diff --git a/README.md b/README.md
index b27d0c8bb9d00a51f4f7a6eb8a94ae860dfeac1b..99594142cce12263ae9232da6d4d049559e6e279 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 - 基线版本：ImageSelector releases version v1.9.2
 - 项目移植状态：主功能完成
 - 调用差异：无
-- 开发版本：sdk5，DevEco Studio2.1 beta3
+- 开发版本：sdk5，DevEco Studio2.1 beta4
 - 原项目Doc地址：https://github.com/donkingliang/ImageSelector
 
 #### 效果演示
@@ -115,6 +115,8 @@ CloudTest代码测试无异常
 
 当前版本demo功能与原组件基本无差异
 
+当前版本demo，部分功能暂不支持模拟器运行。
+
 #### 版本迭代
 
 - 0.0.1-SNAPSHOT
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
index 67eb31b2d47b444d6956ed1db7916880645843b6..c3ef2e4ae6be0ae183d85d470093b6f64b6bf4b2 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
@@ -90,6 +90,8 @@ public class CropImageView extends TransformImageView {
     }
 
     /**
+     * 获取最大比例
+     *
      * @return - maximum scale value for current image and crop ratio
      */
     public float getMaxScale() {
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
index 183bb137370fd16d5332a41858db68a53357ad9f..3a7d0c0478e0ae5c31e292d9819e9ff0a596af10 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
@@ -93,6 +93,7 @@ public class OverlayView extends Component implements Component.DrawTask, Compon
     }
 
     /**
+     * 设置剪切
      *
      * @param cropGridRowCount cropGridRowCount
      */
@@ -224,6 +225,7 @@ public class OverlayView extends Component implements Component.DrawTask, Compon
                 }
             }
     /**
+     * 更新剪切view
      *
      * @param touchX touchX
      * @param touchY touchY
@@ -389,6 +391,7 @@ public class OverlayView extends Component implements Component.DrawTask, Compon
     }
 
     /**
+     * processStyledAttributes
      *
      * @param a a
      */
@@ -407,6 +410,7 @@ public class OverlayView extends Component implements Component.DrawTask, Compon
     }
 
     /**
+     * initCropFrameStyle
      *
      * @param a a
      */
@@ -423,6 +427,7 @@ public class OverlayView extends Component implements Component.DrawTask, Compon
     }
 
     /**
+     * initCropGridStyle
      *
      * @param a a
      */
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
index dd1b1d88c1cbeee7b49e8edcc4323d022bdbd5f1..542c6c4bc786395f809565598e440c9ed9d656ed 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
@@ -152,6 +152,7 @@ public class TransformImageView extends PositionLayout implements Component.Layo
     }
 
     /**
+     * setImageUri
      *
      * @param imageUri imageUri
      * @param outputUri outputUri
@@ -184,6 +185,8 @@ public class TransformImageView extends PositionLayout implements Component.Layo
     }
 
     /**
+     * getCurrentScale
+     *
      * @return - current image scale value.
      * [1.0f - for original image, 2.0f - for 200% scaled image, etc.]
      */
@@ -203,6 +206,8 @@ public class TransformImageView extends PositionLayout implements Component.Layo
     }
 
     /**
+     * getCurrentAngle
+     *
      * @return - current image rotation angle.
      */
     public float getCurrentAngle() {