diff --git a/README.md b/README.md
index 617b7f44..3865afcf 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <p align="center">
 <a href="https://liteflow.yomahub.com/">
-    <img src="static/img/logo-main.png" alt="logo">
+    <img src="static/img/logo-main.svg" alt="logo">
 </a>
 </p>
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index c52cf7f1..66cdcb34 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -1,6 +1,6 @@
 <p align="center">
 <a href="https://liteflow.yomahub.com/">
-    <img src="static/img/logo-main.png" alt="logo">
+    <img src="static/img/logo-main.svg" alt="logo">
 </a>
 </p>
 
diff --git a/static/img/logo-main.svg b/static/img/logo-main.svg
index 30b97707..b76a7848 100644
--- a/static/img/logo-main.svg
+++ b/static/img/logo-main.svg
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