diff --git a/src/main/java/database/Database2.java b/src/main/java/database/Database2.java
index d2d98c7..0e6dadf 100644
--- a/src/main/java/database/Database2.java
+++ b/src/main/java/database/Database2.java
@@ -138,6 +138,16 @@
     }
 
     @Override
+    public Seed[] GetSeedListByUser(String userid) {
+        return new Seed[0];
+    }
+
+    @Override
+    public int DeleteSeed(String seedid) {
+        return 0;
+    }
+
+    @Override
     public boolean AddCollect(String userid, String postid) {
         return false;
     }