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- modified book.json

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 {
-  "plugins":["-sharing","tbfed-pagefooter"],
-  "pluginsConfig":{
+  "plugins": [
+    "-sharing",
+    "tbfed-pagefooter"
+  ],
+  "pluginsConfig": {
     "tbfed-pagefooter": {
-  "copyright":"&copy Taobao FED Team",
+      "copyright": "&copy Taobao FED Team",
       "modify_label": "该文件修订时间：",
       "modify_format": "YYYY-MM-DD HH:mm:ss"
-}
     }
-  
+  }
 }