diff --git a/app/src/main/java/com/sw/platecabinet/viewmodel/NetViewModelV2.kt b/app/src/main/java/com/sw/platecabinet/viewmodel/NetViewModelV2.kt
index 2714020..a23d938 100644
--- a/app/src/main/java/com/sw/platecabinet/viewmodel/NetViewModelV2.kt
+++ b/app/src/main/java/com/sw/platecabinet/viewmodel/NetViewModelV2.kt
@@ -226,7 +226,11 @@ class NetViewModelV2 : ViewModel() {
             list.forEach { model ->
                 if (model.faceDeleted == true) {
                     //删除数据
-                    faceApi.deleteByUserName(model.userId)
+                    // 仅删除 userFaceId 对应的单条人脸记录，避免误删该用户名下所有特征
+                    val userFaceId = model.userFaceId
+                    if (!userFaceId.isNullOrEmpty()) {
+                        faceApi.deleteByUserFaceId(userFaceId)
+                    }
                 } else {
                     // 获取该用户所有已存特征，判断当前特征是否已存在
                     val existList = faceApi.queryAllByUserName(model.userId)
diff --git a/lib_face/src/main/java/com/sw/plate/utils/arcface/FaceApi.java b/lib_face/src/main/java/com/sw/plate/utils/arcface/FaceApi.java
index 353cdc1..b8fd28a 100644
--- a/lib_face/src/main/java/com/sw/plate/utils/arcface/FaceApi.java
+++ b/lib_face/src/main/java/com/sw/plate/utils/arcface/FaceApi.java
@@ -91,6 +91,13 @@ public class FaceApi {
         getFaceDao().deleteFaceById(userName);
     }
 
+    /**
+     * 按 userFaceId 删除单条人脸记录
+     */
+    public void deleteByUserFaceId(String userFaceId) {
+        getFaceDao().deleteFaceByUserFaceId(userFaceId);
+    }
+
     public Long insert(FaceEntity entity) {
         if (entity == null) {
             return 0L;
diff --git a/lib_face/src/main/java/com/sw/plate/utils/arcface/facedb/dao/FaceDao.java b/lib_face/src/main/java/com/sw/plate/utils/arcface/facedb/dao/FaceDao.java
index 2926276..c02ee40 100644
--- a/lib_face/src/main/java/com/sw/plate/utils/arcface/facedb/dao/FaceDao.java
+++ b/lib_face/src/main/java/com/sw/plate/utils/arcface/facedb/dao/FaceDao.java
@@ -55,6 +55,12 @@ public interface FaceDao {
     @Query("DELETE from face  WHERE user_name = :userName")
     int deleteFaceById(String userName);
 
+    /**
+     * 按 userFaceId 删除单条人脸记录
+     */
+    @Query("DELETE from face WHERE user_face_id = :userFaceId")
+    int deleteFaceByUserFaceId(String userFaceId);
+
     /**
      * 删除所有已注册的人脸
      *