diff --git a/src/components/dialogPreview.vue b/src/components/dialogPreview.vue
index c1643d5..5dcd95d 100644
--- a/src/components/dialogPreview.vue
+++ b/src/components/dialogPreview.vue
@@ -8,11 +8,11 @@
             <div slot="title">
                 <TitleBar title="预览"></TitleBar>
             </div>
-            <div  style="min-height:600px;text-align: center; " class="c-flex-center">
+            <div  style="height: 800px; text-align: center; " class="c-flex-center">
                    <!-- svg -->
                    <svgViewer :src="previewUrl" v-if="isSvg"></svgViewer>
                    <!-- 其他图片 -->
-                   <el-image  :src="previewUrl" fit="scale-down" v-else></el-image>
+                   <el-image  :src="previewUrl" fit="scale-down" v-else style="height: 100%;width: 100%;"></el-image>
             </div>
         
             <span slot="footer" class="dialog-footer">