diff --git a/src/main/java/net/micode/notes/data/Notes.java b/src/main/java/net/micode/notes/data/Notes.java
index 8762500..91e44f6 100644
--- a/src/main/java/net/micode/notes/data/Notes.java
+++ b/src/main/java/net/micode/notes/data/Notes.java
@@ -104,8 +104,14 @@ public class Notes {
         public static final String GTASK_ID = "gtask_id";
 
         public static final String VERSION = "version";
-    }
 
+        public static final String PASSWORD = "password";
+
+        public static final String IMPORTANCE = "importance";
+    }
+    /*
+     * 便签数据在数据库中的表头
+     */
     public interface DataColumns {
 
         public static final String ID = "_id";