diff --git a/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/bean/Work.java b/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/bean/Work.java
index 5a61846..6370965 100644
--- a/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/bean/Work.java
+++ b/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/bean/Work.java
@@ -38,6 +38,7 @@ import java.util.List;
 @MainKey(groups = {InsertGroup.class, UpdateGroup.class})
 public class Work extends BaseAPS {
     private static final long serialVersionUID = 6471740978550523187L;
+
     @Column(name="CODE")
     @ApiParam(value ="编码")
     @FieldAnnotation(popSearch = true, mainkey = true, modify = false)
diff --git a/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/model/TimeBlock.java b/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/model/TimeBlock.java
index 81474ff..951b401 100644
--- a/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/model/TimeBlock.java
+++ b/modules/i3plus-pojo-aps/src/main/java/cn/estsh/i3plus/pojo/aps/model/TimeBlock.java
@@ -20,6 +20,7 @@ public class TimeBlock implements Comparable<TimeBlock> {
     private String shift;
     @JsonBackReference
     private TimeBlock nextBlock;
+    @JsonBackReference
     private TimeBlock prevBlock;
 
     @Override