添加了status字段修正work接口

Change-Id: I883caf510201a2f365134d48acf641bb6310f0b0
diff --git a/src/main/java/edu/bjtu/groupone/backend/domain/entity/Work.java b/src/main/java/edu/bjtu/groupone/backend/domain/entity/Work.java
index 1512c2f..1549ce1 100644
--- a/src/main/java/edu/bjtu/groupone/backend/domain/entity/Work.java
+++ b/src/main/java/edu/bjtu/groupone/backend/domain/entity/Work.java
@@ -37,4 +37,7 @@
 
     @Column(length = 255)
     private String cover;
+
+    @Column(nullable = false, length = 20)
+    private String status;
 }
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