refactor(main): 优化物品使用逻辑

- 修复了物品使用时的变量引用问题
- 引入了 const 关键字来定义不变的变量
- 优化了代码格式，提高了可读性

main.min_jocw9Tu2.js

@@ -20290,11 +20290,13 @@ var app;
             break;
           case this.sure:
             if (0 != this.itemID && this.curItem) {
+              const curItem = this.curItem;
+              const itemId = this.itemID;
               const batchUse = (num) => {
                 const batchMax = 99;
                 return (() => {
                   setTimeout(() => {
-                    t.ThgMu.ins().send_8_11(this.itemID, Math.min(num, batchMax), this.curItem.series);
+                    t.ThgMu.ins().send_8_11(itemId, Math.min(num, batchMax), curItem.series);
                     num -= batchMax;
                     if (num > batchMax) {
                       batchUse(num);