diff --git a/index.html b/index.html
index fd8d1a5..b378b25 100644
--- a/index.html
+++ b/index.html
@@ -17,10 +17,8 @@
     .markdown-section code {
       font-weight: 400;
     }
-
-    /* dark mode 全局文章图片背景色 */
-    article img {
-      background-color: #42b983;
+    article>p>img {
+      background-color: #f4f4f4;
     }
   </style>
 </head>
diff --git a/package.json b/package.json
index 51bbb26..f75a7b1 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "scripts": {
+    "dev": "docsify serve --open",
     "convert": "docsify-pdf-converter"
   },
   "name": "advanced-java",