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## 出现bug的代码:
<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="page" :page-sizes="[1,2]" :page-size="size" layout="total, sizes, prev, pager, next, jumper" :total="total" > </el-pagination>
## 解决: :page-sizes="[1,2,5,8,10]" //里面的元素多放些,(5,10必须包含)