diff --git a/server-rs/crates/api-server/src/tripo3d/errors.rs b/server-rs/crates/api-server/src/tripo3d/errors.rs
index 48bb71169..bb669088e 100644
--- a/server-rs/crates/api-server/src/tripo3d/errors.rs
+++ b/server-rs/crates/api-server/src/tripo3d/errors.rs
@@ -40,7 +40,10 @@ pub(crate) fn map_pricing_error(error: Model3dPricingError) -> AppError {
 /// 定价快照本身读取失败属于服务端问题，与“3D 定价未配置”分开报。
 pub(crate) fn map_pricing_store_error(error: EditorGenerationPricingError) -> AppError {
     AppError::from_status(StatusCode::INTERNAL_SERVER_ERROR).with_details(json!({
+        // provider 沿用全仓库定价错误的既有口径（`character_animation_assets`、
+        // `editor_agent::api` 同样写 editor-generation-pricing），不改成 TRIPO_PROVIDER。
         "provider": "editor-generation-pricing",
+        "reason": "model3d-pricing-store-error",
         "message": error.to_string(),
     }))
 }