diff --git a/web/frontend/src/views/files/Images.vue b/web/frontend/src/views/files/Images.vue
index eec0d6a..02982e1 100644
--- a/web/frontend/src/views/files/Images.vue
+++ b/web/frontend/src/views/files/Images.vue
@@ -92,14 +92,14 @@
       </el-table-column>
     </el-table>
 
-    <el-dialog v-model="showPreview" title="文件预览" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
+    <el-dialog v-model="showPreview" title="文件预览" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
       <div class="preview-body">
         <div v-if="previewType === 'image'" class="preview-image-wrap"><img :src="previewSrc" style="max-width:100%;max-height:100%;object-fit:contain" /></div>
         <div v-else-if="previewType === 'excel'" class="preview-table-wrap"><table class="preview-table"><tr v-for="(row, ri) in previewRows" :key="ri"><td v-for="(cell, ci) in row" :key="ci">{{ cell }}</td></tr></table></div>
       </div>
     </el-dialog>
 
-    <el-dialog v-model="showDetailDlg" title="处理详情" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="showDetailDlg = false">
+    <el-dialog v-model="showDetailDlg" title="处理详情" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="showDetailDlg = false">
       <div class="preview-body">
         <div class="detail-logs">
           <div v-if="detailLogs.length === 0" style="text-align:center;color:var(--text-muted);padding:40px">暂无该文件的处理日志</div>
diff --git a/web/frontend/src/views/files/Orders.vue b/web/frontend/src/views/files/Orders.vue
index e787d36..32aa39e 100644
--- a/web/frontend/src/views/files/Orders.vue
+++ b/web/frontend/src/views/files/Orders.vue
@@ -80,7 +80,7 @@
     </el-table>
 
     <!-- Preview dialog -->
-    <el-dialog v-model="showPreview" title="文件预览" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
+    <el-dialog v-model="showPreview" title="文件预览" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
       <div class="preview-body">
         <div v-if="previewType === 'image'" class="preview-image-wrap">
           <img :src="previewSrc" style="max-width:100%;max-height:100%;object-fit:contain" />
@@ -97,7 +97,7 @@
     </el-dialog>
 
     <!-- Detail dialog -->
-    <el-dialog v-model="showDetailDlg" title="处理详情" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog">
+    <el-dialog v-model="showDetailDlg" title="处理详情" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog">
       <div class="preview-body">
         <div class="detail-logs">
           <div v-if="detailLogs.length === 0" style="text-align:center;color:var(--text-muted);padding:40px">暂无该文件的处理日志</div>
diff --git a/web/frontend/src/views/files/Tables.vue b/web/frontend/src/views/files/Tables.vue
index 87b99e5..2c38a20 100644
--- a/web/frontend/src/views/files/Tables.vue
+++ b/web/frontend/src/views/files/Tables.vue
@@ -88,14 +88,14 @@
       </el-table-column>
     </el-table>
 
-    <el-dialog v-model="showPreview" title="文件预览" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
+    <el-dialog v-model="showPreview" title="文件预览" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog" @close="cleanupPreview">
       <div class="preview-body">
         <div v-if="previewType === 'image'" class="preview-image-wrap"><img :src="previewSrc" style="max-width:100%;max-height:100%;object-fit:contain" /></div>
         <div v-else-if="previewType === 'excel'" class="preview-table-wrap"><table class="preview-table"><tr v-for="(row, ri) in previewRows" :key="ri"><td v-for="(cell, ci) in row" :key="ci">{{ cell }}</td></tr></table></div>
       </div>
     </el-dialog>
 
-    <el-dialog v-model="showDetailDlg" title="处理详情" :fullscreen="true" append-to-body :close-on-click-modal="false" class="preview-dialog">
+    <el-dialog v-model="showDetailDlg" title="处理详情" width="75%" append-to-body :close-on-click-modal="false" class="preview-dialog">
       <div class="preview-body">
         <div class="detail-logs">
           <div v-if="detailLogs.length === 0" style="text-align:center;color:var(--text-muted);padding:40px">暂无该文件的处理日志</div>