diff --git a/web/app/components/base/prompt-editor/__tests__/sandbox-placeholder.spec.tsx b/web/app/components/base/prompt-editor/__tests__/sandbox-placeholder.spec.tsx
index 22d69cdd11..ed2927c7d0 100644
--- a/web/app/components/base/prompt-editor/__tests__/sandbox-placeholder.spec.tsx
+++ b/web/app/components/base/prompt-editor/__tests__/sandbox-placeholder.spec.tsx
@@ -1,16 +1,18 @@
-import type { ReactElement } from 'react'
-import { render, screen } from '@testing-library/react'
+import { render } from '@testing-library/react'
 import SandboxPlaceholder from '../sandbox-placeholder'
 
 vi.mock('react-i18next', () => ({
-  Trans: ({ i18nKey, components = [] }: {
-    i18nKey: string
-    components?: ReactElement[]
-  }) => (
-    <div data-i18n-key={i18nKey} data-testid="sandbox-placeholder-trans">
-      {components}
-    </div>
-  ),
+  useTranslation: () => ({
+    t: (key: string) => {
+      const translations: Record<string, string> = {
+        'promptEditor.placeholderSandboxPrefix': 'Write instructions here, ',
+        'promptEditor.placeholderSandboxInsert': 'insert',
+        'promptEditor.placeholderSandboxSeparator': ', ',
+        'promptEditor.placeholderSandboxTools': 'tools',
+      }
+      return translations[key] ?? key
+    },
+  }),
 }))
 
 describe('SandboxPlaceholder', () => {
@@ -24,10 +26,9 @@ describe('SandboxPlaceholder', () => {
       const { container } = render(<SandboxPlaceholder isSupportSandbox={false} />)
 
       expect(container).toBeEmptyDOMElement()
-      expect(screen.queryByTestId('sandbox-placeholder-trans')).not.toBeInTheDocument()
     })
 
-    it('should render slash and insert tokens when tool blocks are disabled', () => {
+    it('should render only the insert pair when tool blocks are disabled', () => {
       const { container } = render(
         <SandboxPlaceholder
           disableToolBlocks
@@ -35,25 +36,33 @@ describe('SandboxPlaceholder', () => {
         />,
       )
 
-      expect(screen.getByTestId('sandbox-placeholder-trans')).toHaveAttribute('data-i18n-key', 'promptEditor.placeholderSandboxNoTools')
-
-      const spans = container.querySelectorAll('span')
-      expect(spans).toHaveLength(2)
-      expect(spans[0]).toHaveClass('inline-flex', 'bg-components-kbd-bg-gray', 'system-kbd')
-      expect(spans[1]).toHaveClass('border-b', 'border-dotted', 'border-current')
+      expect(container).toHaveTextContent('Write instructions here, /insert')
+      expect(container.querySelector('.sandbox-placeholder-pair-insert')).toBeInTheDocument()
+      expect(container.querySelector('.sandbox-placeholder-pair-tools')).not.toBeInTheDocument()
+      expect(container.querySelector('.sandbox-placeholder-action-insert')).toHaveClass(
+        'pointer-events-auto',
+        'border-dotted',
+      )
     })
 
-    it('should render slash insert at and tools tokens when tool blocks are enabled', () => {
+    it('should render both insert and tools pairs with linked hover classes when tool blocks are enabled', () => {
       const { container } = render(<SandboxPlaceholder isSupportSandbox />)
 
-      expect(screen.getByTestId('sandbox-placeholder-trans')).toHaveAttribute('data-i18n-key', 'promptEditor.placeholderSandbox')
-
-      const spans = container.querySelectorAll('span')
-      expect(spans).toHaveLength(4)
-      expect(spans[0]).toHaveClass('inline-flex', 'bg-components-kbd-bg-gray', 'system-kbd')
-      expect(spans[1]).toHaveClass('border-b', 'border-dotted', 'border-current')
-      expect(spans[2]).toHaveClass('inline-flex', 'bg-components-kbd-bg-gray', 'system-kbd')
-      expect(spans[3]).toHaveClass('border-b', 'border-dotted', 'border-current')
+      expect(container).toHaveTextContent('Write instructions here, /insert, @tools')
+      expect(container.querySelector('.sandbox-placeholder-kbd-insert')).toHaveTextContent('/')
+      expect(container.querySelector('.sandbox-placeholder-kbd-tools')).toHaveTextContent('@')
+      expect(container.querySelector('.sandbox-placeholder-action-insert')).toHaveTextContent('insert')
+      expect(container.querySelector('.sandbox-placeholder-action-tools')).toHaveTextContent('tools')
+      expect(container.querySelector('.sandbox-placeholder-pair-insert')).toHaveClass(
+        'has-[.sandbox-placeholder-action-insert:hover]:[&_.sandbox-placeholder-kbd-insert]:bg-state-accent-hover-alt',
+        'has-[.sandbox-placeholder-action-insert:hover]:[&_.sandbox-placeholder-action-insert]:bg-state-accent-hover',
+        'has-[.sandbox-placeholder-action-insert:hover]:[&_.sandbox-placeholder-action-insert]:text-text-accent-secondary',
+      )
+      expect(container.querySelector('.sandbox-placeholder-pair-tools')).toHaveClass(
+        'has-[.sandbox-placeholder-action-tools:hover]:[&_.sandbox-placeholder-kbd-tools]:bg-state-accent-hover-alt',
+        'has-[.sandbox-placeholder-action-tools:hover]:[&_.sandbox-placeholder-action-tools]:bg-state-accent-hover',
+        'has-[.sandbox-placeholder-action-tools:hover]:[&_.sandbox-placeholder-action-tools]:text-text-accent-secondary',
+      )
     })
   })
 })
diff --git a/web/app/components/base/prompt-editor/sandbox-placeholder.tsx b/web/app/components/base/prompt-editor/sandbox-placeholder.tsx
index 5fb348bee0..4beab897af 100644
--- a/web/app/components/base/prompt-editor/sandbox-placeholder.tsx
+++ b/web/app/components/base/prompt-editor/sandbox-placeholder.tsx
@@ -1,22 +1,38 @@
-import type { FC, PropsWithChildren, ReactElement } from 'react'
-import { Trans } from 'react-i18next'
+import type { FC } from 'react'
+import { useTranslation } from 'react-i18next'
+import { cn } from '@/utils/classnames'
 
-type SandboxPlaceholderTokenProps = PropsWithChildren<{
-  variant: 'kbd' | 'action'
-}>
-
-const SandboxPlaceholderToken: FC<SandboxPlaceholderTokenProps> = ({ variant, children }) => {
-  if (variant === 'kbd') {
-    return (
-      <span className="inline-flex h-5 min-w-5 items-center justify-center rounded-[4px] bg-components-kbd-bg-gray px-1 text-text-tertiary system-kbd">
-        {children}
-      </span>
-    )
-  }
+type SandboxPlaceholderTokenProps = {
+  actionLabel?: string
+  shortcut: '/' | '@'
+}
 
+const SandboxPlaceholderToken: FC<SandboxPlaceholderTokenProps> = ({
+  actionLabel,
+  shortcut,
+}) => {
   return (
-    <span className="border-b border-dotted border-current">
-      {children}
+    <span
+      className={cn(
+        'inline-flex cursor-pointer items-center gap-1 text-text-tertiary hover:text-components-button-secondary-accent-text',
+        'group/placeholder-token',
+      )}
+    >
+      <span
+        className={cn(
+          'inline-flex h-5 min-w-5 items-center justify-center rounded-[4px] bg-components-kbd-bg-gray px-1 system-kbd',
+          'group-hover/placeholder-token:bg-components-button-secondary-accent-text-disabled',
+        )}
+      >
+        {shortcut}
+      </span>
+      <span
+        className={cn(
+          'pointer-events-auto border-b border-dotted border-current px-0.5 transition-colors',
+        )}
+      >
+        {actionLabel}
+      </span>
     </span>
   )
 }
@@ -30,27 +46,28 @@ const SandboxPlaceholder: FC<SandboxPlaceholderProps> = ({
   disableToolBlocks,
   isSupportSandbox,
 }) => {
+  const { t } = useTranslation()
+
   if (!isSupportSandbox)
     return null
 
-  const components: ReactElement[] = [
-    <SandboxPlaceholderToken key="slash" variant="kbd" />,
-    <SandboxPlaceholderToken key="insert" variant="action" />,
-  ]
-
-  if (!disableToolBlocks) {
-    components.push(
-      <SandboxPlaceholderToken key="at" variant="kbd" />,
-      <SandboxPlaceholderToken key="tools" variant="action" />,
-    )
-  }
-
   return (
-    <Trans
-      i18nKey={disableToolBlocks ? 'promptEditor.placeholderSandboxNoTools' : 'promptEditor.placeholderSandbox'}
-      ns="common"
-      components={components}
-    />
+    <span>
+      {t('promptEditor.placeholderSandboxPrefix', { ns: 'common' })}
+      <SandboxPlaceholderToken
+        shortcut="/"
+        actionLabel={t('promptEditor.placeholderSandboxInsert', { ns: 'common' })}
+      />
+      {!disableToolBlocks && (
+        <>
+          {t('promptEditor.placeholderSandboxSeparator', { ns: 'common' })}
+          <SandboxPlaceholderToken
+            shortcut="@"
+            actionLabel={t('promptEditor.placeholderSandboxTools', { ns: 'common' })}
+          />
+        </>
+      )}
+    </span>
   )
 }
 
diff --git a/web/i18n/en-US/common.json b/web/i18n/en-US/common.json
index 84d695b85d..6342957230 100644
--- a/web/i18n/en-US/common.json
+++ b/web/i18n/en-US/common.json
@@ -549,8 +549,10 @@
   "promptEditor.history.modal.title": "EXAMPLE",
   "promptEditor.history.modal.user": "Hello",
   "promptEditor.placeholder": "Write your prompt word here, enter '{' to insert a variable, enter '/' to insert a prompt content block",
-  "promptEditor.placeholderSandbox": "Write instructions here, <0>/</0> <1>insert</1>, <2>@</2> <3>tools</3>",
-  "promptEditor.placeholderSandboxNoTools": "Write instructions here, <0>/</0> <1>insert</1>",
+  "promptEditor.placeholderSandboxInsert": "insert",
+  "promptEditor.placeholderSandboxPrefix": "Write instructions here, ",
+  "promptEditor.placeholderSandboxSeparator": ", ",
+  "promptEditor.placeholderSandboxTools": "tools",
   "promptEditor.query.item.desc": "Insert user query template",
   "promptEditor.query.item.title": "Query",
   "promptEditor.requestURL.item.desc": "Insert request URL",
diff --git a/web/i18n/ja-JP/common.json b/web/i18n/ja-JP/common.json
index 92bbbfee7d..2c833bd9c1 100644
--- a/web/i18n/ja-JP/common.json
+++ b/web/i18n/ja-JP/common.json
@@ -534,8 +534,10 @@
   "promptEditor.history.modal.title": "例",
   "promptEditor.history.modal.user": "こんにちは",
   "promptEditor.placeholder": "ここにプロンプトワードを入力してください。変数を挿入するには「{」を、プロンプトコンテンツブロックを挿入するには「/」を入力します。",
-  "promptEditor.placeholderSandbox": "ここに指示を書いて、<0>/</0> <1>挿入</1>、<2>@</2> <3>ツール</3>",
-  "promptEditor.placeholderSandboxNoTools": "ここに指示を書いて、<0>/</0> <1>挿入</1>",
+  "promptEditor.placeholderSandboxInsert": "挿入",
+  "promptEditor.placeholderSandboxPrefix": "ここに指示を書いて、",
+  "promptEditor.placeholderSandboxSeparator": "、",
+  "promptEditor.placeholderSandboxTools": "ツール",
   "promptEditor.query.item.desc": "ユーザークエリテンプレートを挿入",
   "promptEditor.query.item.title": "クエリ",
   "promptEditor.requestURL.item.desc": "リクエストURLを挿入",
diff --git a/web/i18n/zh-Hans/common.json b/web/i18n/zh-Hans/common.json
index 392958686e..6357c0f6e3 100644
--- a/web/i18n/zh-Hans/common.json
+++ b/web/i18n/zh-Hans/common.json
@@ -549,8 +549,10 @@
   "promptEditor.history.modal.title": "示例",
   "promptEditor.history.modal.user": "你好",
   "promptEditor.placeholder": "在这里写你的提示词，输入'{' 插入变量、输入'/' 插入提示内容块",
-  "promptEditor.placeholderSandbox": "在这里写你的指令，<0>/</0> <1>插入</1>，<2>@</2> <3>工具</3>",
-  "promptEditor.placeholderSandboxNoTools": "在这里写你的指令，<0>/</0> <1>插入</1>",
+  "promptEditor.placeholderSandboxInsert": "插入",
+  "promptEditor.placeholderSandboxPrefix": "在这里写你的指令，",
+  "promptEditor.placeholderSandboxSeparator": "，",
+  "promptEditor.placeholderSandboxTools": "工具",
   "promptEditor.query.item.desc": "插入用户查询模板",
   "promptEditor.query.item.title": "查询内容",
   "promptEditor.requestURL.item.desc": "插入请求 URL",
diff --git a/web/i18n/zh-Hant/common.json b/web/i18n/zh-Hant/common.json
index 471bf3fa00..47fe026a07 100644
--- a/web/i18n/zh-Hant/common.json
+++ b/web/i18n/zh-Hant/common.json
@@ -509,8 +509,10 @@
   "promptEditor.history.modal.title": "示例",
   "promptEditor.history.modal.user": "你好",
   "promptEditor.placeholder": "在這裡寫你的提示詞，輸入'{' 插入變數、輸入'/' 插入提示內容塊",
-  "promptEditor.placeholderSandbox": "在這裡寫你的指令，<0>/</0> <1>插入</1>，<2>@</2> <3>工具</3>",
-  "promptEditor.placeholderSandboxNoTools": "在這裡寫你的指令，<0>/</0> <1>插入</1>",
+  "promptEditor.placeholderSandboxInsert": "插入",
+  "promptEditor.placeholderSandboxPrefix": "在這裡寫你的指令，",
+  "promptEditor.placeholderSandboxSeparator": "，",
+  "promptEditor.placeholderSandboxTools": "工具",
   "promptEditor.query.item.desc": "插入使用者查詢模板",
   "promptEditor.query.item.title": "查詢內容",
   "promptEditor.requestURL.item.desc": "插入請求 URL",