更新 DataBlock 构造函数

dfs-store/src/main/java/cn/reghao/dfs/store/model/po/DataBlock.java

@@ -24,8 +24,8 @@ public class DataBlock extends BaseObject<Integer> {
     private long start;
     private long end;
 
-    public DataBlock(String objectId, int index, String blockId, String absolutePath) {
-        this.objectId = objectId;
+    public DataBlock(String contentId, int index, String blockId, String absolutePath) {
+        this.contentId = contentId;
         this.index = index;
         this.blockId = blockId;
         this.absolutePath = absolutePath;