diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/entity/evaluationindex/screen/ScreenDifficultyImgDataEntity.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/entity/evaluationindex/screen/ScreenDifficultyImgDataEntity.java
index ea60d69e09..c063015f17 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/entity/evaluationindex/screen/ScreenDifficultyImgDataEntity.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/entity/evaluationindex/screen/ScreenDifficultyImgDataEntity.java
@@ -7,6 +7,7 @@ import com.epmet.commons.mybatis.entity.BaseEpmetEntity;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 
 
 /**
@@ -19,6 +20,7 @@ import lombok.EqualsAndHashCode;
 @EqualsAndHashCode(callSuper=false)
 @TableName("screen_difficulty_img_data")
 @AllArgsConstructor
+@NoArgsConstructor
 public class ScreenDifficultyImgDataEntity extends BaseEpmetEntity {
 
     private static final long serialVersionUID = 1L;