diff --git a/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/coscoEvaluate/response/LevelResponse.java b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/coscoEvaluate/response/LevelResponse.java
index 2be45ee..df2e61a 100644
--- a/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/coscoEvaluate/response/LevelResponse.java
+++ b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/coscoEvaluate/response/LevelResponse.java
@@ -6,6 +6,11 @@ import com.chinaunicom.zyhy.ebtp.supplier.coscoEvaluate.entity.CoscoEvaluateLeve
 
 public class LevelResponse {
 
+    // 私有构造函数，防止实例化
+    private LevelResponse() {
+        throw new UnsupportedOperationException("This is a utility class and cannot be instantiated");
+    }
+
     public  static BaseResponse<String> getStringByTaskLevel(CoscoEvaluateLevel coscoEvaluateLevel) {
         if (coscoEvaluateLevel.getLevelName() == null) {
             return BaseResponse.fail(ErrorMessageConstant.LEVEL_NAME_CANNOT_BE_EMPTY);