diff --git a/app_dashboard/build.gradle b/app_dashboard/build.gradle
index 29ce32b..1651ebe 100644
--- a/app_dashboard/build.gradle
+++ b/app_dashboard/build.gradle
@@ -2,6 +2,8 @@ plugins {
     id 'com.android.application'
 }
 
+apply from: '../common.gradle'
+
 android {
     namespace 'cn.ykbox.dashboard'
     compileSdk 35
@@ -11,16 +13,20 @@ android {
         applicationId "cn.ykbox.dashboard"
         minSdk 21
         targetSdk 35
-        versionCode 1
-        versionName "1.0"
+        versionCode gitVersionCode()
+        versionName gitVersionTag()
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
+        debug {
+            signingConfig signingConfigs.release
+        }
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
     compileOptions {
@@ -30,6 +36,59 @@ android {
     buildFeatures {
         viewBinding true
     }
+
+    // sign the application
+    signingConfigs {
+        release {
+            storeFile file('..\\sinclass.jks')
+            storePassword '=efX!O4i'
+            keyAlias 'ScreenClient'
+            keyPassword '=efX!O4i'
+
+            v1SigningEnabled true
+            v2SigningEnabled true
+        }
+    }
+
+    android.applicationVariants.all { variant ->
+        def docDir = rootProject.getRootDir().getAbsolutePath() + "/../apk/dashboard"
+        def releaseDir = rootProject.getRootDir().getAbsolutePath() + "/../apk/dashboard"
+        if (versionName.contains("beta"))
+            releaseDir += "/beta"
+
+        variant.outputs.all {
+            // 常规版本不加后缀
+            outputFileName = "dashboard_${defaultConfig.versionName}.apk"
+        }
+
+        // assemble 结束后，将apk复制到指定目录
+        variant.assembleProvider.get().doLast {
+            variant.outputs.all {
+                if (variant.buildType.name == 'release') {
+                    copy {
+                        from "${project.getProjectDir().path}/build/outputs/apk/${variant.buildType.name}/${outputFileName}"
+                        into releaseDir
+                    }
+
+                    def downloadUrl = "http://thinkdisk.thinkbo.cn/src/web/dashboard/${outputFileName}"
+                    genUpdateJson(downloadUrl, releaseDir, outputFileName, 'changelog.md', defaultConfig, variant)
+
+                    File file = new File("${project.getProjectDir().path}/changelog.md")
+                    replaceText(file, 'VERSION_CODE', "${defaultConfig.versionCode}")
+
+                    // 用 pandoc 将 changelog.md 导出为 html 格式
+                    exec {
+                        workingDir project.getProjectDir().getAbsolutePath()
+                        commandLine 'pandoc', '--standalone', '--embed-resources',
+                                '--css', rootProject.getRootDir().getAbsolutePath() + '/doc/themes/blue/blue.css',
+                                'changelog.md', '-f',
+                                'markdown', '-t', 'html', '-s',
+                                '-o', "${docDir}/changelog.html"
+                    }
+                }
+            }
+        }
+    }
 }
 
 repositories {
diff --git a/app_dashboard/changelog.md b/app_dashboard/changelog.md
new file mode 100644
index 0000000..ec44464
--- /dev/null
+++ b/app_dashboard/changelog.md
@@ -0,0 +1,19 @@
+---
+title:  "看板APP更新日志和文件下载"
+author:
+- 宁波升维信息技术有限公司
+---
+
+<!--
+1. 更新记录 文字不可变，且前一行需为空行
+2. $ {VERSION_CODE} (去掉空格)，会自动替换实际修订号，比如 1.1.4.$ {VERSION_CODE}
+-->
+
+### [1.0.0.${VERSION_CODE}] - 2025.9.12
+
+#### 文件下载
+
+* [dashboard_1.0.0.apk](dashboard_1.0.0.apk)
+
+#### 更新记录
+* 初版
diff --git a/app_dashboard/src/main/AndroidManifest.xml b/app_dashboard/src/main/AndroidManifest.xml
index c9a9d17..755b7d0 100644
--- a/app_dashboard/src/main/AndroidManifest.xml
+++ b/app_dashboard/src/main/AndroidManifest.xml
@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+    <uses-permission android:name="android.permission.USE_EXACT_ALARM" />
 
     <application
         android:allowBackup="true"
@@ -46,7 +48,11 @@
         <receiver
             android:name=".receiver.CommandBroadcastReceiver"
             android:enabled="true"
-            android:exported="false" />
+            android:exported="false" >
+            <intent-filter>
+                <action android:name="cn.ykbox.dashboard.ACTION_SEND_COMMAND" />
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
index a87646e..803911b 100644
--- a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
+++ b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
@@ -5,6 +5,7 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -12,6 +13,11 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
+import android.webkit.WebResourceError;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.Toast;
 
@@ -36,8 +42,13 @@ public class BuildingDashboardActivity extends FullscreenActivity {
     private static final long CONFIG_LOAD_INTERVAL = 10 * 60 * 1000; // 10 minutes
     private static final int MAX_COMMAND_ALARMS = 20; // 支持的最大闹钟指令数量
 
+    private Context mContext;
     private String mainUrl;
+    private int retryCount = 0;
+    private static final int MAX_RETRY = 99; // 最大重试次数
+    private static final int RETRY_DELAY = 60000; // 1分钟 = 60000毫秒
     private String configUrl;
+
     private ConfigReader configReader;
     private String lastAppliedSerialConfig = null;
 
@@ -88,9 +99,34 @@ public class BuildingDashboardActivity extends FullscreenActivity {
         configUrl = url + "/data/config.json";
 
         configLoadHandler.post(configLoadRunnable);
+        loadUrlWithRetry();
+    }
+
+    private void loadUrlWithRetry() {
         binding.webview.loadUrl(mainUrl);
     }
 
+    private void handleLoadError() {
+        if (retryCount < MAX_RETRY) {
+            retryCount++;
+            Log.d("WebView", "加载失败，将在1分钟后重试 (第" + retryCount + "次重试)");
+
+            // 使用Handler延迟执行重试
+            configLoadHandler.postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    Log.d("WebView", "开始重试加载...");
+                    loadUrlWithRetry();
+                }
+            }, RETRY_DELAY);
+
+        } else {
+            Log.e("WebView", "重试次数已达上限，加载失败");
+            // 这里可以显示错误页面或提示用户
+            showToast("网页加载失败，请检查网络连接");
+        }
+    }
+
     @Override
     protected void onPause() {
         super.onPause();
@@ -117,8 +153,45 @@ public class BuildingDashboardActivity extends FullscreenActivity {
     }
 
     private void initWebView() {
-        binding.webview.getSettings().setJavaScriptEnabled(true);
-        binding.webview.setWebViewClient(new WebViewClient());
+        WebSettings webSettings = binding.webview.getSettings();
+        webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
+        webSettings.setJavaScriptEnabled(true);
+
+        binding.webview.setWebViewClient(new WebViewClient() {
+            @Override
+            public void onReceivedError(WebView view, WebResourceRequest request,
+                                        WebResourceError error) {
+                super.onReceivedError(view, request, error);
+
+                // 只处理主页面的错误，不处理资源文件错误
+                if (request.getUrl().toString().equals(mainUrl)) {
+                    handleLoadError();
+                }
+            }
+
+            @Override
+            public void onReceivedHttpError(WebView view, WebResourceRequest request,
+                                            WebResourceResponse errorResponse) {
+                super.onReceivedHttpError(view, request, errorResponse);
+
+                // 处理HTTP错误（如404, 500等）
+                if (request.getUrl().toString().equals(mainUrl)) {
+                    handleLoadError();
+                }
+            }
+
+            @Override
+            public void onPageFinished(WebView view, String url) {
+                super.onPageFinished(view, url);
+
+                // 页面加载成功，重置重试计数
+                if (url.equals(mainUrl)) {
+                    retryCount = 0;
+                    Log.d("WebView", "页面加载成功: " + url);
+                }
+            }
+        });
+
     }
 
     private void initConfigLoader() {
@@ -209,8 +282,19 @@ public class BuildingDashboardActivity extends FullscreenActivity {
                         calendar.add(Calendar.DAY_OF_YEAR, 1);
                     }
 
-                    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, pendingIntent);
-                    Log.d(TAG, "Set repeating alarm for " + time + " with command " + hex + " on port " + portPath + " at " + baudRate + " baud");
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
+                        Log.d(TAG, "setExactAndAllowWhileIdle, Set repeating alarm for " + time + " with command " + hex + " on port " + portPath + " at " + baudRate + " baud");
+                    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                        alarmManager.setExact(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
+                        Log.d(TAG, "setExact, Set repeating alarm for " + time + " with command " + hex + " on port " + portPath + " at " + baudRate + " baud");
+                    } else {
+                        alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
+                        Log.d(TAG, "Set repeating alarm for " + time + " with command " + hex + " on port " + portPath + " at " + baudRate + " baud");
+                    }
+
+//                    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, pendingIntent);
+
                 }
             }
 
@@ -228,6 +312,8 @@ public class BuildingDashboardActivity extends FullscreenActivity {
     }
 
     private void showToast(String message) {
-        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
+        runOnUiThread(() -> Toast.makeText(mContext,
+                message,
+                Toast.LENGTH_SHORT).show());
     }
 }
diff --git a/app_dashboard/src/main/java/cn/ykbox/dashboard/receiver/CommandBroadcastReceiver.java b/app_dashboard/src/main/java/cn/ykbox/dashboard/receiver/CommandBroadcastReceiver.java
index 40ea0a8..50b4650 100644
--- a/app_dashboard/src/main/java/cn/ykbox/dashboard/receiver/CommandBroadcastReceiver.java
+++ b/app_dashboard/src/main/java/cn/ykbox/dashboard/receiver/CommandBroadcastReceiver.java
@@ -19,7 +19,6 @@ public class CommandBroadcastReceiver extends BroadcastReceiver {
         if (intent != null && ACTION_SEND_COMMAND.equals(intent.getAction())) {
             String hexCommand = intent.getStringExtra(EXTRA_COMMAND_HEX);
             String portPath = intent.getStringExtra(EXTRA_PORT_PATH);
-            // 新增：从 Intent 中获取波特率，如果不存在则默认为 9600
             int baudRate = intent.getIntExtra(EXTRA_BAUD_RATE, 9600);
 
             if (hexCommand != null && !hexCommand.isEmpty() && portPath != null && !portPath.isEmpty()) {
diff --git a/app_dashboard/src/main/res/layout/activity_building_dashboard.xml b/app_dashboard/src/main/res/layout/activity_building_dashboard.xml
index 452a866..7d938e9 100644
--- a/app_dashboard/src/main/res/layout/activity_building_dashboard.xml
+++ b/app_dashboard/src/main/res/layout/activity_building_dashboard.xml
@@ -38,12 +38,6 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="设置" />
-            <Button
-                android:id="@+id/power_off_tv_button"
-                style="?android:attr/buttonBarButtonStyle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="关电视" />
         </LinearLayout>
     </FrameLayout>
 
diff --git a/common.gradle b/common.gradle
index 833eb60..d884f52 100644
--- a/common.gradle
+++ b/common.gradle
@@ -25,7 +25,7 @@ ext {
         return new Date().format("yyyy-MM-dd", TimeZone.getTimeZone("UTC"))
     }
 
-    genUpdateJson = { downloadUrl, releaseDir, apkFileName, defaultConfig, variant ->
+    genUpdateJson = { downloadUrl, releaseDir, apkFileName, logfile, defaultConfig, variant ->
         // 生成 update.json 文件，用于自动更新
         def releaseTime = releaseTime()
         def txtFile = new File(releaseDir, "update.json")
@@ -33,14 +33,15 @@ ext {
         def fileMd5 = ""
 
         // 读取 changelog，并提取最新版本的日志
-        def changeLogFile = new File(project.getProjectDir().path, "changelog.md")
+        def changeLogFile = new File(project.getProjectDir().path, logfile)
         def text = changeLogFile.text
-        def marker = "### 更新记录"
+        def marker = "#### 更新记录"
         def startIndex = text.indexOf(marker)
 
         if (startIndex != -1) {
             // 找到标记后，找到下一个空行
-            def endIndex = text.indexOf('\r\n\r\n', startIndex)
+            def endIndex = text.indexOf('### [', startIndex)
+
             if(endIndex == -1)
                 endIndex = text.length() - 1
 
@@ -48,7 +49,10 @@ ext {
                 // 截取内容并存储到变量B
                 def content = text.substring(startIndex + marker.length(), endIndex)
                 changeLog = content.trim()
-                changeLog = changeLog.replaceAll("\r\n", "\\\\n")
+                changeLog = changeLog
+                        .replaceAll("\r\n", "\\\\n")  // 处理 Windows 换行
+                        .replaceAll("\n", "\\\\n")    // 处理 Linux/macOS 换行
+                        .replaceAll("\r", "\\\\n")    // 处理旧版 macOS 换行
             }
         }
 
@@ -74,6 +78,13 @@ ext {
                 "  \"downloadUrl\": \"${downloadUrl}\"\n" +
                 "}"
     }
+
+    replaceText = {File file, String key, String value ->
+        def fileText = file.text
+        def regex = '\\$\\{' + key + '\\}'
+        fileText = (fileText =~ /${regex}/).replaceAll(value)
+        file.write(fileText)
+    }
 }
 
 // 自定义任务
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
index e69de29..4f906e0
--- a/gradlew
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/release.sh b/release.sh
new file mode 100755
index 0000000..c8c21e5
--- /dev/null
+++ b/release.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+
+
+export JAVA_HOME=/opt/android-studio/jbr
+./gradlew clean assembleRelease