diff --git a/entry/build.gradle b/entry/build.gradle
index 17c72fd6504d638fc83ca6950e2cc610ec869758..0ce0515550dd575e56d5471e75f8133e16982d00 100644
--- a/entry/build.gradle
+++ b/entry/build.gradle
@@ -13,7 +13,6 @@ ohos {
             }
         }
     }
-    
 }
 
 dependencies {
@@ -21,7 +20,8 @@ dependencies {
     testImplementation 'junit:junit:4.13'
     ohosTestImplementation 'com.huawei.ohos.testkit:runner:1.0.0.100'
     implementation 'io.openharmony.tpc.thirdlib:XPopup:1.0.3'
-    implementation('com.gitee.chinasoft_ohos:vntNumber_PickerPre:0.0.2-SNAPSHOT')
+//    implementation('com.gitee.chinasoft_ohos:vntNumber_PickerPre:0.0.2-SNAPSHOT')
+    implementation project(path: ':library')
     implementation 'io.openharmony.tpc.thirdlib:RippleEffect:1.0.1'
 }
 decc {
diff --git a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MainAbility.java b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MainAbility.java
index 4f8434b34aa83e8d401d28695ae270062e90b287..c4d6d6be936edb808211f7de09faba862c6ef5a2 100644
--- a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MainAbility.java
+++ b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MainAbility.java
@@ -1,17 +1,40 @@
+/*
+ * 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 com.vanniktech.vntnumberpickerpreference.sample;
 
 import com.vanniktech.vntnumberpickerpreference.sample.slice.MainAbilitySlice;
 import ohos.aafwk.ability.Ability;
 import ohos.aafwk.content.Intent;
-import ohos.agp.components.Component;
 import ohos.agp.window.service.WindowManager;
 
+/**
+ * MainAbility
+ *
+ * @since 2021-06-15
+ */
 public class MainAbility extends Ability {
+    private static final int STATUSBARCOLOR = 0xff283593;
+
     @Override
     public void onStart(Intent intent) {
         super.onStart(intent);
         super.setMainRoute(MainAbilitySlice.class.getName());
-        // 状态栏颜色
-        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(0xff283593);
+        /*
+         * 状态栏颜色
+         */
+        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(STATUSBARCOLOR);
     }
 }
diff --git a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MyApplication.java b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MyApplication.java
index b8c937a19425be186811137307eca9ac1d6746cf..2d889714ae2223f7d4e88b76b92a52b2bbff7ed3 100644
--- a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MyApplication.java
+++ b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/MyApplication.java
@@ -1,9 +1,28 @@
+/*
+ * 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 com.vanniktech.vntnumberpickerpreference.sample;
 
 import ohos.aafwk.ability.AbilityPackage;
 
+/**
+ * MyApplication
+ *
+ * @since 2021-06-15
+ */
 public class MyApplication extends AbilityPackage {
-
     @Override
     public void onInitialize() {
         super.onInitialize();
diff --git a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/SettingsAbility.java b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/SettingsAbility.java
index 3c34f3300b527b1cf781f7823ed73f0a775f161c..bfd0336ba721a66fcb81ac4b74ae274d0f852cc9 100644
--- a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/SettingsAbility.java
+++ b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/SettingsAbility.java
@@ -1,3 +1,18 @@
+/*
+ * 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 com.vanniktech.vntnumberpickerpreference.sample;
 
 import com.vanniktech.vntnumberpickerpreference.sample.slice.SettingsAbilitySlice;
@@ -5,12 +20,21 @@ import ohos.aafwk.ability.Ability;
 import ohos.aafwk.content.Intent;
 import ohos.agp.window.service.WindowManager;
 
+/**
+ * SettingsAbility
+ *
+ * @since 2021-06-15
+ */
 public class SettingsAbility extends Ability {
+    private static final int STATUSBARCOLOR = 0xff283593;
+
     @Override
     public void onStart(Intent intent) {
         super.onStart(intent);
         super.setMainRoute(SettingsAbilitySlice.class.getName());
-        // 状态栏颜色
-        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(0xff283593);
+        /*
+         * 状态栏颜色
+         */
+        WindowManager.getInstance().getTopWindow().get().setStatusBarColor(STATUSBARCOLOR);
     }
 }
diff --git a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/MainAbilitySlice.java b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/MainAbilitySlice.java
index df1ea3989bf4ecef85a347f93158102b01001375..01f0451c50faf9476bd30fab572ed5f2959fc508 100644
--- a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/MainAbilitySlice.java
+++ b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/MainAbilitySlice.java
@@ -1,3 +1,18 @@
+/*
+ * 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 com.vanniktech.vntnumberpickerpreference.sample.slice;
 
 import com.vanniktech.vntnumberpickerpreference.Constants;
@@ -22,11 +37,21 @@ import ohos.agp.window.service.DisplayManager;
 import ohos.utils.IntentConstants;
 import ohos.utils.net.Uri;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
 import java.util.Optional;
 
+/**
+ * MainAbilitySlice
+ *
+ * @since 2021-06-15
+ */
 public class MainAbilitySlice extends AbilitySlice implements Component.ClickedListener {
-    private Image settingImage;
-    private Text checkItOutOnGitHubTextView;
+    private static final int TWO = 2;
+    private static final int TEN = 10;
+    private static final int FOUR = 4;
+    private static final int OFFSET = 130;
     private Text bodySizeTextView;
 
     @Override
@@ -37,16 +62,19 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
         initData();
     }
 
-    public void initComponent() {
-        settingImage = (Image) findComponentById(ResourceTable.Id_settingImage);checkItOutOnGitHubTextView = (Text) findComponentById(ResourceTable.Id_check_it_out_on_github);
+    private void initComponent() {
+        Image settingImage = (Image) findComponentById(ResourceTable.Id_settingImage);
+        Text checkItOutOnGitHubTextView = (Text) findComponentById(ResourceTable.Id_check_it_out_on_github);
         bodySizeTextView = (Text) findComponentById(ResourceTable.Id_body_size);
-        settingImage.setClickedListener(this::onClick);
-        checkItOutOnGitHubTextView.setClickedListener(this::onClick);
+        settingImage.setClickedListener(this);
+        checkItOutOnGitHubTextView.setClickedListener(this);
     }
 
-    public void initData() {
-        bodySizeTextView.setText("Body size - " + PreferenceUtils.getString(getApplicationContext(), Constants.BODY_SIZE, "180"));
-        bodySizeTextView.setTextSize(AttrHelper.vp2px(Integer.parseInt(PreferenceUtils.getString(getApplicationContext(), Constants.FONT_SIZE, "25")), getContext()));
+    private void initData() {
+        bodySizeTextView.setText("Body size - " + PreferenceUtils.
+            getString(getApplicationContext(), Constants.BODY_SIZE, "180"));
+        bodySizeTextView.setTextSize(AttrHelper.vp2px(Integer.parseInt(PreferenceUtils.
+            getString(getApplicationContext(), Constants.FONT_SIZE, "25")), getContext()));
     }
 
     @Override
@@ -63,23 +91,20 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
     public void onClick(Component component) {
         switch (component.getId()) {
             case ResourceTable.Id_settingImage:
-                Optional<Display>
-                    display = DisplayManager.getInstance().getDefaultDisplay(this);
-                DisplayAttributes displayAttributes = display.get().getAttributes();
-                PopupDialog menuDialog = new PopupDialog(this, null);
                 DirectionalLayout menuComponent = (DirectionalLayout) LayoutScatter.getInstance(this)
                     .parse(ResourceTable.Layout_custom_setting_popup, null, false);
                 Text textSetting = (Text) menuComponent.findComponentById(ResourceTable.Id_text);
-                DirectionalLayout dl = (DirectionalLayout) menuComponent.findComponentById(ResourceTable.Id_dl);
-                textSetting.setWidth(getWindow().getLayoutConfig().get().width / 2);
+                textSetting.setWidth(getWindow().getLayoutConfig().get().width / TWO);
                 ShapeElement element = new ShapeElement();
-                element.setCornerRadius(10);
-                dl.setBackground(element);
+                element.setCornerRadius(TEN);
                 textSetting.setBackground(element);
-                menuDialog.setCornerRadius(10);
-
+                Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(this);
+                DisplayAttributes displayAttributes = display.get().getAttributes();
+                PopupDialog menuDialog = new PopupDialog(this, null);
+                menuDialog.setCornerRadius(TEN);
                 menuDialog.setCustomComponent(menuComponent);
-                menuDialog.showOnCertainPosition(1, displayAttributes.width / 4 - AttrHelper.vp2px(10, getContext()), -displayAttributes.width + 130);
+                menuDialog.showOnCertainPosition(1, displayAttributes.width / FOUR
+                    - AttrHelper.vp2px(TEN, getContext()), -displayAttributes.width + OFFSET);
                 menuDialog.setAutoClosable(true);
                 menuDialog.setAlignment(LayoutAlignment.RIGHT | LayoutAlignment.TOP);
                 menuDialog.show();
@@ -99,7 +124,7 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
                 });
                 break;
             case ResourceTable.Id_check_it_out_on_github:
-                initWeb("https://github.com/vanniktech/VNTNumberPickerPreference");
+                initWeb(getUrl());
                 break;
             default:
         }
@@ -117,4 +142,21 @@ public class MainAbilitySlice extends AbilitySlice implements Component.ClickedL
         intents.setOperation(operation);
         startAbility(intents);
     }
+
+    private String getUrl() {
+        ohos.global.resource.ResourceManager resManager = this.getResourceManager();
+        ohos.global.resource.RawFileEntry rawFileEntry = resManager.getRawFileEntry("resources/rawfile/url.text");
+        StringBuffer stringBuffer = new StringBuffer();
+        try {
+            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(rawFileEntry.openRawFile()));
+            String line;
+            while ((line = bufferedReader.readLine()) != null) {
+                stringBuffer.append(line);
+            }
+            return stringBuffer.toString();
+        } catch (IOException e) {
+            e.getMessage();
+        }
+        return "";
+    }
 }
diff --git a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/SettingsAbilitySlice.java b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/SettingsAbilitySlice.java
index 96d05bdd1ad53382464948649a12f7dbe39314f9..4c6f1edc2a606a00f41aa5b5d4515ce5b0aca212 100644
--- a/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/SettingsAbilitySlice.java
+++ b/entry/src/main/java/com/vanniktech/vntnumberpickerpreference/sample/slice/SettingsAbilitySlice.java
@@ -1,3 +1,18 @@
+/*
+ * 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 com.vanniktech.vntnumberpickerpreference.sample.slice;
 
 import com.andexert.library.RippleView;
@@ -10,7 +25,6 @@ import com.vanniktech.vntnumberpickerpreference.CustomPickerPopup;
 import com.vanniktech.vntnumberpickerpreference.ParameterEntity;
 import com.vanniktech.vntnumberpickerpreference.PreferenceUtils;
 import com.vanniktech.vntnumberpickerpreference.sample.MainAbility;
-import com.vanniktech.vntnumberpickerpreference.sample.MyApplication;
 import com.vanniktech.vntnumberpickerpreference.sample.ResourceTable;
 import ohos.aafwk.ability.AbilitySlice;
 import ohos.aafwk.content.Intent;
@@ -19,12 +33,17 @@ import ohos.agp.components.Component;
 import ohos.agp.components.Image;
 import ohos.agp.components.Text;
 
+/**
+ * SettingsAbilitySlice
+ *
+ * @since 2021-06-15
+ */
 public class SettingsAbilitySlice extends AbilitySlice implements Component.ClickedListener {
-    private Image imageFinish;
-    private RippleView rvFont;
-    private RippleView rvBody;
-    private RippleView rvCallback;
-    private RippleView rvCustom;
+    private static final int FONTMINVALUE = 8;
+    private static final int FONTMAXVALUE = 100;
+    private static final int BODYMINVALUE = 40;
+    private static final int BODYMAXVALUE = 250;
+    private static final int CALLBACKMAXVALUE = 10;
     private Text fontTitle;
     private Text bodyTitle;
     private Text callbackTitle;
@@ -33,7 +52,7 @@ public class SettingsAbilitySlice extends AbilitySlice implements Component.Clic
     private Text bodyContent;
     private Text callbackContent;
     private Text customContent;
-    private ParameterEntity parameterEntity = new ParameterEntity();
+    private final ParameterEntity parameterEntity = new ParameterEntity();
 
     @Override
     public void onStart(Intent intent) {
@@ -43,12 +62,17 @@ public class SettingsAbilitySlice extends AbilitySlice implements Component.Clic
         initData();
     }
 
-    public void initComponent() {
-        imageFinish = (Image) findComponentById(ResourceTable.Id_image_finish);
-        rvFont = (RippleView) findComponentById(ResourceTable.Id_rv_font);
-        rvBody = (RippleView) findComponentById(ResourceTable.Id_rv_body);
-        rvCallback = (RippleView) findComponentById(ResourceTable.Id_rv_callback);
-        rvCustom = (RippleView) findComponentById(ResourceTable.Id_rv_custom);
+    private void initComponent() {
+        Image imageFinish = (Image) findComponentById(ResourceTable.Id_image_finish);
+        imageFinish.setClickedListener(this);
+        RippleView rvFont = (RippleView) findComponentById(ResourceTable.Id_rv_font);
+        rvFont.setClickedListener(this);
+        RippleView rvBody = (RippleView) findComponentById(ResourceTable.Id_rv_body);
+        rvBody.setClickedListener(this);
+        RippleView rvCallback = (RippleView) findComponentById(ResourceTable.Id_rv_callback);
+        rvCallback.setClickedListener(this);
+        RippleView rvCustom = (RippleView) findComponentById(ResourceTable.Id_rv_custom);
+        rvCustom.setClickedListener(this);
         fontTitle = (Text) findComponentById(ResourceTable.Id_font_title);
         bodyTitle = (Text) findComponentById(ResourceTable.Id_body_title);
         callbackTitle = (Text) findComponentById(ResourceTable.Id_callback_title);
@@ -57,14 +81,9 @@ public class SettingsAbilitySlice extends AbilitySlice implements Component.Clic
         bodyContent = (Text) findComponentById(ResourceTable.Id_body_content);
         callbackContent = (Text) findComponentById(ResourceTable.Id_callback_content);
         customContent = (Text) findComponentById(ResourceTable.Id_custom_content);
-        imageFinish.setClickedListener(this::onClick);
-        rvFont.setClickedListener(this::onClick);
-        rvBody.setClickedListener(this::onClick);
-        rvCallback.setClickedListener(this::onClick);
-        rvCustom.setClickedListener(this::onClick);
     }
 
-    public void initData() {
+    private void initData() {
         fontContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.FONT_SIZE, "25"));
         bodyContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.BODY_SIZE, "180"));
         callbackContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.CALLBACK, "1"));
@@ -87,92 +106,117 @@ public class SettingsAbilitySlice extends AbilitySlice implements Component.Clic
     public void onClick(Component component) {
         switch (component.getId()) {
             case ResourceTable.Id_image_finish:
-                Intent intent = new Intent();
-                Operation operation = new Intent.OperationBuilder()
-                    .withDeviceId("")
-                    .withBundleName(getAbilityPackageContext().getBundleName())
-                    .withAbilityName(MainAbility.class.getName())
-                    .build();
-                intent.setOperation(operation);
-                startAbility(intent);
-                terminateAbility();
+                finish();
                 break;
             case ResourceTable.Id_rv_font:
-                parameterEntity.setKey(Constants.FONT_SIZE);
-                parameterEntity.setMinValue(8);
-                parameterEntity.setMaxValue(100);
-                parameterEntity.setWheelModeEnabled(true);
-                parameterEntity.setValue(fontContent.getText());
-                parameterEntity.setTitle(fontTitle.getText());
-                new XPopup.Builder(getContext())
-                    .popupAnimation(PopupAnimation.NoAnimation)
-                    .setPopupCallback(new SimpleCallback() {
-                        @Override
-                        public void onDismiss(BasePopupView basePopupView) {
-                            // 完全隐藏的时候执行
-                            fontContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.FONT_SIZE, "25"));
-                        }
-                    })
-                    .asCustom(new CustomPickerPopup(parameterEntity))
-                    .show();
+                font();
                 break;
             case ResourceTable.Id_rv_body:
-                parameterEntity.setKey(Constants.BODY_SIZE);
-                parameterEntity.setMinValue(40);
-                parameterEntity.setMaxValue(250);
-                parameterEntity.setWheelModeEnabled(false);
-                parameterEntity.setValue(bodyContent.getText());
-                parameterEntity.setTitle(bodyTitle.getText());
-                new XPopup.Builder(getContext())
-                    .popupAnimation(PopupAnimation.NoAnimation)
-                    .setPopupCallback(new SimpleCallback() {
-                        @Override
-                        public void onDismiss(BasePopupView basePopupView) {
-                            // 完全隐藏的时候执行
-                            bodyContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.BODY_SIZE, "180"));
-                        }
-                    })
-                    .asCustom(new CustomPickerPopup(parameterEntity))
-                    .show();
+                body();
                 break;
             case ResourceTable.Id_rv_callback:
-                parameterEntity.setKey(Constants.CALLBACK);
-                parameterEntity.setMinValue(0);
-                parameterEntity.setMaxValue(10);
-                parameterEntity.setWheelModeEnabled(false);
-                parameterEntity.setValue(callbackContent.getText());
-                parameterEntity.setTitle(callbackTitle.getText());
-                new XPopup.Builder(getContext())
-                    .popupAnimation(PopupAnimation.NoAnimation)
-                    .setPopupCallback(new SimpleCallback() {
-                        @Override
-                        public void onDismiss(BasePopupView basePopupView) {
-                            // 完全隐藏的时候执行
-                            callbackContent.setText(PreferenceUtils.getString(getApplicationContext(), Constants.CALLBACK, "1"));
-                        }
-                    })
-                    .asCustom(new CustomPickerPopup(parameterEntity))
-                    .show();
+                callback();
                 break;
             case ResourceTable.Id_rv_custom:
-                parameterEntity.setKey(Constants.CUSTOM_SUMMARY);
-                parameterEntity.setMinValue(0);
-                parameterEntity.setMaxValue(100);
-                parameterEntity.setWheelModeEnabled(false);
-                parameterEntity.setValue(customContent.getText());
-                parameterEntity.setTitle(customTitle.getText());
-                new XPopup.Builder(getContext())
-                    .popupAnimation(PopupAnimation.NoAnimation)
-                    .setPopupCallback(new SimpleCallback() {
-                        @Override
-                        public void onDismiss(BasePopupView basePopupView) {
-                            // 完全隐藏的时候执行
-                            customContent.setText("My custom summary text. Value is " + PreferenceUtils.getString(getApplicationContext(), Constants.CUSTOM_SUMMARY, "10"));
-                        }
-                    })
-                    .asCustom(new CustomPickerPopup(parameterEntity))
-                    .show();
+                custom();
                 break;
+            default:
         }
     }
+
+    private void finish() {
+        Intent intent = new Intent();
+        Operation operation = new Intent.OperationBuilder()
+            .withDeviceId("")
+            .withBundleName(getAbilityPackageContext().getBundleName())
+            .withAbilityName(MainAbility.class.getName())
+            .build();
+        intent.setOperation(operation);
+        startAbility(intent);
+        terminateAbility();
+    }
+
+    private void font() {
+        parameterEntity.setKey(Constants.FONT_SIZE);
+        parameterEntity.setMinValue(FONTMINVALUE);
+        parameterEntity.setMaxValue(FONTMAXVALUE);
+        parameterEntity.setWheelModeEnabled(true);
+        parameterEntity.setValue(fontContent.getText());
+        parameterEntity.setTitle(fontTitle.getText());
+        new XPopup.Builder(getContext())
+            .popupAnimation(PopupAnimation.NoAnimation)
+            .setPopupCallback(new SimpleCallback() {
+                @Override
+                public void onDismiss(BasePopupView basePopupView) {
+                    // 完全隐藏的时候执行
+                    fontContent.setText(PreferenceUtils.getString(getApplicationContext(),
+                        Constants.FONT_SIZE, "25"));
+                }
+            })
+            .asCustom(new CustomPickerPopup(parameterEntity))
+            .show();
+    }
+
+    private void body() {
+        parameterEntity.setKey(Constants.BODY_SIZE);
+        parameterEntity.setMinValue(BODYMINVALUE);
+        parameterEntity.setMaxValue(BODYMAXVALUE);
+        parameterEntity.setWheelModeEnabled(false);
+        parameterEntity.setValue(bodyContent.getText());
+        parameterEntity.setTitle(bodyTitle.getText());
+        new XPopup.Builder(getContext())
+            .popupAnimation(PopupAnimation.NoAnimation)
+            .setPopupCallback(new SimpleCallback() {
+                @Override
+                public void onDismiss(BasePopupView basePopupView) {
+                    // 完全隐藏的时候执行
+                    bodyContent.setText(PreferenceUtils.getString(getApplicationContext(),
+                        Constants.BODY_SIZE, "180"));
+                }
+            })
+            .asCustom(new CustomPickerPopup(parameterEntity))
+            .show();
+    }
+
+    private void callback() {
+        parameterEntity.setKey(Constants.CALLBACK);
+        parameterEntity.setMinValue(0);
+        parameterEntity.setMaxValue(CALLBACKMAXVALUE);
+        parameterEntity.setWheelModeEnabled(false);
+        parameterEntity.setValue(callbackContent.getText());
+        parameterEntity.setTitle(callbackTitle.getText());
+        new XPopup.Builder(getContext())
+            .popupAnimation(PopupAnimation.NoAnimation)
+            .setPopupCallback(new SimpleCallback() {
+                @Override
+                public void onDismiss(BasePopupView basePopupView) {
+                    // 完全隐藏的时候执行
+                    callbackContent.setText(PreferenceUtils.getString(getApplicationContext(),
+                        Constants.CALLBACK, "1"));
+                }
+            })
+            .asCustom(new CustomPickerPopup(parameterEntity))
+            .show();
+    }
+
+    private void custom() {
+        parameterEntity.setKey(Constants.CUSTOM_SUMMARY);
+        parameterEntity.setMinValue(0);
+        parameterEntity.setMaxValue(FONTMAXVALUE);
+        parameterEntity.setWheelModeEnabled(false);
+        parameterEntity.setValue(customContent.getText());
+        parameterEntity.setTitle(customTitle.getText());
+        new XPopup.Builder(getContext())
+            .popupAnimation(PopupAnimation.NoAnimation)
+            .setPopupCallback(new SimpleCallback() {
+                @Override
+                public void onDismiss(BasePopupView basePopupView) {
+                    // 完全隐藏的时候执行
+                    customContent.setText("My custom summary text. Value is "
+                        + PreferenceUtils.getString(getApplicationContext(), Constants.CUSTOM_SUMMARY, "10"));
+                }
+            })
+            .asCustom(new CustomPickerPopup(parameterEntity))
+            .show();
+    }
 }
diff --git a/entry/src/main/resources/base/element/string.json b/entry/src/main/resources/base/element/string.json
index a1b7d42087dd759ad6095b80bd9321dddfbf1a32..5311a0cd0c342ee8b44395c0c9f1405e83c36e1a 100644
--- a/entry/src/main/resources/base/element/string.json
+++ b/entry/src/main/resources/base/element/string.json
@@ -19,6 +19,10 @@
     {
       "name": "settingsability_HelloWorld",
       "value": "Hello World"
+    },
+    {
+      "name": "url",
+      "value": "https://github.com/vanniktech/VNTNumberPickerPreference"
     }
   ]
 }
\ No newline at end of file
diff --git a/entry/src/main/resources/rawfile/url.text b/entry/src/main/resources/rawfile/url.text
new file mode 100644
index 0000000000000000000000000000000000000000..13d816e50d21b67e0ac1f526b88705329668229f
--- /dev/null
+++ b/entry/src/main/resources/rawfile/url.text
@@ -0,0 +1 @@
+https://github.com/vanniktech/VNTNumberPickerPreference
\ No newline at end of file
diff --git a/entry/src/ohosTest/java/com/vanniktech/vntnumberpickerpreference/sample/PreferenceUtilsTest.java b/entry/src/ohosTest/java/com/vanniktech/vntnumberpickerpreference/sample/PreferenceUtilsTest.java
index d9b11d737e6c192291d80c56d6ff474b9169cf3e..50a8f00419afa3fa762c0a682e90ba18131fd6b6 100644
--- a/entry/src/ohosTest/java/com/vanniktech/vntnumberpickerpreference/sample/PreferenceUtilsTest.java
+++ b/entry/src/ohosTest/java/com/vanniktech/vntnumberpickerpreference/sample/PreferenceUtilsTest.java
@@ -2,7 +2,7 @@
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/Constants.java b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/Constants.java
index 62dfe46afb5af8c903dec0aadd7ad28aa9c03f92..50ac42d652b3fe3312dc9cf5c4a3f351594bc96f 100644
--- a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/Constants.java
+++ b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/Constants.java
@@ -2,7 +2,7 @@
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/CustomPickerPopup.java b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/CustomPickerPopup.java
index d9d56c32aeeda5efe38beac8d3737a91ee09108c..10a8bca4d57b02d8e7970672a51c4fb674d8b8dd 100644
--- a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/CustomPickerPopup.java
+++ b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/CustomPickerPopup.java
@@ -2,7 +2,7 @@
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/ParameterEntity.java b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/ParameterEntity.java
index 3376e6755de161a667716548f42848f919ddc1c3..0839b09d1194c1fa63a9795fc1ab87dd912ff1ce 100644
--- a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/ParameterEntity.java
+++ b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/ParameterEntity.java
@@ -2,7 +2,7 @@
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/PreferenceUtils.java b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/PreferenceUtils.java
index 73c648d302f6dee7fbd1c2bcf4b52911c337fef3..09baea755b256f2d8217261e4cc94bacd5817f69 100644
--- a/library/src/main/java/com/vanniktech/vntnumberpickerpreference/PreferenceUtils.java
+++ b/library/src/main/java/com/vanniktech/vntnumberpickerpreference/PreferenceUtils.java
@@ -2,7 +2,7 @@
  * 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 an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *