diff --git a/src/services/image-editor/editorProjectClient.ts b/src/services/image-editor/editorProjectClient.ts
index 9682c53fb..9f463d45c 100644
--- a/src/services/image-editor/editorProjectClient.ts
+++ b/src/services/image-editor/editorProjectClient.ts
@@ -721,6 +721,12 @@ export type EditorGenerationModelPricing = {
 
 export type Model3dPricingEndpoint = 'text-to-model' | 'image-to-model';
 
+/** endpoint 到提交地址的穷尽映射：新增 endpoint 时这里会缺键并报编译错误。 */
+const EDITOR_MODEL3D_ENDPOINT_API: Record<Model3dPricingEndpoint, string> = {
+  'text-to-model': EDITOR_MODEL3D_TEXT_TO_MODEL_API,
+  'image-to-model': EDITOR_MODEL3D_IMAGE_TO_MODEL_API,
+};
+
 export type Model3dAddOnPriceKey =
   | 'hdTexture'
   | 'ultraTexture'
@@ -1740,9 +1746,7 @@ export async function submitModel3dGenerationRequest({
   idempotencyKey: string;
 }) {
   return requestJson<Model3dGenerationSubmissionResponse>(
-    endpoint === 'image-to-model'
-      ? EDITOR_MODEL3D_IMAGE_TO_MODEL_API
-      : EDITOR_MODEL3D_TEXT_TO_MODEL_API,
+    EDITOR_MODEL3D_ENDPOINT_API[endpoint],
     {
       method: 'POST',
       headers: {