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															@@ -300,7 +300,7 @@ export default { 
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															         this.isData = 'id' in res; 
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															         this.isData = 'id' in res; 
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															         this.getBackTime(); 
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															         this.getBackTime(); 
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															         this.checkMyGoodsCollectionStatus(); 
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															         this.checkMyGoodsCollectionStatus(); 
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															-        this.getMyGoodsBuyInfo(this.CourseData.book_list.map(book_id => book_id)); 
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															+        this.getMyGoodsBuyInfo(this.CourseData.book_list.map(({ book_id }) => book_id)); 
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															         this.loading = false; 
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															         this.loading = false; 
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															       }) 
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															       }) 
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															       .catch(() => { 
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															       .catch(() => { 
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															@@ -418,7 +418,7 @@ export default { 
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															     getMyGoodsBuyInfo(goods_id_list) { 
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															     getMyGoodsBuyInfo(goods_id_list) { 
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															       GetMyGoodsBuyInfo({ goods_type: 101, goods_id_list }).then(({ goods_id_list_buy }) => { 
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															       GetMyGoodsBuyInfo({ goods_type: 101, goods_id_list }).then(({ goods_id_list_buy }) => { 
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															         this.CourseData.book_list.forEach(book => { 
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															         this.CourseData.book_list.forEach(book => { 
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															-          book.is_buy = goods_id_list_buy.includes(book.book_id); 
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															+          this.$set(book, 'is_buy', goods_id_list_buy.includes(book.book_id)); 
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															         }); 
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															         }); 
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															       }); 
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															       }); 
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															     }, 
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															     }, 
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