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 #### Flutter Unit 周边
 - 🔥  [实体书 - 《Flutter之旅》源码下载地址 ](https://gitee.com/toly1994328/FlutterUnit/attach_files/466731/download)
-- 🔥  [掘金小册 -《Flutter绘制指南》 3.28元 ](https://juejin.im/book/6844733827265331214)
+- 🔥  [掘金小册 -《Flutter绘制指南》](https://juejin.im/book/6844733827265331214)
 - 🔥  [Flutter环境配置](https://github.com/toly1994328/FlutterUnit/issues/22)
 - 🔥  [Flutter实用插件集录 ](https://github.com/toly1994328/FlutterUnit/issues/41)
 - 🔥  [Flutter要点集录 ](https://github.com/toly1994328/FlutterUnit/labels/point)