diff --git a/src/api/routes/algorithm_router.py b/src/api/routes/algorithm_router.py
index 651270b..b9eb220 100644
--- a/src/api/routes/algorithm_router.py
+++ b/src/api/routes/algorithm_router.py
@@ -16,6 +16,7 @@ from src.database.connection import db_manager
 from src.models.face_feature import SurFaceFeature, FeatureStatus
 from src.repositories.face_feature_repository import FaceFeatureRepository
 from src.face_recognition_algorithm import FaceRecognitionAlgorithm
+from src.base_face_biz import BaseFaceBiz
 
 # 创建路由器
 router = APIRouter(prefix="/algorithm", tags=["algorithm"])
@@ -95,7 +96,9 @@ def process_feature_calculation(feature_id: int) -> bool:
                 
                 # 提取人脸特征
                 try:
-                    feature_vector = face_algorithm.create_business().extract_face_feature(str(image_path))
+                    # 直接创建BaseFaceBiz实例
+                    face_biz = BaseFaceBiz(face_algorithm.get_app())
+                    feature_vector = face_biz.extract_face_feature(str(image_path))
                     
                     if feature_vector is not None:
                         # 转换为二进制数据
diff --git a/src/face_recognition_algorithm.py b/src/face_recognition_algorithm.py
index e335dd8..23927c4 100644
--- a/src/face_recognition_algorithm.py
+++ b/src/face_recognition_algorithm.py
@@ -75,15 +75,6 @@ class FaceRecognitionAlgorithm:
         self.det_size = size
         print(f"✅ 检测尺寸设置为: {size}")
 
-    def create_business(self) -> BaseFaceBiz:
-        """
-        创建业务实例
-        
-        返回:
-            BaseFaceBiz实例，用于处理具体的业务逻辑
-        """
-        return BaseFaceBiz(self.app)
-
     def get_app(self) -> FaceAnalysis:
         """获取底层的FaceAnalysis实例"""
         return self.app
\ No newline at end of file