diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c4f426..8bca8b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # 更新日志
+## 2022-07-20
+- `oppo_cn` 增补 OPPO Watch Free。
 ## 2022-07-19
 - `vivo` 新增 iQOO 10 系列。
 ## 2022-07-15
diff --git a/brands/oppo_cn.md b/brands/oppo_cn.md
index 828bf9a..a30e4ac 100644
--- a/brands/oppo_cn.md
+++ b/brands/oppo_cn.md
@@ -459,3 +459,9 @@
 `OW20W2`: OPPO Watch 2 42mm eSIM 版
 
 `OW20W3`: OPPO Watch 2 46mm ECG
+
+**OPPO Watch Free:**
+
+`OWW206`: OPPO Watch Free 标准版
+
+`OWW208`: OPPO Watch Free NFC 版