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--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 使用 express 和 vue3 搭建的 ChartGPT 演示网页
 
-![cover](./docs/cover.png)
+![cover](./docs/cover-2.png)
 
 ## Route Map
 [x] 多会话
diff --git a/docs/cover.png b/docs/cover-2.png
similarity index 100%
rename from docs/cover.png
rename to docs/cover-2.png