diff --git a/docs/technical/【技术方案】Raw GPT Image 2图片编辑代理-2026-09-07.md b/docs/technical/【技术方案】Raw GPT Image 2图片编辑代理-2026-09-07.md
index 4c319b003..f8696987b 100644
--- a/docs/technical/【技术方案】Raw GPT Image 2图片编辑代理-2026-09-07.md	
+++ b/docs/technical/【技术方案】Raw GPT Image 2图片编辑代理-2026-09-07.md	
@@ -35,7 +35,7 @@ POST /api/raw/v1/images/edit
 }
 ```
 
-`image` 是必填的单图结构 `{ data, mimeType }`；`mask` 可选并使用相同结构。`image` 和 `mask` 的 `mimeType` 必须为 `image/png`，base64 解码后必须是可完整解码的有效 PNG 文件，提供 mask 时其宽高必须与 image 完全一致；空数据、非 PNG 字节、MIME 不匹配或尺寸不一致均在扣费前返回 400。服务端不把输入格式另建成请求参数。`prompt` 必填，UTF-8 原始字节长度不得超过 `16 KiB`；超限在扣费前返回 400。`quality`、`background` 和 `output_format` 采用 GPT Image 模型支持的值。
+`image` 是必填的单图结构 `{ data, mimeType }`；`mask` 可选并使用相同结构。`image` 和 `mask` 的 `mimeType` 必须为 `image/png`，base64 解码后必须是可完整解码的有效 PNG 文件，提供 mask 时其宽高必须与 image 完全一致；空数据、非 PNG 字节、MIME 不匹配或尺寸不一致均在扣费前返回 400。服务端不把输入格式另建成请求参数。`prompt` 必填，UTF-8 原始字节长度不得超过 `4 KiB`；超限在扣费前返回 400。`quality`、`background` 和 `output_format` 采用 GPT Image 模型支持的值。
 
 `width`、`height` 使用严格输出尺寸规则，均在扣费前校验：
 
diff --git a/server-rs/crates/api-server/src/raw_image.rs b/server-rs/crates/api-server/src/raw_image.rs
index 1c46e7fbc..9dc066ae1 100644
--- a/server-rs/crates/api-server/src/raw_image.rs
+++ b/server-rs/crates/api-server/src/raw_image.rs
@@ -59,7 +59,7 @@ pub(crate) struct RawImageEditResponse {
     pub(crate) data: Vec<RawImageEditItem>,
 }
 
-const RAW_IMAGE_MAX_PROMPT_BYTES: usize = 16 * 1024;
+const RAW_IMAGE_MAX_PROMPT_BYTES: usize = 4 * 1024;
 
 pub(crate) async fn edit_raw_image(
     State(state): State<AppState>,
@@ -109,7 +109,6 @@ pub(crate) async fn edit_raw_image(
                 return Err(map_platform_image_error(error));
             }
         };
-        let task_id = generated.task_id.clone();
         let data: Vec<RawImageEditItem> = generated
             .b64_images
             .into_iter()
@@ -125,7 +124,7 @@ pub(crate) async fn edit_raw_image(
                 started_at_micros,
                 true,
                 None,
-                Some(task_id),
+                Some("raw-image-edit".to_string()),
                 Some(json!({ "imageCount": data.len() })),
             )
             .await;
@@ -452,6 +451,6 @@ mod tests {
             Err(error) => error,
         };
 
-        assert!(format!("{error:?}").contains("prompt 不能超过 16384 字节"));
+        assert!(format!("{error:?}").contains("prompt 不能超过 4096 字节"));
     }
 }
diff --git a/server-rs/crates/platform-image/src/vector_engine/raw_edit.rs b/server-rs/crates/platform-image/src/vector_engine/raw_edit.rs
index 13f41e7e6..77c386322 100644
--- a/server-rs/crates/platform-image/src/vector_engine/raw_edit.rs
+++ b/server-rs/crates/platform-image/src/vector_engine/raw_edit.rs
@@ -28,13 +28,12 @@ pub struct RawImageEditOptions {
 
 #[derive(Debug, Deserialize)]
 struct RawImageEditResponsePayload {
-    id: Option<String>,
-    data: Option<Vec<RawImageEditResponseEntry>>,
+    data: Vec<RawImageEditResponseEntry>,
 }
 
 #[derive(Debug, Deserialize)]
 struct RawImageEditResponseEntry {
-    b64_json: Option<String>,
+    b64_json: String,
 }
 
 pub const RAW_IMAGE_MAX_EDGE: u32 = GPT_IMAGE_2_MAX_EDGE;
@@ -262,9 +261,8 @@ pub async fn create_vector_engine_raw_image_edit(
     };
     let b64_images = payload
         .data
-        .unwrap_or_default()
         .into_iter()
-        .filter_map(|entry| entry.b64_json)
+        .map(|entry| entry.b64_json)
         .collect::<Vec<_>>();
     if b64_images.is_empty() {
         let message = format!("{failure_context}：上游未返回 b64_json 图片");
@@ -291,7 +289,6 @@ pub async fn create_vector_engine_raw_image_edit(
         });
     }
     Ok(RawImageEditResult {
-        task_id: payload.id.unwrap_or_else(|| "raw-image-edit".to_string()),
         b64_images,
         recovered_failure_audits: Vec::new(),
     })
@@ -387,7 +384,6 @@ fn status_class(status: u16) -> &'static str {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use serde_json::json;
 
     #[test]
     fn raw_result_forwards_b64_without_decoding_or_using_output_format() {
@@ -401,14 +397,19 @@ mod tests {
         assert_eq!(
             payload
                 .data
-                .unwrap_or_default()
                 .into_iter()
-                .filter_map(|entry| entry.b64_json)
+                .map(|entry| entry.b64_json)
                 .collect::<Vec<_>>(),
             vec!["not-base64-but-forwarded".to_string()]
         );
     }
 
+    #[test]
+    fn raw_success_response_requires_typed_data_and_b64_json_fields() {
+        assert!(serde_json::from_str::<RawImageEditResponsePayload>(r#"{}"#).is_err());
+        assert!(serde_json::from_str::<RawImageEditResponsePayload>(r#"{"data":[{}]}"#).is_err());
+    }
+
     #[test]
     fn raw_image_edit_dimensions_enforce_strict_contract() {
         assert!(validate_raw_image_edit_dimensions(1024, 640).is_ok());
diff --git a/server-rs/crates/platform-image/src/vector_engine/types.rs b/server-rs/crates/platform-image/src/vector_engine/types.rs
index 82a69bb4a..d25ad5c12 100644
--- a/server-rs/crates/platform-image/src/vector_engine/types.rs
+++ b/server-rs/crates/platform-image/src/vector_engine/types.rs
@@ -18,7 +18,6 @@ pub struct GeneratedImages {
 
 #[derive(Clone, Debug)]
 pub struct RawImageEditResult {
-    pub task_id: String,
     pub b64_images: Vec<String>,
     pub recovered_failure_audits: Vec<PlatformImageFailureAudit>,
 }