diff --git a/packages/theme/src/dialog-box/index.less b/packages/theme/src/dialog-box/index.less
index 03a539cf07..b617ab5bfe 100644
--- a/packages/theme/src/dialog-box/index.less
+++ b/packages/theme/src/dialog-box/index.less
@@ -127,7 +127,6 @@
     margin-bottom: var(--ti-dialog-box-body-margin-bottom);
     color: var(--ti-dialog-box-body-text-color);
     font-size: var(--ti-dialog-box-body-font-size);
-    overflow: auto;
 
     .@{css-prefix}upload {
       overflow: hidden;
diff --git a/packages/theme/src/tree-menu/index.less b/packages/theme/src/tree-menu/index.less
index cc8ded79c8..8f81c1fff4 100644
--- a/packages/theme/src/tree-menu/index.less
+++ b/packages/theme/src/tree-menu/index.less
@@ -126,6 +126,11 @@
         }
       }
 
+      .@{tree-node-prefix-cls}__content-left {
+        position: relative;
+        padding-left: var(--tree-menu-node-vertical-line-margin-right);
+      }
+
       &.is-current {
         & > .@{tree-node-prefix-cls}__content {
           background-color: var(--ti-tree-menu-node-selected-bg-color);
@@ -135,19 +140,15 @@
             color: var(--ti-tree-menu-node-current-text-color);
           }
 
-          .@{tree-node-prefix-cls}__content-box {
-            position: relative;
-
-            &::before {
-              content: '';
-              position: absolute;
-              left: -4px;
-              top: 50%;
-              display: inline-block;
-              height: 18px;
-              transform: translateY(-50%);
-              border-left: 2px solid var(--ti-tree-menu-square-left-border-color);
-            }
+          .@{tree-node-prefix-cls}__content-left::before {
+            content: '';
+            position: absolute;
+            left: 4px;
+            top: 50%;
+            display: inline-block;
+            height: 18px;
+            transform: translateY(-50%);
+            border-left: 2px solid var(--ti-tree-menu-square-left-border-color);
           }
         }
       }
diff --git a/packages/theme/src/tree-menu/vars.less b/packages/theme/src/tree-menu/vars.less
index a04d5437b9..0f7b0773a9 100644
--- a/packages/theme/src/tree-menu/vars.less
+++ b/packages/theme/src/tree-menu/vars.less
@@ -37,4 +37,6 @@
   --ti-tree-menu-collapse-icon-margin-right: var(--ti-common-size-2x);
   // 节点序号字号
   --tree-menu-node-number-font-size: var(--ti-common-font-size-base);
+  // 活跃节点竖线与文本的间距
+  --tree-menu-node-vertical-line-margin-right: var(--ti-common-size-5x);
 }
diff --git a/packages/vue/src/tabbar/src/mobile.vue b/packages/vue/src/tabbar/src/mobile.vue
index 6998a870c1..be1e655d8f 100644
--- a/packages/vue/src/tabbar/src/mobile.vue
+++ b/packages/vue/src/tabbar/src/mobile.vue
@@ -51,7 +51,7 @@ export default defineComponent({
     zIndex: [Number, String]
   },
   setup(props, context) {
-    return setup({ props, context, renderless, api })
+    return setup({ props, context, renderless, api, mono: true })
   }
 })
 </script>