diff --git a/src/pages/ChatMain/NoticeMessage/detail.vue b/src/pages/ChatMain/NoticeMessage/detail.vue
index bae8a14..4b14c1f 100644
--- a/src/pages/ChatMain/NoticeMessage/detail.vue
+++ b/src/pages/ChatMain/NoticeMessage/detail.vue
@@ -8,7 +8,7 @@
     <!-- ✅ 滚动区域 -->
     <scroll-view class="flex-full overflow-hidden" scroll-y >
       <view class="pb-24 border-box overflow-hidden">
-        <image v-if="coverImage" class="w-full block" :src="coverImage" mode="aspectFill" />
+        <image v-if="coverImage" class="w-full h-auto block" :src="coverImage" mode="widthFix" />
 
         <view class="pt-16 px-12 pb-24 border-box">
           <view class="color-171717 font-size-16 font-weight-600">{{ detailTitle }}</view>
diff --git a/src/static/scss/height.scss b/src/static/scss/height.scss
index 878a1e9..0c2d25a 100644
--- a/src/static/scss/height.scss
+++ b/src/static/scss/height.scss
@@ -6,6 +6,10 @@
   height: 100%;
 }
 
+.h-auto {
+  height: auto;
+}
+
 .h-1 {
   height: 1px;
 }
diff --git a/src/static/scss/width.scss b/src/static/scss/width.scss
index 1259961..b57f260 100644
--- a/src/static/scss/width.scss
+++ b/src/static/scss/width.scss
@@ -6,6 +6,10 @@
   width: 100vw;
 }
 
+.w-auto {
+  width: auto;
+}
+
 .w-vw-24 {
   width: calc(100vw - 24px);
 }