diff --git a/tdesign-component/lib/src/components/dropdown_menu/td_dropdown_popup.dart b/tdesign-component/lib/src/components/dropdown_menu/td_dropdown_popup.dart
index af9851238..467c3bf30 100644
--- a/tdesign-component/lib/src/components/dropdown_menu/td_dropdown_popup.dart
+++ b/tdesign-component/lib/src/components/dropdown_menu/td_dropdown_popup.dart
@@ -94,8 +94,9 @@ class TDDropdownPopup {
         return _directionListenable.value == TDDropdownPopupDirection.auto
             ? ValueListenableBuilder(
                 valueListenable: _directionListenable,
-                builder: (context, value, child) =>
-                    value == TDDropdownPopupDirection.auto ? child! : _getPopup(value, updateChild, completer), // 每次重新渲染item，更新高度
+                builder: (context, value, child) => value == TDDropdownPopupDirection.auto
+                    ? child!
+                    : _getPopup(value, updateChild, completer), // 每次重新渲染item，更新高度
                 child: _getPopup(TDDropdownPopupDirection.down, updateChild, completer),
               )
             : _getPopup(_directionListenable.value, updateChild, completer);
@@ -108,11 +109,15 @@ class TDDropdownPopup {
 
   Widget _getPopup(TDDropdownMenuDirection value, TDDropdownItem? updateChild, Completer<void> completer) {
     _init(value);
+    final barrier = GestureDetector(
+      behavior: HitTestBehavior.opaque,
+      onTap: _overlayClick,
+    );
     return Stack(children: [
       if (_directionListenable.value != TDDropdownPopupDirection.auto) ...[
-        _getOverlay1(),
+        _getOverlay1(barrier),
         _getOverlay2(),
-        _getOverlay3(),
+        _getOverlay3(barrier),
       ],
       TDDropdownInherited(
           popupState: this,
@@ -126,7 +131,7 @@ class TDDropdownPopup {
             initContentTop: _initContentTop,
             reverseHeight: _overlay3Height,
             closeCallback: _closeCallback,
-            onOpened:() {
+            onOpened: () {
               completer.complete();
             },
             child: updateChild ?? child,
@@ -134,60 +139,49 @@ class TDDropdownPopup {
     ]);
   }
 
-  Widget _getOverlay1() {
-    return showOverlay == true
-        ? Positioned(
-            top: _overlay1Top,
-            bottom: _overlay1Bottom,
-            left: 0,
-            right: 0,
-            child: ValueListenableBuilder(
+  Widget _getOverlay1(Widget barrier) {
+    return Positioned(
+      top: _overlay1Top,
+      bottom: _overlay1Bottom,
+      left: 0,
+      right: 0,
+      child: showOverlay == true
+          ? ValueListenableBuilder(
               builder: (BuildContext context, value, Widget? child) {
                 return AnimatedContainer(
                   color: value ? Colors.black54 : Colors.black54.withAlpha(0),
                   duration: _duration,
-                  child: GestureDetector(
-                    behavior: HitTestBehavior.opaque,
-                    onTap: _overlayClick,
-                  ),
+                  child: barrier,
                 );
               },
               valueListenable: _colorAlphaListenable,
-            ),
-          )
-        : const SizedBox.shrink();
+            )
+          : barrier,
+    );
   }
 
   Widget _getOverlay2() {
-    return showOverlay == true
-        ? Positioned(
-            top: _overlay2Top,
-            bottom: _overlay2Bottom,
-            left: 0,
-            right: 0,
-            child: GestureDetector(
-              onVerticalDragUpdate: (details) {},
-              onHorizontalDragUpdate: (details) {},
-              behavior: HitTestBehavior.translucent,
-              child: const SizedBox(),
-            ),
-          )
-        : const SizedBox.shrink();
+    return Positioned(
+      top: _overlay2Top,
+      bottom: _overlay2Bottom,
+      left: 0,
+      right: 0,
+      child: GestureDetector(
+        onVerticalDragUpdate: (details) {},
+        onHorizontalDragUpdate: (details) {},
+        behavior: HitTestBehavior.translucent,
+      ),
+    );
   }
 
-  Widget _getOverlay3() {
-    return showOverlay == true
-        ? Positioned(
-            top: _overlay3Top,
-            bottom: _overlay3Bottom,
-            left: 0,
-            right: 0,
-            child: GestureDetector(
-              behavior: HitTestBehavior.opaque,
-              onTap: _overlayClick,
-            ),
-          )
-        : const SizedBox.shrink();
+  Widget _getOverlay3(Widget barrier) {
+    return Positioned(
+      top: _overlay3Top,
+      bottom: _overlay3Bottom,
+      left: 0,
+      right: 0,
+      child: barrier,
+    );
   }
 
   void _overlayClick() {
diff --git a/tdesign-component/lib/src/components/textarea/td_textarea.dart b/tdesign-component/lib/src/components/textarea/td_textarea.dart
index fd28b3db8..183c29568 100644
--- a/tdesign-component/lib/src/components/textarea/td_textarea.dart
+++ b/tdesign-component/lib/src/components/textarea/td_textarea.dart
@@ -55,6 +55,7 @@ class TDTextarea extends StatefulWidget {
     this.labelIcon,
     this.labelWidth,
     this.margin,
+    this.padding,
     this.textareaDecoration,
     this.bordered,
   }) : super(key: key);
@@ -167,12 +168,15 @@ class TDTextarea extends StatefulWidget {
   /// 标题输入框布局方式。可选项：vertical/horizontal
   final TDTextareaLayout? layout;
 
-  /// 是否自动增高，值为 autosize 时，maxLines 不生效
+  /// 是否自动增高，值为 true 时，[maxLines]不生效
   final bool? autosize;
 
   /// 外边距
   final EdgeInsetsGeometry? margin;
 
+  /// 内边距
+  final EdgeInsetsGeometry? padding;
+
   /// 是否显示外边框
   final bool? bordered;
 
@@ -384,7 +388,7 @@ class _TDTextareaState extends State<TDTextarea> {
       width: widget.width,
       color: widget.decoration != null ? null : (widget.backgroundColor ?? Colors.white),
       decoration: widget.decoration,
-      padding: EdgeInsets.all(padding),
+      padding: widget.padding ?? EdgeInsets.all(padding),
       margin: widget.margin,
       child: isHorizontal
           ? Row(