diff --git a/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java b/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
index ff45ec1..0de25ae 100644
--- a/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
+++ b/bubbleseekbar/src/main/java/com/xw/repo/BubbleSeekBar.java
@@ -97,6 +97,7 @@ public class BubbleSeekBar extends View {
     private float mBubbleCenterRawX; // 气泡的实时RawX
     private WindowManager.LayoutParams mLayoutParams;
     private int[] mPoint = new int[2];
+    private long mAnimDuration = 200;
 
     public BubbleSeekBar(Context context) {
         this(context, null);
@@ -144,6 +145,8 @@ public BubbleSeekBar(Context context, AttributeSet attrs, int defStyleAttr) {
         isShowSectionMark = a.getBoolean(R.styleable.BubbleSeekBar_bsb_show_section_mark, false);
         isAutoAdjustSectionMark = a.getBoolean(R.styleable.BubbleSeekBar_bsb_auto_adjust_section_mark, false);
         isShowProgressInFloat = a.getBoolean(R.styleable.BubbleSeekBar_bsb_show_progress_in_float, false);
+        int duration = a.getInteger(R.styleable.BubbleSeekBar_bsb_anim_duration, -1);
+        mAnimDuration = duration < 0 ? 200 : duration;
         a.recycle();
 
         if (mMin > mMax) {
@@ -456,7 +459,7 @@ public boolean onTouchEvent(MotionEvent event) {
                 if (isAutoAdjustSectionMark) {
                     autoAdjustSection();
                 } else if (isThumbOnDragging) {
-                    mBubbleView.animate().alpha(0f).setDuration(200)
+                    mBubbleView.animate().alpha(0f).setDuration(mAnimDuration)
                             .setListener(new AnimatorListenerAdapter() {
                                 @Override
                                 public void onAnimationEnd(Animator animation) {
@@ -531,7 +534,7 @@ private void showBubble() {
 
         mBubbleView.setAlpha(0);
         mBubbleView.setVisibility(VISIBLE);
-        mBubbleView.animate().alpha(1f).setDuration(200)
+        mBubbleView.animate().alpha(1f).setDuration(mAnimDuration)
                 .setListener(new AnimatorListenerAdapter() {
                     @Override
                     public void onAnimationStart(Animator animation) {
@@ -594,9 +597,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
         ObjectAnimator alphaAnim = ObjectAnimator.ofFloat(mBubbleView, View.ALPHA, 0);
 
         if (onSection) {
-            animatorSet.setDuration(200).play(alphaAnim);
+            animatorSet.setDuration(mAnimDuration).play(alphaAnim);
         } else {
-            animatorSet.setDuration(200).playTogether(valueAnim, alphaAnim);
+            animatorSet.setDuration(mAnimDuration).playTogether(valueAnim, alphaAnim);
         }
         animatorSet.addListener(new AnimatorListenerAdapter() {
             @Override
diff --git a/bubbleseekbar/src/main/res/values/attr.xml b/bubbleseekbar/src/main/res/values/attr.xml
index de367c1..006d722 100644
--- a/bubbleseekbar/src/main/res/values/attr.xml
+++ b/bubbleseekbar/src/main/res/values/attr.xml
@@ -28,5 +28,6 @@
         <attr name="bsb_show_section_mark" format="boolean"/>
         <attr name="bsb_auto_adjust_section_mark" format="boolean"/>
         <attr name="bsb_show_progress_in_float" format="boolean"/>
+        <attr name="bsb_anim_duration" format="integer"/>
     </declare-styleable>
 </resources>
\ No newline at end of file