Fix more bugs

src/data_provider/words.rs

@@ -20,7 +20,7 @@ impl TableAccessQuerySet<WordData> for WordQuerySet {
     }
 
     fn add() -> &'static str {
-        "INSERT INTO words (key, value, tags, more, group_id) VALUES (?1, ?2, ?3, ?4, ?5)"
+        "INSERT INTO words (key, value, tags, more, group_id) VALUES (?1, ?2, ?3, ?4, ?5) RETURNING id"
     }
 
     fn name() -> &'static str {