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## 0.8.11

**`(fix):`** 修正了 0.8.10 中的修复，检查空值而不是 .isPresent 检查，因为头部不是 `Optional`，它始终是 `String`

## 0.8.10

**`(fix):`** 修复了 0.8.8 的回归问题，现在只有当头部非空时才会将其添加到头部映射中。