diff --git a/book.json b/book.json
index e31a1dd..5070ffd 100644
--- a/book.json
+++ b/book.json
@@ -1,39 +1,23 @@
 {
-    "title": "Docker -- 从入门到实践",
-    "author": "yeasy",
-    "plugins": [
-        "-autocover",
-        "image-captions",
-        "github-buttons",
-        "latex-codecogs",
-        "prism", 
-        "-highlight"
-    ],
-    "pluginsConfig": {
-        "autocover": {
-            "font": {
-                "size": null,
-                "family": "Impact",
-                "color": "#000"
-            },
-            "size": {
-                "w": 1800,
-                "h": 2360
-            },
-            "background": {
-                "color": "#FFF"
-            }
-        },
-        "image-captions": {
-            "attributes": { "width": "600" },
-            "caption": "图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER_ - _CAPTION_"
-        },
-        "github-buttons": {
-            "repo": "yeasy/docker_practice",
-            "types": [
-                "star",
-                "watch"
-            ]
-        }
+  "title": "Docker -- 从入门到实践",
+  "author": "yeasy",
+  "plugins": [
+    "image-captions",
+    "github-buttons"
+  ],
+  "pluginsConfig": {
+    "image-captions": {
+      "attributes": {
+        "width": "600"
+      },
+      "caption": "图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER_ - _CAPTION_"
+    },
+    "github-buttons": {
+      "repo": "yeasy/docker_practice",
+      "types": [
+        "star",
+        "watch"
+      ]
     }
+  }
 }