diff --git a/packages/app-shell/src/layout/ConsoleFloatingChatbot.tsx b/packages/app-shell/src/layout/ConsoleFloatingChatbot.tsx
index 760ef35b0..72c698740 100644
--- a/packages/app-shell/src/layout/ConsoleFloatingChatbot.tsx
+++ b/packages/app-shell/src/layout/ConsoleFloatingChatbot.tsx
@@ -141,8 +141,12 @@ function buildChatLocale(
       planApprove: '开始搭建',
       planAdjust: '调整方案',
       planBuilt: '已搭建',
-      planApproveMessage: '就按这个方案搭建吧。',
-      planApproveDefaultsMessage: '就按你的合理假设直接搭建，未决问题用默认即可。',
+      // These messages the button SENDS must match the cloud confirm gate's
+      // APPROVAL_RE (service-ai-studio confirm-gate.ts) or the agent re-proposes
+      // and "开始搭建" looks inert — the gate anchors Chinese approval on 确认 /
+      // 直接搭建, so a bare "…搭建吧" does NOT match. Keep these 确认-anchored.
+      planApproveMessage: '确认，开始搭建。',
+      planApproveDefaultsMessage: '确认搭建，未决问题按你的合理假设和默认处理。',
       planAnswer: (question: string, option: string) => `关于「${question}」，我选择「${option}」。`,
       publishOk: '已发布，对象已生效。',
       publishFailed: '发布失败',
diff --git a/packages/i18n/src/__tests__/i18n.test.ts b/packages/i18n/src/__tests__/i18n.test.ts
index bde52a420..00cb38f9f 100644
--- a/packages/i18n/src/__tests__/i18n.test.ts
+++ b/packages/i18n/src/__tests__/i18n.test.ts
@@ -93,11 +93,26 @@ describe('@object-ui/i18n', () => {
       expect(i18n.t('console.ai.planApproveHint')).toBe('回复以确认或调整该方案。');
       expect(i18n.t('console.ai.planApprove')).toBe('开始搭建');
       expect(i18n.t('console.ai.planAdjust')).toBe('调整方案');
-      expect(i18n.t('console.ai.planApproveMessage')).toBe('就按这个方案搭建吧。');
-      expect(i18n.t('console.ai.planApproveDefaultsMessage')).toBe('就按你的合理假设直接搭建，未决问题用默认即可。');
+      expect(i18n.t('console.ai.planApproveMessage')).toBe('确认，开始搭建。');
+      expect(i18n.t('console.ai.planApproveDefaultsMessage')).toBe('确认搭建，未决问题按你的合理假设和默认处理。');
       expect(i18n.t('console.ai.nextSteps')).toBe('下一步');
     });
 
+    // Regression guard: the "开始搭建" button SENDS these two messages, and the
+    // cloud confirm gate (service-ai-studio confirm-gate.ts APPROVAL_RE) only
+    // treats Chinese text as approval when it is 确认-anchored (e.g. "确认搭建").
+    // A bare "…搭建吧" silently fails the gate → the agent re-proposes and the
+    // button looks inert. Keep both messages matching the gate's 确认 anchor.
+    it('AI plan-approve messages stay anchored on the confirm gate keyword (确认)', () => {
+      const i18n = createI18n({ defaultLanguage: 'zh', detectBrowserLanguage: false });
+      // Mirror of the cloud APPROVAL_RE Chinese clause (confirm-gate.ts). Kept
+      // narrow on purpose: a plain build REQUEST ("帮我搭建一个 CRM") must NOT match.
+      const gate = /确认[，,、]?\s*(开始|可以|并|要)?\s*(搭建|创建|生成|构建|修改|应用)|直接搭建/;
+      expect(i18n.t('console.ai.planApproveMessage')).toMatch(gate);
+      expect(i18n.t('console.ai.planApproveDefaultsMessage')).toMatch(gate);
+      expect('帮我搭建一个 CRM').not.toMatch(gate);
+    });
+
     it('translates common keys in Japanese', () => {
       const i18n = createI18n({ defaultLanguage: 'ja', detectBrowserLanguage: false });
       expect(i18n.t('common.save')).toBe('保存');
diff --git a/packages/i18n/src/locales/zh.ts b/packages/i18n/src/locales/zh.ts
index cc245d7c4..a59faf191 100644
--- a/packages/i18n/src/locales/zh.ts
+++ b/packages/i18n/src/locales/zh.ts
@@ -1172,8 +1172,13 @@ const zh = {
       planApproveHint: '回复以确认或调整该方案。',
       planApprove: '开始搭建',
       planAdjust: '调整方案',
-      planApproveMessage: '就按这个方案搭建吧。',
-      planApproveDefaultsMessage: '就按你的合理假设直接搭建，未决问题用默认即可。',
+      // The two messages the "开始搭建" button SENDS (not the label above) must
+      // match the cloud confirm gate's APPROVAL_RE (service-ai-studio
+      // confirm-gate.ts), or the agent re-proposes instead of building and the
+      // button looks inert. The gate anchors Chinese approval on 确认 (or
+      // 直接搭建) — a bare "…搭建吧" does NOT match. Keep these 确认-anchored.
+      planApproveMessage: '确认，开始搭建。',
+      planApproveDefaultsMessage: '确认搭建，未决问题按你的合理假设和默认处理。',
       planAnswerMessage: '关于「{{question}}」，我选择「{{option}}」。',
       justNow: '刚刚',
       minutesAgo: '{{count}} 分钟前',