diff --git a/app/src/main/java/com/example/smarthome/ui/MainScaffold.kt b/app/src/main/java/com/example/smarthome/ui/MainScaffold.kt
index 49c4748..c451f51 100644
--- a/app/src/main/java/com/example/smarthome/ui/MainScaffold.kt
+++ b/app/src/main/java/com/example/smarthome/ui/MainScaffold.kt
@@ -40,6 +40,7 @@ import android.view.SoundEffectConstants
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.gestures.detectHorizontalDragGestures
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.foundation.layout.offset
 import androidx.compose.ui.draw.rotate
@@ -1342,23 +1343,47 @@ fun LightList(modifier: Modifier = Modifier) {
 @Composable
 fun DotsProgress(percent: Float, onPercentChange: (Float) -> Unit = {}, enabled: Boolean = true) {
     val total = 12
+    
     Row(
         horizontalArrangement = Arrangement.spacedBy(4.dp),
         verticalAlignment = Alignment.CenterVertically,
-        modifier = Modifier.pointerInput(enabled) {
-            if (enabled) {
-                detectTapGestures { offset ->
-                    // 计算点击的是第几个点
-                    val dotWidth = 6.dp.toPx()
+        modifier = Modifier
+            .pointerInput(enabled) {
+                if (enabled) {
+                    val dotWidth = 8.dp.toPx()
                     val spacing = 4.dp.toPx()
                     val totalWidth = (dotWidth + spacing) * total - spacing
-                    val clickedIndex = ((offset.x / totalWidth) * total).toInt().coerceIn(0, total - 1)
-                    // 更新百分比
-                    val newPercent = (clickedIndex + 1).toFloat() / total
-                    onPercentChange(newPercent)
+                    
+                    // 支持拖动手势
+                    detectHorizontalDragGestures(
+                        onDragStart = { offset ->
+                            // 开始拖动时立即更新
+                            val newPercent = (offset.x / totalWidth).coerceIn(0f, 1f)
+                            onPercentChange(newPercent)
+                        },
+                        onDragEnd = { },
+                        onDragCancel = { },
+                        onHorizontalDrag = { change, _ ->
+                            change.consume()
+                            val newPercent = (change.position.x / totalWidth).coerceIn(0f, 1f)
+                            onPercentChange(newPercent)
+                        }
+                    )
+                }
+            }
+            .pointerInput(enabled) {
+                if (enabled) {
+                    val dotWidth = 8.dp.toPx()
+                    val spacing = 4.dp.toPx()
+                    val totalWidth = (dotWidth + spacing) * total - spacing
+                    
+                    // 也支持点击
+                    detectTapGestures { offset ->
+                        val newPercent = (offset.x / totalWidth).coerceIn(0f, 1f)
+                        onPercentChange(newPercent)
+                    }
                 }
             }
-        }
     ) {
         repeat(total) { i ->
             val filled = i < (percent * total).toInt()
@@ -1367,11 +1392,6 @@ fun DotsProgress(percent: Float, onPercentChange: (Float) -> Unit = {}, enabled:
                     .size(8.dp)
                     .clip(RoundedCornerShape(4.dp))
                     .background(if (filled) Color(0xFFA9F0FF) else Color(0xFF3A3A3A))
-                    .clickable(enabled = enabled) {
-                        // 点击某个点直接设置到该亮度
-                        val newPercent = (i + 1).toFloat() / total
-                        onPercentChange(newPercent)
-                    }
             )
         }
     }