diff --git a/docs/.vitepress/config.ts b/docs/.vitepress/config.ts
index 9130d0f76d560056be6833ca50b06eaf1e7f373e..65d7db763faa1ebf4b9a9b077ce45fdf20428935 100644
--- a/docs/.vitepress/config.ts
+++ b/docs/.vitepress/config.ts
@@ -100,6 +100,14 @@ export default {
         const tag = tokens[idx].tag;
         return `${tag === 'h1' || tag === 'h2' ? '</MarkdownTitle>' : ''}${self.renderToken(tokens, idx, options)}`;
       };
+      // 图片
+      md.renderer.rules.image = (tokens, idx) => {
+        const content = tokens[idx];
+        const src = content.attrs[content.attrIndex('src')][1];
+        const alt = content.content || '';
+        const el = `<div class="img-expand"><div class="img-expand-btn"></div><div class="img-mask"></div><img src="${src}" alt="${alt}"></div>`;
+        return el;
+      };
     },
   },
 };
diff --git a/docs/.vitepress/src/assets/style/theme/dialog.scss b/docs/.vitepress/src/assets/style/theme/dialog.scss
index 581c57a9bd991639149ba0c28257a38da910fb6d..7c1d9102c310d455af04ac020dcdd8ae4305ea7c 100644
--- a/docs/.vitepress/src/assets/style/theme/dialog.scss
+++ b/docs/.vitepress/src/assets/style/theme/dialog.scss
@@ -2,6 +2,7 @@
 @use '../mixin/font.scss' as *;
 // 屏蔽loading 遮罩
 .o-layer {
+  z-index: 2001;
   .o-dlg-header {
     color: var(--o-color-info1);
   }
diff --git a/docs/.vitepress/src/components/header/AppHeader.vue b/docs/.vitepress/src/components/header/AppHeader.vue
index 1ce3c649f74089483ec3ecfb5c21d541b3b34365..4b67e19fe273590774a54cb7df7f9adb3598ca23 100644
--- a/docs/.vitepress/src/components/header/AppHeader.vue
+++ b/docs/.vitepress/src/components/header/AppHeader.vue
@@ -71,7 +71,7 @@ const mobileClick = () => {
   left: 0;
   right: 0;
   top: 0;
-  z-index: 998;
+  z-index: 1998;
   box-shadow: var(--o-shadow-1);
   backdrop-filter: blur(5px);