diff --git a/CHANGELOG.md b/CHANGELOG.md
index eeb9de1..3bd0268 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # 更新日志
+## 2023-08-08
+- `vivo_cn` 新增 vivo Y77t。
 ## 2023-08-04
 - `mitv_cn` 新增 小米电视 S Pro 100。
 - `oneplus` 新增 一加 Nord CE 3。
diff --git a/brands/vivo_cn.md b/brands/vivo_cn.md
index 86dc7e0..c9b3ae5 100644
--- a/brands/vivo_cn.md
+++ b/brands/vivo_cn.md
@@ -516,9 +516,9 @@
 
 `V2166BA`: vivo Y77e 5G / vivo Y77e (t1 版) 5G
 
-**vivo Y78 / vivo Y78m (`PD2278`):**
+**vivo Y77t / vivo Y78 / vivo Y78m (`PD2278`):**
 
-`V2278A`: vivo Y78 5G / vivo Y78m 5G
+`V2278A`: vivo Y77t 5G / vivo Y78 5G / vivo Y78m 5G
 
 **vivo Y78+ (`PD2271`):**
 
diff --git a/scripts/models.csv b/scripts/models.csv
index 04cf6ed..5eefdcc 100644
--- a/scripts/models.csv
+++ b/scripts/models.csv
@@ -5133,8 +5133,9 @@ V2156FA,mob,vivo,vivo,,PD2156U,Y76s (t1 版),#5G
 V2219A,mob,vivo,vivo,,PD2219,Y77,#5G
 V2166BA,mob,vivo,vivo,,PD2224,Y77e|Y77e (t1 版),#5G
 V2166BA,mob,vivo,vivo,,PD2224,Y77e|Y77e (t1 版),1#5G
-V2278A,mob,vivo,vivo,,PD2278,Y78|Y78m,#5G
-V2278A,mob,vivo,vivo,,PD2278,Y78|Y78m,1#5G
+V2278A,mob,vivo,vivo,,PD2278,Y77t|Y78|Y78m,#5G
+V2278A,mob,vivo,vivo,,PD2278,Y77t|Y78|Y78m,1#5G
+V2278A,mob,vivo,vivo,,PD2278,Y77t|Y78|Y78m,2#5G
 V2271A,mob,vivo,vivo,,PD2271,Y78,#5G
 V1732A,mob,vivo,vivo,,PD1732,Y81,#全网通版
 V1732T,mob,vivo,vivo,,PD1732,Y81,#移动全网通版