diff --git a/docs/images/dingding.jpg b/docs/images/dingding.jpg
index 2eabf19c3..da1594c48 100644
Binary files a/docs/images/dingding.jpg and b/docs/images/dingding.jpg differ
diff --git a/docs/images/wechat.png b/docs/images/wechat.png
index 9890c4a4c..9813c348c 100644
Binary files a/docs/images/wechat.png and b/docs/images/wechat.png differ