1

server-rs/crates/api-server/src/openai_image_generation.rs

@@ -177,6 +177,7 @@ pub(crate) fn build_openai_image_request_body(
             Value::String(build_prompt_with_negative(prompt, negative_prompt)),
         ),
         ("n".to_string(), json!(candidate_count.clamp(1, 4))),
+        ("official_fallback".to_string(), Value::Bool(true)),
         (
             "size".to_string(),
             Value::String(normalize_image_size(size)),
@@ -613,6 +614,7 @@ mod tests {
         assert_eq!(body["model"], GPT_IMAGE_2_MODEL);
         assert_eq!(body["size"], "16:9");
         assert_eq!(body["n"], 2);
+        assert_eq!(body["official_fallback"], true);
         assert_eq!(body["image_urls"][0], "data:image/png;base64,abcd");
         assert!(body["prompt"].as_str().unwrap_or_default().contains("避免"));
     }