diff --git a/src/assets/style/theme/theme.scss b/src/assets/style/theme/theme.scss
index 3e9930d9..3f1af9ed 100644
--- a/src/assets/style/theme/theme.scss
+++ b/src/assets/style/theme/theme.scss
@@ -55,10 +55,7 @@
         padding: 14px 12px;
         border-radius: 4px;
         margin: 0px !important;
-        margin-right: 10px !important;
-        &:last-child {
-          margin-right: 0px !important;
-        }
+        margin-left: 10px !important;
       }
       .el-dropdown {
         user-select: none;
diff --git a/src/components/core/d2-layout-main/components/-header-right/components/-full-screen.vue b/src/components/core/d2-layout-main/components/-header-right/components/-full-screen.vue
index da2344e2..587073e1 100644
--- a/src/components/core/d2-layout-main/components/-header-right/components/-full-screen.vue
+++ b/src/components/core/d2-layout-main/components/-header-right/components/-full-screen.vue
@@ -1,6 +1,5 @@
 <template>
   <el-tooltip
-    class="item"
     effect="dark"
     :content="isFullScreen ? '退出全屏' : '全屏'"
     placement="bottom">
diff --git a/src/components/core/d2-layout-main/components/-header-right/components/-theme.vue b/src/components/core/d2-layout-main/components/-header-right/components/-theme.vue
index 3c54ae6e..0f67fc57 100644
--- a/src/components/core/d2-layout-main/components/-header-right/components/-theme.vue
+++ b/src/components/core/d2-layout-main/components/-header-right/components/-theme.vue
@@ -1,11 +1,7 @@
 <template>
-  <el-tooltip
-    class="item"
-    effect="dark"
-    content="theme"
-    placement="bottom">
+  <el-tooltip effect="dark" content="theme" placement="bottom">
     <el-button class="d2-ml-0 d2-mr btn-text" type="text">
-      <d2-icon name="gamepad"/>
+      <d2-icon name="diamond"/>
     </el-button>
   </el-tooltip>
 </template>