💄 调整应收账单导出按钮文案

bms-front/src/views/ar/bill/components/BillDetail.vue

@@ -59,7 +59,7 @@
           @size-change="handleDetailSizeChange"
         />
 
-        <div class="section-title export-title"><span>导出历史</span><el-button size="small" type="primary" plain icon="Download" :loading="exporting" :disabled="exporting" @click="$emit('export')">{{ exporting ? '生成中' : '生成新文件' }}</el-button></div>
+        <div class="section-title export-title"><span>导出历史</span><el-button size="small" type="primary" plain icon="Download" :loading="exporting" :disabled="exporting" @click="$emit('export')">{{ exporting ? '生成中' : '导出账单' }}</el-button></div>
         <el-table :data="detail.exports || []" border size="small">
           <el-table-column prop="fileName" label="文件名" min-width="250" show-overflow-tooltip />
           <el-table-column prop="templateVersion" label="模板版本" width="100" />