修复：修改书籍购买跳转和章节锁定问题

pages/book/reader.vue

@@ -111,7 +111,7 @@
             <text class="chapter-text" :class="{ locked: isLocked(index) }">
               {{ chapter.chapter }}{{ chapter.content ? ' - ' + chapter.content : '' }}
             </text>
-            <wd-icon v-if="isLocked(index)" name="lock" size="20px" />
+            <wd-icon v-if="isLocked(index)" name="lock-on" size="20px" />
           </view>
         </scroll-view>
       </view>
@@ -201,7 +201,7 @@ const bookStore = useBookStore()
 
 // 路由参数
 const bookId = ref(0)
-const isBuy = ref('0')
+const isBuy = ref(false)
 const count = ref(0)
 
 // 数据状态
@@ -273,7 +273,7 @@ const currentChapterTitle = computed(() => {
 
 onLoad((options: any) => {
   if (options.bookId) bookId.value = Number(options.bookId)
-  if (options.isBuy) isBuy.value = options.isBuy
+  if (options.isBuy) isBuy.value = options.isBuy == 1 ? true : false
   if (options.count) count.value = Number(options.count)
   
   // 获取刘海高度
@@ -430,7 +430,7 @@ async function switchChapter(chapter: IChapter, index: number) {
 
 // 判断章节是否锁定
 function isLocked(index: number): boolean {
-  return isBuy.value === '1' && index + 1 > count.value
+  return !isBuy.value && index + 1 > count.value
 }
 
 // 判断是否是图片