diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2815d28..9288f97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # 更新日志
+### 2025-10-31
+- `motorola_cn` 新增 moto g100s。
 ### 2025-10-27
 - `zhixuan` 新增 WIKO X70。
 ### 2025-10-24
diff --git a/brands/motorola_cn.md b/brands/motorola_cn.md
index 564cce9..12e8e6b 100644
--- a/brands/motorola_cn.md
+++ b/brands/motorola_cn.md
@@ -230,6 +230,10 @@
 
 `XT2533-4`: moto g100
 
+**moto g100s:**
+
+`XT2537-4`: moto g100s
+
 **moto X70 Air (`roadstr`):**
 
 `XT2601-1`: moto X70 Air
\ No newline at end of file