diff --git a/apps/jingrow/frontend/src/views/tools/RemoveBackground.vue b/apps/jingrow/frontend/src/views/tools/RemoveBackground.vue
index b761e8b..61515c1 100644
--- a/apps/jingrow/frontend/src/views/tools/RemoveBackground.vue
+++ b/apps/jingrow/frontend/src/views/tools/RemoveBackground.vue
@@ -545,11 +545,12 @@ const removeHistoryItem = (index: number) => {
 
 <style scoped lang="scss">
 .remove-background-page {
-  width: 100%;
-  height: 100vh;
+  position: relative;
+  width: calc(100% + 40px); /* 抵消父容器左右 padding */
+  height: calc(100vh - 64px - 40px); /* 100vh - header高度(64px) - content-wrapper上下padding(40px) */
+  margin: -20px; /* 抵消父容器 content-wrapper 的 padding */
   display: flex;
   flex-direction: column;
-  position: relative;
   overflow: hidden;
   background: #f8fafc;
 }