diff --git a/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/AttrValue.java b/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/AttrValue.java
index f6c32f860f6bb9c3842122d89218b9b064d1ffdd..11cc59baa79a5cbdb740e1aaab3fb26dcc2f7ee6 100644
--- a/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/AttrValue.java
+++ b/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/AttrValue.java
@@ -33,10 +33,10 @@ public class AttrValue {
     /**
      * 获取动态属性
      *
-     * @param attrSet
-     * @param key
-     * @param defValue
-     * @param <T>
+     * @param attrSet attrSet
+     * @param key key
+     * @param defValue defValue
+     * @param <T> defValue
      * @return 返回泛型T
      */
     @SuppressWarnings("unchecked cast")
@@ -68,9 +68,9 @@ public class AttrValue {
     /**
      * 获取尺寸
      *
-     * @param attrSet
-     * @param key
-     * @param defDimensionValue
+     * @param attrSet attrSet
+     * @param key key
+     * @param defDimensionValue defDimensionValue
      * @return 返回尺寸
      */
     public static int getDimension(AttrSet attrSet, String key, int defDimensionValue) {
diff --git a/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/Logcat.java b/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/Logcat.java
index 6870a2396b428bb7e5a4a5f66404cf2c2808e90d..3dcb1dcebf092fd701dfcdbdc6c5c7b333e73acf 100644
--- a/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/Logcat.java
+++ b/buttonprogressbar/src/main/java/github/ishaan/buttonprogressbar/utils/Logcat.java
@@ -38,8 +38,8 @@ public class Logcat {
     /**
      * 调试
      *
-     * @param mess
-     * @param args
+     * @param mess mess
+     * @param args args
      */
     public static void d(String mess, Object... args) {
         if (LOGD) {
@@ -50,9 +50,9 @@ public class Logcat {
     /**
      * 调试
      *
-     * @param tag
-     * @param mess
-     * @param args
+     * @param tag tag
+     * @param mess mess
+     * @param args args
      */
     public static void d(String tag, String mess, Object... args) {
         if (LOGD) {
@@ -63,8 +63,8 @@ public class Logcat {
     /**
      * 信息
      *
-     * @param mess
-     * @param args
+     * @param mess mess
+     * @param args args
      */
     public static void i(String mess, Object... args) {
         if (LOGI) {
@@ -75,9 +75,9 @@ public class Logcat {
     /**
      * 信息
      *
-     * @param tag
-     * @param mess
-     * @param args
+     * @param tag tag
+     * @param mess mess
+     * @param args args
      */
     public static void i(String tag, String mess, Object... args) {
         if (LOGI) {
@@ -88,8 +88,8 @@ public class Logcat {
     /**
      * 警告
      *
-     * @param mess
-     * @param args
+     * @param mess mess
+     * @param args args
      */
     public static void w(String mess, Object... args) {
         if (LOGW) {
@@ -100,9 +100,9 @@ public class Logcat {
     /**
      * 警告
      *
-     * @param tag
-     * @param mess
-     * @param args
+     * @param tag tag
+     * @param mess mess
+     * @param args args
      */
     public static void w(String tag, String mess, Object... args) {
         if (LOGW) {
@@ -113,8 +113,8 @@ public class Logcat {
     /**
      * 错误
      *
-     * @param mess
-     * @param args
+     * @param mess mess
+     * @param args args
      */
     public static void e(String mess, Object... args) {
         if (LOGE) {
@@ -125,9 +125,9 @@ public class Logcat {
     /**
      * 错误
      *
-     * @param tag
-     * @param mess
-     * @param args
+     * @param tag tag
+     * @param mess mess
+     * @param args args
      */
     public static void e(String tag, String mess, Object... args) {
         if (LOGE) {
@@ -138,8 +138,8 @@ public class Logcat {
     /**
      * 致命log
      *
-     * @param mess
-     * @param args
+     * @param mess mess
+     * @param args args
      */
     public static void f(String mess, Object... args) {
         if (LOGF) {
@@ -150,9 +150,9 @@ public class Logcat {
     /**
      * 致命log
      *
-     * @param tag
-     * @param mess
-     * @param args
+     * @param tag tag
+     * @param mess mess
+     * @param args args
      */
     public static void f(String tag, String mess, Object... args) {
         if (LOGF) {
@@ -163,7 +163,7 @@ public class Logcat {
     /**
      * 获取相关数据:类名,方法名,行号等.用来定位行
      *
-     * @return
+     * @return functionName
      */
     private static String getFunctionName() {
         StackTraceElement[] sts = Thread.currentThread().getStackTrace();
@@ -188,8 +188,8 @@ public class Logcat {
     /**
      * 输出格式定义
      *
-     * @param msg
-     * @return
+     * @param msg msg
+     * @return msgFormat
      */
     private static String getMsgFormat(String msg) {
         return msg + " ;" + getFunctionName();
diff --git a/buttonprogressbar/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java b/buttonprogressbar/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
index 2ceb4d0e414bb44c4d2c8f33d7e558dcfec6eda3..c78fa38663365808d550b360016fa31146a073d8 100644
--- a/buttonprogressbar/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
+++ b/buttonprogressbar/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
@@ -3,6 +3,9 @@ package github.ishaan.buttonprogressbar;
 import org.junit.Test;
 
 public class ExampleTest {
+    /**
+     * 纯UI组件，无法执行单元测试
+     */
     @Test
     public void onStart() {
     }
diff --git a/entry/src/main/java/github/ishaan/buttonprogressbar/MainAbility.java b/entry/src/main/java/github/ishaan/buttonprogressbar/MainAbility.java
index a4add49267ad1d98c83b86906992cc2cd2fc9a38..a47f93e8c87b403d1541cee12f70ef80721cf82c 100644
--- a/entry/src/main/java/github/ishaan/buttonprogressbar/MainAbility.java
+++ b/entry/src/main/java/github/ishaan/buttonprogressbar/MainAbility.java
@@ -1,3 +1,17 @@
+/*
+ * Copyright (C) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package github.ishaan.buttonprogressbar;
 
 import github.ishaan.buttonprogressbar.slice.MainAbilitySlice;
diff --git a/entry/src/main/java/github/ishaan/buttonprogressbar/MyApplication.java b/entry/src/main/java/github/ishaan/buttonprogressbar/MyApplication.java
index b7e85bfec1695fa74c93b924db119e757bb04da3..895f788581112952e3a75794a561a379eea232cd 100644
--- a/entry/src/main/java/github/ishaan/buttonprogressbar/MyApplication.java
+++ b/entry/src/main/java/github/ishaan/buttonprogressbar/MyApplication.java
@@ -1,3 +1,17 @@
+/*
+ * Copyright (C) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package github.ishaan.buttonprogressbar;
 
 import ohos.aafwk.ability.AbilityPackage;
diff --git a/entry/src/main/java/github/ishaan/buttonprogressbar/slice/MainAbilitySlice.java b/entry/src/main/java/github/ishaan/buttonprogressbar/slice/MainAbilitySlice.java
index 5982778e4527160d808124b07d729519f5d41d9e..bf2851a32640bc8987df0083b863e8e320d894e5 100644
--- a/entry/src/main/java/github/ishaan/buttonprogressbar/slice/MainAbilitySlice.java
+++ b/entry/src/main/java/github/ishaan/buttonprogressbar/slice/MainAbilitySlice.java
@@ -1,3 +1,17 @@
+/*
+ * Copyright (C) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package github.ishaan.buttonprogressbar.slice;
 
 import com.jaredrummler.materialspinner.MaterialSpinner;
@@ -156,6 +170,11 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
         }
     }
 
+    /**
+     * 更新ui
+     *
+     * @param type type
+     */
     public void updateUI(int type) {
         switch (type) {
             case EVENT_MESSAGE_DELAY_1:
diff --git a/entry/src/ohosTest/java/github/ishaan/buttonprogressbar/ExampleOhosTest.java b/entry/src/ohosTest/java/github/ishaan/buttonprogressbar/ExampleOhosTest.java
index b96ce576836c555108a4f18b24d407c8713cf89a..9ca78e406143af8663b83c1086f96d8af67b23ce 100644
--- a/entry/src/ohosTest/java/github/ishaan/buttonprogressbar/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/github/ishaan/buttonprogressbar/ExampleOhosTest.java
@@ -6,6 +6,9 @@ import org.junit.Test;
 import static org.junit.Assert.assertEquals;
 
 public class ExampleOhosTest {
+    /**
+     * 纯UI组件，无法执行单元测试
+     */
     @Test
     public void testBundleName() {
         final String actualBundleName = AbilityDelegatorRegistry.getArguments().getTestBundleName();
diff --git a/entry/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java b/entry/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
index 2ceb4d0e414bb44c4d2c8f33d7e558dcfec6eda3..c78fa38663365808d550b360016fa31146a073d8 100644
--- a/entry/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
+++ b/entry/src/test/java/github/ishaan/buttonprogressbar/ExampleTest.java
@@ -3,6 +3,9 @@ package github.ishaan.buttonprogressbar;
 import org.junit.Test;
 
 public class ExampleTest {
+    /**
+     * 纯UI组件，无法执行单元测试
+     */
     @Test
     public void onStart() {
     }
diff --git a/img/ButtonProgressBar2.gif b/img/ButtonProgressBar2.gif
index 16dc6930761e1da77dd8ee8a736290dcbfea1fc1..8cababcb8047a6f1825f88bcc2e37b1a32051179 100644
Binary files a/img/ButtonProgressBar2.gif and b/img/ButtonProgressBar2.gif differ