diff --git a/src/config/skill/jewelry.ts b/src/config/skill/jewelry.ts
index 735968d..58a0b1c 100644
--- a/src/config/skill/jewelry.ts
+++ b/src/config/skill/jewelry.ts
@@ -23,7 +23,7 @@ export class Prototype extends Control {
   cd: number = 10;
   last: number = 2;
   rate: number = 100;
-  bossRate: number = 10;
+  bossRate: number = 65;
   name: string = 'prototype';
   desc(): string {
     return replace(t('skill.prototype.1'), [this.last, this.cd, this.bossRate]);