diff --git a/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.test.ts b/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.test.ts
index 04e1960b6..1fb0dd227 100644
--- a/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.test.ts
+++ b/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.test.ts
@@ -1,5 +1,6 @@
 import { describe, expect, it } from 'vitest';
 
+import { ApiClientError } from '../../../services/apiClient';
 import type { Model3dPricingConfig } from '../../../services/image-editor/editorProjectClient';
 import type {
   CharacterReferenceImage,
@@ -478,7 +479,11 @@ describe('resolveModel3dGenerationErrorMessage', () => {
   it('服务端给的文案原样透出', () => {
     expect(
       resolveModel3dGenerationErrorMessage(
-        new Error('3D 生成服务当前限流，请稍后重试。'),
+        new ApiClientError({
+          message: '3D 生成服务当前限流，请稍后重试。',
+          status: 429,
+          code: 'tripo-api-rate-limited',
+        }),
       ),
     ).toBe('3D 生成服务当前限流，请稍后重试。');
     expect(resolveModel3dGenerationErrorMessage('落点不可用')).toBe(
@@ -486,6 +491,20 @@ describe('resolveModel3dGenerationErrorMessage', () => {
     );
   });
 
+  it('非服务端来源的错误不把技术文案透给用户', () => {
+    // 2xx 但 body 不是 JSON 时 requestJson 抛的是原生 SyntaxError。
+    expect(
+      resolveModel3dGenerationErrorMessage(
+        new SyntaxError('Unexpected token < in JSON at position 0'),
+      ),
+    ).toBe(MODEL3D_GENERATION_FAILURE_MESSAGE);
+    expect(
+      resolveModel3dGenerationErrorMessage(
+        new TypeError("Cannot read properties of undefined (reading 'ok')"),
+      ),
+    ).toBe(MODEL3D_GENERATION_FAILURE_MESSAGE);
+  });
+
   it('传输层英文技术文案换成中文兜底', () => {
     expect(
       resolveModel3dGenerationErrorMessage(new TypeError('Failed to fetch')),
diff --git a/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.ts b/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.ts
index 4a79d1940..669d8e48d 100644
--- a/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.ts
+++ b/src/components/image-editor/model3d-generation/Model3dGenerationSubmission.ts
@@ -4,7 +4,11 @@ import type {
   Model3dImageToModelRequest,
   Model3dTextToModelRequest,
 } from '../../../../packages/shared/src/contracts/model3d';
-import { isAbortError, isTimeoutError } from '../../../services/apiClient';
+import {
+  ApiClientError,
+  isAbortError,
+  isTimeoutError,
+} from '../../../services/apiClient';
 import type {
   EditorCanvasGenerationCompletionInput,
   Model3dGenerationSubmissionResponse,
@@ -307,7 +311,9 @@ export function resolveModel3dGenerationErrorMessage(error: unknown): string {
   if (isAbortError(error) || isFetchFailureError(error)) {
     return MODEL3D_GENERATION_FAILURE_MESSAGE;
   }
-  if (error instanceof Error && error.message.trim()) {
+  // 只有 ApiClientError 的 message 是按服务端响应拼出来的；`JSON.parse` 失败的 SyntaxError
+  // 或其它运行时 TypeError 的 message 是英文技术文案，同样不能当用户提示。
+  if (error instanceof ApiClientError && error.message.trim()) {
     return error.message.trim();
   }
   if (typeof error === 'string' && error.trim()) {
diff --git a/src/components/image-editor/model3d-generation/useModel3dGenerationTask.test.tsx b/src/components/image-editor/model3d-generation/useModel3dGenerationTask.test.tsx
index 59ddc6ac3..b2398bb0e 100644
--- a/src/components/image-editor/model3d-generation/useModel3dGenerationTask.test.tsx
+++ b/src/components/image-editor/model3d-generation/useModel3dGenerationTask.test.tsx
@@ -5,6 +5,7 @@ import { useState } from 'react';
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import type { ExternalGenerationJobStatusRecord } from '../../../../packages/shared/src/contracts/externalGeneration';
+import { ApiClientError } from '../../../services/apiClient';
 import type {
   EditorCanvasGenerationCompletionInput,
   Model3dGenerationSubmissionResponse,
@@ -256,7 +257,11 @@ describe('useModel3dGenerationTask', () => {
 
   it('请求失败时留在面板上展示失败原因', async () => {
     submitModel3dTextToModelRequestMock.mockRejectedValue(
-      new Error('3D 模型生成失败，请稍后重试。'),
+      new ApiClientError({
+        message: '3D 模型生成失败，请稍后重试。',
+        status: 502,
+        code: 'tripo-upstream-error',
+      }),
     );
     const { result } = renderTask({ dialog: createDialog() });