diff --git a/src/models/content/Puzzle.ts b/src/models/content/Puzzle.ts
index 25357f2..ba90cae 100644
--- a/src/models/content/Puzzle.ts
+++ b/src/models/content/Puzzle.ts
@@ -50,7 +50,7 @@ class PuzzleClass extends BaseModule {
   @prop()
   public sub_tag: string
   @prop()
-  public db: number
+  public dp: number
   @prop()
   public createtime: Date