diff --git a/desktop/src/components/chat/AssistantMessage.linkrouting.test.tsx b/desktop/src/components/chat/AssistantMessage.linkrouting.test.tsx
index 93d2c808..a192775f 100644
--- a/desktop/src/components/chat/AssistantMessage.linkrouting.test.tsx
+++ b/desktop/src/components/chat/AssistantMessage.linkrouting.test.tsx
@@ -80,6 +80,24 @@ describe('AssistantMessage output-target cards', () => {
     expect(screen.getByText('assistantOutputs.kind.localhost')).toBeInTheDocument()
   })
 
+  it('does NOT render a localhost card for URLs shown inside a log code block', () => {
+    render(
+      <AssistantMessage
+        sessionId="s1"
+        content={[
+          '日志前 50 行：',
+          '```log',
+          '[08:29:36][INFO] 代理服务已启动: 127.0.0.1:15721',
+          '[08:29:36][INFO] Claude Live 配置已接管，代理地址: http://127.0.0.1:15721',
+          '```',
+        ].join('\n')}
+        isStreaming={false}
+      />,
+    )
+
+    expect(screen.queryByText('assistantOutputs.kind.localhost')).toBeNull()
+  })
+
   it('renders a card for a markdown link with its Markdown badge', () => {
     render(
       <AssistantMessage
diff --git a/desktop/src/lib/assistantOutputTargets.test.ts b/desktop/src/lib/assistantOutputTargets.test.ts
index bee1250f..3d65e3a7 100644
--- a/desktop/src/lib/assistantOutputTargets.test.ts
+++ b/desktop/src/lib/assistantOutputTargets.test.ts
@@ -122,6 +122,30 @@ describe('extractAssistantOutputTargets', () => {
     ])
   })
 
+  it('ignores localhost URLs printed inside fenced log output', () => {
+    const targets = extractAssistantOutputTargets(
+      [
+        '日志前 50 行：',
+        '```log',
+        '[08:29:36][INFO] 代理服务已启动: 127.0.0.1:15721',
+        '[08:29:36][INFO] Claude Live 配置已接管，代理地址: http://127.0.0.1:15721',
+        '```',
+      ].join('\n'),
+      { workDir },
+    )
+
+    expect(targets).toEqual([])
+  })
+
+  it('ignores markdown links printed inside fenced code blocks', () => {
+    const targets = extractAssistantOutputTargets(
+      ['```md', '调试输出: [preview](http://localhost:5173/) [page](index.html)', '```'].join('\n'),
+      { workDir },
+    )
+
+    expect(targets).toEqual([])
+  })
+
   it('keeps markdown localhost links as markdown-link targets with authored labels', () => {
     const targets = extractAssistantOutputTargets(
       '[Preview](http://localhost:4173) then http://localhost:4173',
diff --git a/desktop/src/lib/assistantOutputTargets.ts b/desktop/src/lib/assistantOutputTargets.ts
index 30fd4754..7ac3d578 100644
--- a/desktop/src/lib/assistantOutputTargets.ts
+++ b/desktop/src/lib/assistantOutputTargets.ts
@@ -105,6 +105,10 @@ export function extractAssistantOutputTargets(
     const localhostTarget = toLocalhostTarget(href)
     const fileTarget = toWorkspaceFileTarget(href, workDir)
 
+    if (isInCodeBlock(match.start, codeBlocks)) {
+      continue
+    }
+
     if (!title) {
       continue
     }
@@ -144,6 +148,10 @@ export function extractAssistantOutputTargets(
       continue
     }
 
+    if (isInCodeBlock(position, codeBlocks)) {
+      continue
+    }
+
     const href = trimTrailingPunctuation(match[0] ?? '')
 
     if (!href) {