diff --git a/CHANGELOG.md b/CHANGELOG.md
index 818a7decbed63f010040a9d87528412c391b73bf..f7e24c77aff2602b0c5edab77c71364f604ebb34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 1.0.2
+ohos 1.0.2版本
+* 正式版本
+* 圆环尾部覆盖功能优化
+
 ## 1.0.1
 ohos 1.0.1版本
 * 正式版本
diff --git a/README.md b/README.md
index 841b28db724a748ea016a1e311161471dee8c526..0328a3be06613a100f9f852c09aa217d045a3e1e 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ allprojects {
 2.在entry模块的build.gradle文件中，
 ```
 dependencies {
-   implementation('com.gitee.chinasoft_ohos:MagicProgressWidget:1.0.1')
+   implementation('com.gitee.chinasoft_ohos:MagicProgressWidget:1.0.2')
    ......  
 }
 ```
@@ -124,7 +124,7 @@ CloudTest代码测试无异常
 
 
 ## 版本迭代 
-1.0.1
+1.0.2
 
 ## 版权和许可信息
 ```
diff --git a/entry/src/main/config.json b/entry/src/main/config.json
index c8b55cf1b205413ce18d74661ccfe9712650199c..53e10c0a8247255e1f17c765e821daed432fab08 100644
--- a/entry/src/main/config.json
+++ b/entry/src/main/config.json
@@ -47,7 +47,7 @@
             ]
           }
         ],
-        "orientation": "unspecified",
+        "orientation": "portrait",
         "name": "com.liulishuo.magicprogress.demo.ability.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
diff --git a/library/src/main/java/com/liulishuo/magicprogresswidget/ConstantUtil.java b/library/src/main/java/com/liulishuo/magicprogresswidget/ConstantUtil.java
index 595385a4234a101ea41825d940bc35ad2c02cc78..fd0400e6b9a93ca9cf1633f5d6ec507b3e468894 100644
--- a/library/src/main/java/com/liulishuo/magicprogresswidget/ConstantUtil.java
+++ b/library/src/main/java/com/liulishuo/magicprogresswidget/ConstantUtil.java
@@ -76,4 +76,15 @@ public abstract class ConstantUtil {
      * END_B
      */
     public static final int END_B = 0xFF;
+
+    /**
+     * 随机最大值
+     */
+    public static final float CIR_MAX = 100f;
+
+    /**
+     * CIRCLE_97
+     */
+    public static final int CIRCLE_97 = 97;
+
 }
diff --git a/library/src/main/java/com/liulishuo/magicprogresswidget/MagicProgressCircle.java b/library/src/main/java/com/liulishuo/magicprogresswidget/MagicProgressCircle.java
index 5f96271ae19db3ff8ff0cff3abcc791beb66e07a..5d511023c962f1e25baab83b301d6a7f6145211f 100644
--- a/library/src/main/java/com/liulishuo/magicprogresswidget/MagicProgressCircle.java
+++ b/library/src/main/java/com/liulishuo/magicprogresswidget/MagicProgressCircle.java
@@ -183,12 +183,20 @@ public class MagicProgressCircle extends Component implements Imag, Component.Dr
 
     @Override
     public void setPercent(float percent) {
+        // 这里动画效果在值位于98-99时处于覆盖情况，做特殊处理
+        if (percent > ConstantUtil.CIRCLE_97 / ConstantUtil.CIR_MAX && percent < 1) {
+            percent = ConstantUtil.CIRCLE_97 / ConstantUtil.CIR_MAX;
+        }
         float pc = pcInt(percent);
         anim(0, pc, (long) (pc * maxTime));
     }
 
     @Override
     public void setPercent(float percent, long durationMillis) {
+        // 这里动画效果在值位于98-99时处于覆盖情况，做特殊处理
+        if (percent > ConstantUtil.CIRCLE_97 / ConstantUtil.CIR_MAX && percent < 1) {
+            percent = ConstantUtil.CIRCLE_97 / ConstantUtil.CIR_MAX;
+        }
         float pc = pcInt(percent);
         anim(0, pc, durationMillis);
     }
@@ -386,7 +394,6 @@ public class MagicProgressCircle extends Component implements Imag, Component.Dr
             setDrawPc(canvas, drawPc, cx, cy);
         }
         canvas.restoreToCount(restore);
-        postLayout();
     }
 
     /**
@@ -394,8 +401,8 @@ public class MagicProgressCircle extends Component implements Imag, Component.Dr
      *
      * @param canvas 设置cvs
      * @param drawPc 填入值
-     * @param cx 旋转x值
-     * @param cy 旋转y值
+     * @param cx     旋转x值
+     * @param cy     旋转y值
      */
     private void setDrawPc(Canvas canvas, float drawPc, int cx, int cy) {
         if (drawPc < 1 || (isFootOverHead && drawPc == 1)) {