diff --git a/README.md b/README.md
index abe1a5445..b9fadf5a3 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # <img src="http://www.maxkey.top/static/images/logo_maxkey.png"  width="200px" />
+<img src="{{ "/images/logo_maxkey.png" | prepend: site.baseurl }}?{{ site.time | date: "%Y%m%d%H%M" }}"  alt=""/>
 
 <a href="README_en.md" target="_blank"><b>English</b></a>  |  <a href="README_zh.md" target="_blank"><b>中文</b></a>
 
diff --git a/README_en.md b/README_en.md
index 66a30419e..97c6d2986 100644
--- a/README_en.md
+++ b/README_en.md
@@ -1,4 +1,5 @@
 # <img src="http://www.maxkey.top/static/images/logo_maxkey.png"  width="200px" />
+<img src="{{ "/images/logo_maxkey.png" | prepend: site.baseurl }}?{{ site.time | date: "%Y%m%d%H%M" }}"  alt=""/>
 
 <a href="README_en.md" target="_blank"><b>English</b></a>  |  <a href="README_zh.md" target="_blank"><b>中文</b></a>
 
diff --git a/images/logo.jpg b/images/logo.jpg
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diff --git a/images/logo_maxkey.png b/images/logo_maxkey.png
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diff --git a/images/maxkey_index.png b/images/maxkey_index.png
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diff --git a/images/maxkey_login.png b/images/maxkey_login.png
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diff --git a/images/maxkey_mgt_apps.png b/images/maxkey_mgt_apps.png
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index 000000000..104a5603e
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diff --git a/images/maxkey_mgt_rpt.png b/images/maxkey_mgt_rpt.png
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diff --git a/images/maxkey_mgt_users.png b/images/maxkey_mgt_users.png
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index 000000000..16bbfc127
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