diff --git "a/mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2401.jpg" b/mover/cmdscz/co-learn-2411/images/xc1.jpg
similarity index 100%
rename from "mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2401.jpg"
rename to mover/cmdscz/co-learn-2411/images/xc1.jpg
diff --git "a/mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2402.jpg" b/mover/cmdscz/co-learn-2411/images/xc2.jpg
similarity index 100%
rename from "mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2402.jpg"
rename to mover/cmdscz/co-learn-2411/images/xc2.jpg
diff --git "a/mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2403.jpg" b/mover/cmdscz/co-learn-2411/images/xc3.jpg
similarity index 100%
rename from "mover/cmdscz/co-learn-2411/images/\345\256\243\344\274\2403.jpg"
rename to mover/cmdscz/co-learn-2411/images/xc3.jpg
diff --git a/mover/cmdscz/co-learn-2411/readme.md b/mover/cmdscz/co-learn-2411/readme.md
index 5c767b24d..104a44e82 100644
--- a/mover/cmdscz/co-learn-2411/readme.md
+++ b/mover/cmdscz/co-learn-2411/readme.md
@@ -6,9 +6,9 @@
 
 ## 为共学营宣传（在朋友圈或者群聊中转发海报/文章）
 
-- [✓] 宣传截图:![宣传截图](./images/宣传1.jpg)
-- [✓] 宣传截图:![宣传截图](./images/宣传2.jpg)
-- [✓] 宣传截图:![宣传截图](./images/宣传3.jpg)
+- [✓] 宣传截图:![宣传截图](./images/xc1.jpg)
+- [✓] 宣传截图:![宣传截图](./images/xc2.jpg)
+- [✓] 宣传截图:![宣传截图](./images/xc3.jpg)
 
 ## 每周课程学习