Xiang Jaywhen

在 `第九章` ：`S-表达式` 下的二级标题 `读取表达式` 的第一段最后一句： > 第一阶段负责把抽象语法树(abstract syntax tree)转换为一个 S-表达式，第二阶段则根据我们**已由**的 Lisp 规则对 S-表达式进行遍历求值。 应为： > 第一阶段负责把抽象语法树(abstract syntax tree)转换为一个 S-表达式，第二阶段则根据我们**已有**的 Lisp 规则对 S-表达式进行遍历求值。

### Describe the bug before ask ai question the history list will be like： when enter the question, will show loading, and the history list will reverse： perhaps it's a...

fix: markdown syntax

> **[Fixed a syntax error]:** Removed the quotes around the value of the key "enablePullDownRefresh" in app.json, which caused the > program compilation error

Intermittent: Features API Shows Incorrect App Size After Delete/Create Operations, Allowing Creation Beyond Limit

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### Self Checks - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing...