diff --git a/MXAdapt/src/main/java/com/mx/adapt/scroller/MXScrollPickerView.kt b/MXAdapt/src/main/java/com/mx/adapt/scroller/MXScrollPickerView.kt
index 37623e9629c4ee6585aca045c44f3bbd656c6a04..97949bd60136e9abee2ec10f07a81aead4a75bae 100644
--- a/MXAdapt/src/main/java/com/mx/adapt/scroller/MXScrollPickerView.kt
+++ b/MXAdapt/src/main/java/com/mx/adapt/scroller/MXScrollPickerView.kt
@@ -7,6 +7,7 @@ import android.graphics.Paint
 import android.graphics.RectF
 import android.util.AttributeSet
 import android.view.ViewTreeObserver
+import android.view.animation.DecelerateInterpolator
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.LinearSnapHelper
 import androidx.recyclerview.widget.RecyclerView
@@ -32,7 +33,7 @@ class MXScrollPickerView @JvmOverloads constructor(
         layoutManager = manager
         adapter = pickerAdapt
         pickerAdapt.setItemClick { position, _ ->
-            smoothScrollTo(position - itemOffset)
+            smoothScrollTo(position - itemOffset, true)
         }
         addOnScrollListener(object : OnScrollListener() {
             override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
@@ -94,9 +95,9 @@ class MXScrollPickerView @JvmOverloads constructor(
         pickerAdapt.adapt = adapt
     }
 
-    fun setSelectIndex(index: Int) {
+    fun setSelectIndex(index: Int, animation: Boolean = false) {
         val position = max(0, index)
-        smoothScrollTo(position)
+        smoothScrollTo(position, animation)
     }
 
     fun setOnSelectListener(listener: IMXSelect?) {
@@ -137,8 +138,17 @@ class MXScrollPickerView @JvmOverloads constructor(
         currentSelectIndex = targetIndex
         itemSelect?.onSelect(targetIndex)
     }
-    private fun smoothScrollTo(position: Int) {
+
+    private fun smoothScrollTo(position: Int, animation: Boolean) {
         notifySelectChange(position)
-        manager.scrollToPositionWithOffset(position, 0)
+        if (animation && itemHeight > 0) {
+            val current = manager.findFirstCompletelyVisibleItemPosition()
+            smoothScrollBy(
+                0, itemHeight * (position - current),
+                DecelerateInterpolator(), 300
+            )
+        } else {
+            manager.scrollToPositionWithOffset(position, 0)
+        }
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index 9111ac0981208619475633a831dcdd3d06a4fd85..c063ef09bdb711700e314045a604c19170368be3 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![](https://jitpack.io/v/com.gitee.zhangmengxiong/MXRecycleAdapt.svg)](https://jitpack.io/#com.gitee.zhangmengxiong/MXRecycleAdapt)
 
 ```gradle
-    implementation 'com.gitee.zhangmengxiong:MXRecycleAdapt:1.2.3'
+    implementation 'com.gitee.zhangmengxiong:MXRecycleAdapt:1.2.4'
 ```
 #### 介绍
 adapt快速开发基类
diff --git a/app/src/main/java/com/mx/recycle_adapt/activity/ScrollerViewActivity.kt b/app/src/main/java/com/mx/recycle_adapt/activity/ScrollerViewActivity.kt
index 401e5105f9bea9d54504e815da6f157ec27104ba..c50391a677bdbe686d939af241453c1ee2c8c980 100644
--- a/app/src/main/java/com/mx/recycle_adapt/activity/ScrollerViewActivity.kt
+++ b/app/src/main/java/com/mx/recycle_adapt/activity/ScrollerViewActivity.kt
@@ -11,6 +11,7 @@ import com.mx.adapt.scroller.IMXSelect
 import com.mx.recycle_adapt.R
 import com.mx.recycle_adapt.databinding.AdaptSimpleIndexBinding
 import kotlinx.android.synthetic.main.activity_scroller_view.*
+import kotlin.random.Random
 
 class ScrollerViewActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -37,6 +38,9 @@ class ScrollerViewActivity : AppCompatActivity() {
             adapt.list.add(currentIndex, currentIndex)
             adapt.notifyDataSetChanged()
         }
+        scrollTxv.setOnClickListener {
+            scrollerView.setSelectIndex(Random.nextInt(adapt.list.size), true)
+        }
     }
 
 
diff --git a/app/src/main/res/layout/activity_scroller_view.xml b/app/src/main/res/layout/activity_scroller_view.xml
index 28ba32b8997368ae8338cb64aec3ee924d8176fc..353ba60aa48215c9eeb959b508837a99f9506c1f 100644
--- a/app/src/main/res/layout/activity_scroller_view.xml
+++ b/app/src/main/res/layout/activity_scroller_view.xml
@@ -4,24 +4,41 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <TextView
-        android:id="@+id/infoTxv"
-        android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:padding="20dp"
-        android:textColor="#000000"
-        android:textSize="14sp" />
+        android:gravity="center"
+        android:orientation="horizontal">
 
-    <TextView
-        android:id="@+id/addTxv"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:padding="20dp"
-        android:text="新增"
-        android:textColor="#000000"
-        android:textSize="14sp" />
+        <TextView
+            android:id="@+id/infoTxv"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:padding="20dp"
+            android:text="0"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/addTxv"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:padding="20dp"
+            android:text="新增"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+        <TextView
+            android:id="@+id/scrollTxv"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:padding="20dp"
+            android:text="随机滚动"
+            android:textColor="#000000"
+            android:textSize="14sp" />
+    </LinearLayout>
 
     <com.mx.adapt.scroller.MXScrollPickerView
         android:id="@+id/scrollerView"
diff --git a/build.gradle b/build.gradle
index 1f32d6b435d2ab696f656dbccdfe57ba175a1153..598a6f2ade504d52bfa102786a71055492f79bf4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,5 +35,5 @@ ext {
     minSdkVersion = 19
 
     versionCode = 1
-    versionName = "1.2.3"
+    versionName = "1.2.4"
 }
\ No newline at end of file