diff --git a/index.json b/index.json
index fcc2224b9a3f3b1b261c2ab0acd9aa3bf3c04349..1da433993f1bb2b0300d20d8ec9509e096a070ac 100644
--- a/index.json
+++ b/index.json
@@ -8,7 +8,7 @@
             "ref": "master",
             "detail": "detail.json",
             "chapters": "chapters.json",
-            "index_image": "https://img-blog.csdnimg.cn/eb18ac524e704f50af3750417360d299.png",
+            "index_image": "https://img-blog.csdnimg.cn/52a18a4e28904e319acdd0b56cf0ecce.png",
             "index_video": "",
             "original_price": "48.0",
             "line_price": "48.0",