diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
index ba635aeda..021db31f6 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
@@ -3,8 +3,8 @@ use super::model::{
 };
 use super::validation::validate_direct_codex_user_item;
 use crate::agent::{
-    read_manifest_for_project, sanitize_attachment_local_path, sanitize_attachment_media_type,
-    sanitize_attachment_name, GameCreationAppManifest,
+    sanitize_attachment_local_path, sanitize_attachment_media_type, sanitize_attachment_name,
+    GameCreationAppManifest,
 };
 use serde_json::Value;
 use std::path::Path;
@@ -103,8 +103,8 @@ pub(crate) fn direct_codex_user_item_to_wire_input(
     root: &Path,
     item: &DirectCodexUserItem,
 ) -> Result<Value, String> {
-    validate_direct_codex_user_item(root, item)?;
-    let manifest = read_manifest_for_project(root)?;
+    // validate 已经读过清单并返回它，不要再读一次（seed task 变更也会被重复触发）。
+    let manifest = validate_direct_codex_user_item(root, item)?;
     let DirectCodexUserItem::Message(message) = item;
     let mut input = Vec::with_capacity(message.content.len());
     for part in &message.content {