh.jpg and b/public/_static/og_zh.jpg differ