improve: 悬浮按钮点击优化

src/components/parts/applyButton.vue

@@ -101,7 +101,7 @@ export default {
         this.clicked += 1
         setTimeout(() => {
           // 三秒不点击，算失去活跃
-          this.clicked -= 1
+          this.clicked = Math.max(0, this.clicked - 1)
         }, 3000)
       }
     },