diff --git a/public/placeholder.png b/public/placeholder.png
new file mode 100644
index 00000000..58ace60b
Binary files /dev/null and b/public/placeholder.png differ
diff --git a/src/views/post/components/PostSetting.vue b/src/views/post/components/PostSetting.vue
index 074115bb..3edb440a 100644
--- a/src/views/post/components/PostSetting.vue
+++ b/src/views/post/components/PostSetting.vue
@@ -153,7 +153,7 @@
             <div class="post-thumb">
               <img
                 class="img"
-                :src="selectedPost.thumbnail || '//i.loli.net/2019/05/05/5ccf007c0a01d.png'"
+                :src="selectedPost.thumbnail || '/placeholder.png'"
                 @click="()=>this.thumbDrawerVisible=true"
               >
               <a-button
diff --git a/src/views/sheet/components/SheetSetting.vue b/src/views/sheet/components/SheetSetting.vue
index 7d14c0bb..1a4debfa 100644
--- a/src/views/sheet/components/SheetSetting.vue
+++ b/src/views/sheet/components/SheetSetting.vue
@@ -73,7 +73,7 @@
             <div class="sheet-thumb">
               <img
                 class="img"
-                :src="selectedSheet.thumbnail || '//i.loli.net/2019/05/05/5ccf007c0a01d.png'"
+                :src="selectedSheet.thumbnail || '/placeholder.png'"
                 @click="()=>this.thumbDrawerVisible = true"
               >
               <a-button
diff --git a/src/views/sheet/internal/PhotoList.vue b/src/views/sheet/internal/PhotoList.vue
index c6babe92..498a1f37 100644
--- a/src/views/sheet/internal/PhotoList.vue
+++ b/src/views/sheet/internal/PhotoList.vue
@@ -129,7 +129,7 @@
           >
             <div class="photo-detail-img">
               <img
-                :src="photo.url || '//i.loli.net/2019/05/05/5ccf007c0a01d.png'"
+                :src="photo.url || '/placeholder.png'"
                 @click="showThumbDrawer"
               >
             </div>