diff --git a/pinview/src/main/java/com/chaos/view/PinView.java b/pinview/src/main/java/com/chaos/view/PinView.java
index e520437..547adc1 100644
--- a/pinview/src/main/java/com/chaos/view/PinView.java
+++ b/pinview/src/main/java/com/chaos/view/PinView.java
@@ -182,6 +182,9 @@ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         } else {
             float boxesWidth = (mPinBoxCount - 1) * mPinBoxMargin + mPinBoxCount * boxHeight;
             width = Math.round(boxesWidth + getPaddingRight() + getPaddingLeft());
+            if (mPinBoxMargin == 0) {
+                width -= 2 * (mPinBoxCount - 1) * mBorderWidth;
+            }
         }
 
         if (heightMode == MeasureSpec.EXACTLY) {
@@ -366,8 +369,13 @@ private void updateRoundRectPath(RectF rectF, float rx, float ry,
 
     private void updateBoxRectF(int i) {
         float startX = (getWidth() - (mPinBoxCount - 1) * mPinBoxMargin - mPinBoxCount * mPinBoxHeight) / 2;
-
+        if (mPinBoxMargin == 0) {
+            startX += (mPinBoxCount - 1) * mBorderWidth;
+        }
         float left = startX + mPinBoxHeight * i + mPinBoxMargin * i + mBorderWidth;
+        if (mPinBoxMargin == 0 && i > 0) {
+            left = left - 2 * mBorderWidth * i;
+        }
         float right = left + mPinBoxHeight - 2 * mBorderWidth;
         float top = mBorderWidth + getPaddingTop();
         float bottom = top + mPinBoxHeight - 2 * mBorderWidth;
diff --git a/simple/src/main/res/layout/activity_main.xml b/simple/src/main/res/layout/activity_main.xml
index 8070837..17e5c70 100644
--- a/simple/src/main/res/layout/activity_main.xml
+++ b/simple/src/main/res/layout/activity_main.xml
@@ -39,7 +39,7 @@
         app:borderWidth="2dp"
         app:boxCount="5"
         app:boxHeight="48dp"
-        app:boxMargin="4dp"
+        app:boxMargin="0dp"
         app:boxRadius="4dp" />
 
     <com.chaos.view.PinView