diff --git a/face-search-server/src/main/java/com/visual/face/search/server/bootstrap/conf/ModelConfig.java b/face-search-server/src/main/java/com/visual/face/search/server/bootstrap/conf/ModelConfig.java
index 71e0a73..32f63e9 100755
--- a/face-search-server/src/main/java/com/visual/face/search/server/bootstrap/conf/ModelConfig.java
+++ b/face-search-server/src/main/java/com/visual/face/search/server/bootstrap/conf/ModelConfig.java
@@ -155,7 +155,7 @@ public class ModelConfig {
             @Qualifier("visualFaceRecognition")FaceRecognition faceRecognition,
             @Qualifier("visualAttributeDetection") FaceAttribute faceAttribute
     ){
-            if(faceDetectionName.equalsIgnoreCase(backupFaceDetectionName)){
+            if(faceDetection.getClass().isAssignableFrom(backupFaceDetection.getClass())){
                 return new FaceFeatureExtractorImpl(
                     faceDetection, null, faceKeyPoint,
                     faceAlignment, faceRecognition, faceAttribute