diff --git a/package.json b/package.json
index 167779fe..f889fde0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "selection-command-monorepo",
-  "version": "0.16.0",
+  "version": "0.17.0",
   "private": true,
   "description": "Selection Command - Monorepo for Chrome Extension and Hub",
   "author": "ujiro99",
diff --git a/packages/extension/manifest.json b/packages/extension/manifest.json
index 71377c7d..addd9092 100644
--- a/packages/extension/manifest.json
+++ b/packages/extension/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "__MSG_extName__",
   "description": "__MSG_extDescription__",
-  "version": "0.16.0",
+  "version": "0.17.0",
   "default_locale": "en",
   "icons": {
     "128": "icon128.png"
diff --git a/packages/extension/package.json b/packages/extension/package.json
index bc82c435..8994a87d 100644
--- a/packages/extension/package.json
+++ b/packages/extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@selection-command/extension",
-  "version": "0.16.0",
+  "version": "0.17.0",
   "private": true,
   "author": "ujiro99",
   "license": "MIT",
diff --git a/packages/extension/src/action/sidePanel.ts b/packages/extension/src/action/sidePanel.ts
index f59f2cd8..bd25ec90 100644
--- a/packages/extension/src/action/sidePanel.ts
+++ b/packages/extension/src/action/sidePanel.ts
@@ -1,8 +1,9 @@
-import { isValidString, toUrl } from "@/lib/utils"
+import { isValidString, toUrl, isEmpty } from "@/lib/utils"
 import { SPACE_ENCODING } from "@/const"
-import type { ExecuteCommandParams } from "@/types"
+import type { ExecuteCommandParams, ShowToastParam } from "@/types"
 import type { OpenSidePanelProps } from "@/services/chrome"
-import { Ipc, BgCommand } from "@/services/ipc"
+import { Ipc, BgCommand, TabCommand } from "@/services/ipc"
+import { t } from "@/services/i18n"
 
 export const SidePanel = {
   async execute({
@@ -14,14 +15,33 @@ export const SidePanel = {
       console.error("searchUrl is not valid.")
       return
     }
-
+    // Read clipboard text for interpolation, but don't block execution if it fails.
+    let clipboardText: string = ""
     try {
-      const url = toUrl({
-        searchUrl: command.searchUrl,
-        spaceEncoding: command.spaceEncoding ?? SPACE_ENCODING.PLUS,
-        selectionText,
-        useClipboard: useClipboard ?? false,
+      if (useClipboard && isEmpty(selectionText)) {
+        clipboardText = await navigator.clipboard.readText()
+      }
+    } catch (e) {
+      console.warn("Failed to read clipboard text:", e)
+
+      const tabId = await Ipc.getActiveTabId()
+      await Ipc.sendTab<ShowToastParam>(tabId, TabCommand.showToast, {
+        title: t("clipboard_error_title"),
+        description: t("clipboard_error_description"),
+        action: t("clipboard_error_action"),
       })
+    }
+
+    try {
+      const url = toUrl(
+        {
+          searchUrl: command.searchUrl,
+          spaceEncoding: command.spaceEncoding ?? SPACE_ENCODING.PLUS,
+          selectionText,
+          useClipboard: useClipboard ?? false,
+        },
+        clipboardText,
+      )
 
       Ipc.send<OpenSidePanelProps>(BgCommand.openSidePanel, {
         url,
diff --git a/packages/extension/src/background_script.ts b/packages/extension/src/background_script.ts
index 736f6034..409c41e8 100644
--- a/packages/extension/src/background_script.ts
+++ b/packages/extension/src/background_script.ts
@@ -580,19 +580,12 @@ chrome.commands.onCommand.addListener(async (commandName) => {
       return
     }
 
-    // Get active tab
-    const [tab] = await chrome.tabs.query({ active: true, currentWindow: true })
     const command = settings.commands.find((c) => c.id === shortcut.commandId)
     if (!command) {
       console.warn(`Command not found: ${shortcut.commandId}`)
       return
     }
 
-    const enableSendTab =
-      tab?.id &&
-      !tab.url?.startsWith("chrome") &&
-      !tab.url?.includes("chromewebstore.google.com")
-
     const selectionText = await Storage.get<string>(
       SESSION_STORAGE_KEY.SELECTION_TEXT,
     )
@@ -613,6 +606,13 @@ chrome.commands.onCommand.addListener(async (commandName) => {
       }
     }
 
+    // Get active tab
+    const [tab] = await chrome.tabs.query({ active: true, currentWindow: true })
+    const enableSendTab =
+      tab?.id &&
+      !tab.url?.startsWith("chrome") &&
+      !tab.url?.includes("chromewebstore.google.com")
+
     let ret: unknown
     if (enableSendTab) {
       // Execute command in tab
diff --git a/packages/extension/src/services/chrome.ts b/packages/extension/src/services/chrome.ts
index 65afe51f..946fe324 100644
--- a/packages/extension/src/services/chrome.ts
+++ b/packages/extension/src/services/chrome.ts
@@ -681,8 +681,7 @@ export const openSidePanel = async (
 ): Promise<{ tabId: number | undefined }> => {
   const { url, tabId } = param
 
-  const targetTabId = tabId
-  if (!targetTabId) {
+  if (!tabId) {
     console.warn("No valid tab ID for side panel")
     return {
       tabId: undefined,
@@ -692,17 +691,20 @@ export const openSidePanel = async (
   // Set the side panel options for the tab
   // Do not await here because sidePanel.open() must be executed within a user gesture.
   chrome.sidePanel.setOptions({
-    tabId: targetTabId,
+    tabId,
     path: toUrl(url),
     enabled: true,
   })
 
   // Open the side panel
-  await chrome.sidePanel.open({ tabId: targetTabId })
-
-  return {
-    tabId: targetTabId,
+  try {
+    await chrome.sidePanel.open({ tabId })
+  } catch (e) {
+    console.error("Failed to open side panel:", e)
+    throw e
   }
+
+  return { tabId }
 }
 
 const SIDE_PANEL_CLOSE_ANIMATION = 1000