diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/icon/OxygenIcons.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/icon/OxygenIcons.kt
index 8744fe8..4e2bef7 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/icon/OxygenIcons.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/icon/OxygenIcons.kt
@@ -13,6 +13,7 @@ import androidx.compose.material.icons.filled.Download
 import androidx.compose.material.icons.filled.Inbox
 import androidx.compose.material.icons.filled.MoreVert
 import androidx.compose.material.icons.filled.Reorder
+import androidx.compose.material.icons.filled.Upgrade
 import androidx.compose.material.icons.outlined.Home
 import androidx.compose.material.icons.outlined.Info
 import androidx.compose.material.icons.outlined.StarBorder
@@ -55,6 +56,7 @@ object OxygenIcons {
     val Success = Icons.Rounded.CheckCircle
     val Time = Icons.Default.AccessTime
     val Tool = Icons.Default.Build
+    val Upgrade = Icons.Default.Upgrade
 
     @OptIn(ExperimentalEncodingApi::class)
     fun fromSvgBase64(base64String: String): ImageBitmap {
diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/model/tool/ToolEntity.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/model/tool/ToolEntity.kt
index 84a292d..e6f6f02 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/model/tool/ToolEntity.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/model/tool/ToolEntity.kt
@@ -54,6 +54,25 @@ data class ToolEntity(
     @ColumnInfo(defaultValue = "NULL")
     val upgrade: String? = null
 ) {
+    constructor(toolId: String, authorUsername: String, ver: String, upgrade: String? = null) :
+            this(
+                id = -1,
+                name = "Unknown",
+                toolId = toolId,
+                icon = "",
+                platform = Platform.Android,
+                authorUsername = authorUsername,
+                authorNickname = "Unknown",
+                authorAvatar = "",
+                ver = ver,
+                keywords = emptyList(),
+                categories = emptyList(),
+                entryPoint = "",
+                createTime = LocalDateTime(1970, 1, 1, 0, 0),
+                updateTime = LocalDateTime(1970, 1, 1, 0, 0),
+                upgrade = upgrade
+            )
+
     enum class Platform {
         Web,
 
diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/component/ToolCard.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/component/ToolCard.kt
index fad7295..304c63a 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/component/ToolCard.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/component/ToolCard.kt
@@ -39,6 +39,7 @@ import top.fatweb.oxygen.toolbox.model.tool.ToolEntity
 fun ToolCard(
     modifier: Modifier = Modifier,
     tool: ToolEntity,
+    specifyVer: String? = null,
     actionIcon: ImageVector? = null,
     actionIconContentDescription: String = "",
     onAction: () -> Unit = {},
@@ -59,7 +60,7 @@ fun ToolCard(
             modifier = Modifier.padding(16.dp)
         ) {
             ToolHeader(
-                ver = tool.ver,
+                ver = specifyVer ?: tool.ver,
                 actionIcon = actionIcon,
                 actionIconContentDescription = actionIconContentDescription,
                 onAction = onAction
diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreScreen.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreScreen.kt
index f9638f2..3059fcc 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreScreen.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreScreen.kt
@@ -73,7 +73,10 @@ internal fun ToolStoreRoute(
         modifier = modifier,
         onNavigateToToolView = onNavigateToToolView,
         toolStorePagingItems = toolStorePagingItems,
-        onChangeInstallStatus = viewModel::changeInstallStatus,
+        onChangeInstallStatus = viewModel::changeInstallInfo,
+        onChangeInstallType = {
+            viewModel.changeInstallInfo(type = it)
+        },
         onInstallTool = viewModel::installTool,
         installInfo = installInfo
     )
@@ -84,8 +87,9 @@ internal fun ToolStoreScreen(
     modifier: Modifier = Modifier,
     onNavigateToToolView: (username: String, toolId: String) -> Unit,
     toolStorePagingItems: LazyPagingItems<ToolEntity>,
-    onChangeInstallStatus: (installStatus: ToolStoreUiState.Status) -> Unit,
-    onInstallTool: (username: String, toolId: String) -> Unit,
+    onChangeInstallStatus: (status: ToolStoreUiState.InstallInfo.Status) -> Unit,
+    onChangeInstallType: (type: ToolStoreUiState.InstallInfo.Type) -> Unit,
+    onInstallTool: (installTool: ToolEntity) -> Unit,
     installInfo: ToolStoreUiState.InstallInfo
 ) {
     val isToolLoading =
@@ -101,8 +105,7 @@ internal fun ToolStoreScreen(
 
     val infiniteTransition = rememberInfiniteTransition(label = "infiniteTransition")
 
-    var installToolUsername by remember { mutableStateOf("Unknown") }
-    var installToolId by remember { mutableStateOf("Unknown") }
+    var installTool by remember { mutableStateOf(ToolEntity("Unknown", "Unknown", "Unknown")) }
 
     Box(
         modifier.fillMaxSize()
@@ -116,12 +119,14 @@ internal fun ToolStoreScreen(
         ) {
             toolsPanel(
                 toolStorePagingItems = toolStorePagingItems,
-                onAction = { username, toolId ->
-                    installToolUsername = username
-                    installToolId = toolId
-                    onChangeInstallStatus(ToolStoreUiState.Status.Pending)
+                onAction = { tool, installType ->
+                    installTool = tool
+                    onChangeInstallStatus(ToolStoreUiState.InstallInfo.Status.Pending)
+                    onChangeInstallType(installType)
                 },
-                onClick = onNavigateToToolView
+                onClick = {
+                    onNavigateToToolView(it.authorUsername, it.toolId)
+                }
             )
 
             item(span = StaggeredGridItemSpan.FullLine) {
@@ -165,18 +170,17 @@ internal fun ToolStoreScreen(
     }
 
     InstallAlertDialog(
-        status = installInfo.status,
+        installTool = installTool,
+        installInfo = installInfo,
         onChangeInstallStatus = onChangeInstallStatus,
-        onInstallTool = { onInstallTool(installToolUsername, installToolId) },
-        username = installToolUsername,
-        toolId = installToolId
+        onInstallTool = { onInstallTool(installTool) }
     )
 }
 
 private fun LazyStaggeredGridScope.toolsPanel(
     toolStorePagingItems: LazyPagingItems<ToolEntity>,
-    onAction: (username: String, toolId: String) -> Unit,
-    onClick: (username: String, toolId: String) -> Unit
+    onAction: (installTool: ToolEntity, installType: ToolStoreUiState.InstallInfo.Type) -> Unit,
+    onClick: (ToolEntity) -> Unit
 ) {
     items(
         items = toolStorePagingItems.itemSnapshotList,
@@ -184,28 +188,34 @@ private fun LazyStaggeredGridScope.toolsPanel(
     ) {
         ToolCard(
             tool = it!!,
-            actionIcon = if (!it.isInstalled) OxygenIcons.Download else null,
+            specifyVer = it.upgrade,
+            actionIcon = if (it.upgrade != null) OxygenIcons.Upgrade else if (!it.isInstalled) OxygenIcons.Download else null,
             actionIconContentDescription = stringResource(R.string.core_install),
-            onAction = { onAction(it.authorUsername, it.toolId) },
-            onClick = { onClick(it.authorUsername, it.toolId) },
-            onLongClick = { onClick(it.authorUsername, it.toolId) },
+            onAction = {
+                onAction(
+                    it,
+                    if (it.upgrade != null) ToolStoreUiState.InstallInfo.Type.Upgrade else ToolStoreUiState.InstallInfo.Type.Install
+                )
+            },
+            onClick = { onClick(it) }
         )
     }
 }
 
 @Composable
 private fun InstallAlertDialog(
-    status: ToolStoreUiState.Status,
-    onChangeInstallStatus: (ToolStoreUiState.Status) -> Unit,
-    onInstallTool: () -> Unit,
-    username: String,
-    toolId: String
+    installTool: ToolEntity,
+    installInfo: ToolStoreUiState.InstallInfo,
+    onChangeInstallStatus: (ToolStoreUiState.InstallInfo.Status) -> Unit,
+    onInstallTool: () -> Unit
 ) {
-    if (status != ToolStoreUiState.Status.None) {
+    val (status, type) = installInfo
+
+    if (status != ToolStoreUiState.InstallInfo.Status.None) {
         AlertDialog(
             onDismissRequest = {
-                if (status == ToolStoreUiState.Status.Pending) {
-                    onChangeInstallStatus(ToolStoreUiState.Status.None)
+                if (status == ToolStoreUiState.InstallInfo.Status.Pending) {
+                    onChangeInstallStatus(ToolStoreUiState.InstallInfo.Status.None)
                 }
             },
             title = {
@@ -214,20 +224,34 @@ private fun InstallAlertDialog(
                 ) {
                     Icon(
                         imageVector = when (status) {
-                            ToolStoreUiState.Status.Success -> OxygenIcons.Success
-                            ToolStoreUiState.Status.Fail -> OxygenIcons.Error
+                            ToolStoreUiState.InstallInfo.Status.Success -> OxygenIcons.Success
+                            ToolStoreUiState.InstallInfo.Status.Fail -> OxygenIcons.Error
                             else -> OxygenIcons.Info
                         },
-                        contentDescription = stringResource(R.string.core_install)
+                        contentDescription = stringResource(
+                            when (type) {
+                                ToolStoreUiState.InstallInfo.Type.Install -> R.string.core_install
+                                ToolStoreUiState.InstallInfo.Type.Upgrade -> R.string.core_upgrade
+                            }
+                        )
                     )
                     Spacer(modifier = Modifier.width(4.dp))
                     Text(
                         text = stringResource(
-                            when (status) {
-                                ToolStoreUiState.Status.Success -> R.string.feature_store_install_success
-                                ToolStoreUiState.Status.Fail -> R.string.feature_store_install_fail
-                                else -> R.string.feature_store_install_tool
+                            when (type) {
+                                ToolStoreUiState.InstallInfo.Type.Install -> when (status) {
+                                    ToolStoreUiState.InstallInfo.Status.Success -> R.string.feature_store_install_success
+                                    ToolStoreUiState.InstallInfo.Status.Fail -> R.string.feature_store_install_fail
+                                    else -> R.string.feature_store_install_tool
+                                }
+
+                                ToolStoreUiState.InstallInfo.Type.Upgrade -> when (status) {
+                                    ToolStoreUiState.InstallInfo.Status.Success -> R.string.feature_store_upgrade_success
+                                    ToolStoreUiState.InstallInfo.Status.Fail -> R.string.feature_store_upgrade_fail
+                                    else -> R.string.feature_store_upgrade_tool
+                                }
                             }
+
                         )
                     )
                 }
@@ -239,39 +263,71 @@ private fun InstallAlertDialog(
                         .padding(vertical = 16.dp)
                 ) {
                     when (status) {
-                        ToolStoreUiState.Status.Pending ->
+                        ToolStoreUiState.InstallInfo.Status.Pending ->
                             Text(
-                                text = stringResource(
-                                    R.string.feature_store_ask_install,
-                                    username,
-                                    toolId
-                                )
+                                text = when (type) {
+                                    ToolStoreUiState.InstallInfo.Type.Install -> stringResource(
+                                        R.string.feature_store_ask_install,
+                                        installTool.authorUsername,
+                                        installTool.toolId
+                                    )
+
+                                    ToolStoreUiState.InstallInfo.Type.Upgrade -> stringResource(
+                                        R.string.feature_store_ask_upgrade,
+                                        installTool.authorUsername,
+                                        installTool.toolId,
+                                        installTool.ver,
+                                        installTool.upgrade ?: installTool.ver
+                                    )
+                                }
+
                             )
 
-                        ToolStoreUiState.Status.Installing ->
+                        ToolStoreUiState.InstallInfo.Status.Processing ->
                             Column(
                                 modifier = Modifier.fillMaxWidth(),
                                 horizontalAlignment = Alignment.CenterHorizontally
                             ) {
                                 CircularProgressIndicator()
                                 Spacer(modifier = Modifier.height(16.dp))
-                                Text(text = stringResource(R.string.core_installing))
+                                Text(
+                                    text = stringResource(
+                                        when (type) {
+                                            ToolStoreUiState.InstallInfo.Type.Install -> R.string.core_installing
+                                            ToolStoreUiState.InstallInfo.Type.Upgrade -> R.string.core_upgrading
+                                        }
+                                    )
+                                )
                             }
 
-                        ToolStoreUiState.Status.Success ->
-                            Text(text = stringResource(R.string.feature_store_install_success_info))
+                        ToolStoreUiState.InstallInfo.Status.Success ->
+                            Text(
+                                text = stringResource(
+                                    when (type) {
+                                        ToolStoreUiState.InstallInfo.Type.Install -> R.string.feature_store_install_success_info
+                                        ToolStoreUiState.InstallInfo.Type.Upgrade -> R.string.feature_store_upgrade_success_info
+                                    }
+                                )
+                            )
 
-                        ToolStoreUiState.Status.Fail ->
-                            Text(text = stringResource(R.string.feature_store_install_fail_info))
+                        ToolStoreUiState.InstallInfo.Status.Fail ->
+                            Text(
+                                text = stringResource(
+                                    when (type) {
+                                        ToolStoreUiState.InstallInfo.Type.Install -> R.string.feature_store_install_fail_info
+                                        ToolStoreUiState.InstallInfo.Type.Upgrade -> R.string.feature_store_upgrade_fail_info
+                                    }
+                                )
+                            )
 
                         else -> Unit
                     }
                 }
             },
             dismissButton = {
-                if (status == ToolStoreUiState.Status.Pending) {
+                if (status == ToolStoreUiState.InstallInfo.Status.Pending) {
                     TextButton(onClick = {
-                        onChangeInstallStatus(ToolStoreUiState.Status.None)
+                        onChangeInstallStatus(ToolStoreUiState.InstallInfo.Status.None)
                     }) {
                         Text(text = stringResource(R.string.core_cancel))
                     }
@@ -279,19 +335,23 @@ private fun InstallAlertDialog(
             },
             confirmButton = {
                 when (status) {
-                    ToolStoreUiState.Status.Pending ->
+                    ToolStoreUiState.InstallInfo.Status.Pending ->
                         TextButton(onClick = onInstallTool) {
-                            Text(text = stringResource(R.string.core_install))
+                            Text(text = stringResource(
+                                when (type) {
+                                    ToolStoreUiState.InstallInfo.Type.Install -> R.string.core_install
+                                    ToolStoreUiState.InstallInfo.Type.Upgrade -> R.string.core_upgrade
+                                }))
                         }
 
-                    ToolStoreUiState.Status.Success,
-                    ToolStoreUiState.Status.Fail ->
+                    ToolStoreUiState.InstallInfo.Status.Success,
+                    ToolStoreUiState.InstallInfo.Status.Fail ->
                         TextButton(onClick = {
-                            onChangeInstallStatus(ToolStoreUiState.Status.None)
+                            onChangeInstallStatus(ToolStoreUiState.InstallInfo.Status.None)
                         }) {
                             Text(
                                 text = stringResource(
-                                    if (status == ToolStoreUiState.Status.Success) R.string.core_ok
+                                    if (status == ToolStoreUiState.InstallInfo.Status.Success) R.string.core_ok
                                     else R.string.core_close
                                 )
                             )
diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreViewModel.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreViewModel.kt
index 94a67d9..1a19c50 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreViewModel.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/tool/ToolStoreViewModel.kt
@@ -38,24 +38,36 @@ class ToolStoreViewModel @Inject constructor(
         )
     }
 
-    fun changeInstallStatus(installStatus: ToolStoreUiState.Status) {
-        savedStateHandle[INSTALL_INFO] = ToolStoreUiState.InstallInfo(installStatus)
+    fun changeInstallInfo(
+        status: ToolStoreUiState.InstallInfo.Status = installInfo.value.status,
+        type: ToolStoreUiState.InstallInfo.Type = installInfo.value.type
+    ) {
+        savedStateHandle[INSTALL_INFO] = ToolStoreUiState.InstallInfo(status, type)
     }
 
-    fun installTool(username: String, toolId: String) {
+    fun installTool(
+        toolEntity: ToolEntity
+    ) {
         viewModelScope.launch {
-            storeRepository.detail(username, toolId).collect {
-                when (it) {
-                    Result.Loading -> savedStateHandle[INSTALL_INFO] =
-                        ToolStoreUiState.InstallInfo(ToolStoreUiState.Status.Installing)
+            storeRepository.detail(toolEntity.authorUsername, toolEntity.toolId).collect { result ->
+                when (result) {
+                    Result.Loading -> changeInstallInfo(status = ToolStoreUiState.InstallInfo.Status.Processing)
 
-                    is Result.Error, is Result.Fail -> savedStateHandle[INSTALL_INFO] =
-                        ToolStoreUiState.InstallInfo(ToolStoreUiState.Status.Fail)
+                    is Result.Error, is Result.Fail -> changeInstallInfo(status = ToolStoreUiState.InstallInfo.Status.Fail)
 
                     is Result.Success -> {
-                        toolRepository.saveTool(it.data)
-                        savedStateHandle[INSTALL_INFO] =
-                            ToolStoreUiState.InstallInfo(ToolStoreUiState.Status.Success)
+                        when (installInfo.value.type) {
+                            ToolStoreUiState.InstallInfo.Type.Install -> toolRepository.saveTool(
+                                result.data
+                            )
+
+                            ToolStoreUiState.InstallInfo.Type.Upgrade -> {
+                                toolRepository.removeTool(toolEntity)
+                                toolRepository.saveTool(result.data)
+                            }
+                        }
+
+                        changeInstallInfo(status = ToolStoreUiState.InstallInfo.Status.Success)
                     }
                 }
             }
@@ -69,11 +81,16 @@ data class ToolStoreUiState(
 ) : Parcelable {
     @Parcelize
     data class InstallInfo(
-        var status: Status = Status.None
-    ) : Parcelable
+        var status: Status = Status.None,
+        var type: Type = Type.Install
+    ) : Parcelable {
+        enum class Status {
+            None, Pending, Processing, Success, Fail
+        }
 
-    enum class Status {
-        None, Pending, Installing, Success, Fail
+        enum class Type {
+            Install, Upgrade
+        }
     }
 }
 
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 2f1c3e0..c3cba93 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -14,6 +14,8 @@
     <string name="core_no_connect">⚠️ 无法连接至互联网</string>
     <string name="core_install">安装</string>
     <string name="core_installing">安装中……</string>
+    <string name="core_upgrade">更新</string>
+    <string name="core_upgrading">更新中……</string>
     <string name="core_uninstall">卸载</string>
     <string name="core_uninstall_success">卸载成功</string>
     <string name="core_cancel">取消</string>
@@ -21,11 +23,17 @@
 
     <string name="feature_store_title">商店</string>
     <string name="feature_store_install_tool">安装工具</string>
-    <string name="feature_store_ask_install">确定安装由用户 %1$s 提供的工具 %2$s 吗?</string>
+    <string name="feature_store_ask_install">确定安装由用户 %1$s 提供的工具 %2$s 吗？</string>
     <string name="feature_store_install_success">安装成功</string>
     <string name="feature_store_install_success_info">恭喜！工具安装成功。</string>
     <string name="feature_store_install_fail">安装失败</string>
     <string name="feature_store_install_fail_info">安装失败！请稍后重试……</string>
+    <string name="feature_store_upgrade_tool">更新工具</string>
+    <string name="feature_store_ask_upgrade">确定要将用户 %2$s 提供的工具 %1$s 从版本 %3$s 更新到版本 %4$s 吗？</string>
+    <string name="feature_store_upgrade_success">更新成功</string>
+    <string name="feature_store_upgrade_success_info">恭喜！工具更新成功。</string>
+    <string name="feature_store_upgrade_fail">更新失败</string>
+    <string name="feature_store_upgrade_fail_info">更新失败！请稍后重试……</string>
 
     <string name="feature_tools_title">工具</string>
     <string name="feature_tools_description">简介</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 81f668f..0e11509 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -13,6 +13,8 @@
     <string name="core_no_connect">⚠️ Unable to connect to the internet</string>
     <string name="core_install">Install</string>
     <string name="core_installing">Installing…</string>
+    <string name="core_upgrade">Upgrade</string>
+    <string name="core_upgrading">Upgrading…</string>
     <string name="core_uninstall">Uninstall</string>
     <string name="core_uninstall_success">Uninstalled successfully</string>
     <string name="core_cancel">Cancel</string>
@@ -20,11 +22,17 @@
 
     <string name="feature_store_title">Store</string>
     <string name="feature_store_install_tool">Install Tool</string>
-    <string name="feature_store_ask_install">Are you sure to install tool %1$s provided by user %2$s?</string>
+    <string name="feature_store_ask_install">Are you sure you want to install tool %1$s provided by user %2$s?</string>
     <string name="feature_store_install_success">Install Success</string>
     <string name="feature_store_install_success_info">Congratulations, the tool installation is successful.</string>
     <string name="feature_store_install_fail">Install Failed</string>
     <string name="feature_store_install_fail_info">Installation failed, please try again later…</string>
+    <string name="feature_store_upgrade_tool">Upgrade Tool</string>
+    <string name="feature_store_ask_upgrade">Are you sure you want to upgrade tool %1$s provided by user %2$s from version %3$s to version %4$s?</string>
+    <string name="feature_store_upgrade_success">Upgrade Success</string>
+    <string name="feature_store_upgrade_success_info">Congratulations, the tool upgrade was successful.</string>
+    <string name="feature_store_upgrade_fail">Upgrade Failed</string>
+    <string name="feature_store_upgrade_fail_info">Upgrade failed, please try again later…</string>
 
     <string name="feature_tools_title">Tools</string>
     <string name="feature_tools_description">Desc</string>