diff --git a/index.json b/index.json
index 08a6d66f4047e01027e8ce5145eb6e1c03830a25..8a9084a7e74ba4f55be2aaa26f4ba0dfe4711e33 100644
--- a/index.json
+++ b/index.json
@@ -8,7 +8,7 @@
             "ref": "master",
             "detail": "detail.json",
             "chapters": "chapters.json",
-            "index_image": "https://i-blog.csdnimg.cn/direct/ed4aefd48d6c4f74a15f8bf4bd947a7c.png#pic_center",
+            "index_image": "https://i-blog.csdnimg.cn/direct/676ff01020bd420f83b16531735d6fd0.png#pic_center",
 	        "size": "1061*1500px",
             "index_video": "",
             "original_price": "48.0",