diff --git a/include/leveldb/db.h b/include/leveldb/db.h
index 79512d4..82493de 100644
--- a/include/leveldb/db.h
+++ b/include/leveldb/db.h
@@ -156,6 +156,7 @@ class LEVELDB_EXPORT DB {
   // 字段信息结构体
   // Todo(begin)
   virtual Status Put_Fields(const leveldb::WriteOptions& opt, const leveldb::Slice& key, const FieldArray& fields) = 0;
+  virtual Status Get_Fields(const leveldb::ReadOptions& options, const leveldb::Slice& key, FieldArray* fields) = 0;
   //  // Todo(end)
 };