diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/codex_cli.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/codex_cli.rs
index e0ba84d09..707e5e29a 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/codex_cli.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/codex_cli.rs
@@ -203,12 +203,51 @@ pub(in crate::agent) fn game_creator_codex_cli_version_at(
     Ok(version.to_string())
 }
 
+/// 开发态允许从宿主 PATH 里找到 Codex，但宿主必须持有可锚定的绝对文件：
+/// 裸命令名按 PATH 解析成真实路径，否则 `bind_codex_executor` 的 canonicalize 会按 CWD 解析并失败。
+/// 发行构建不走这段，候选顺序、校验与返回值都与原先一致（打包环境用内置侧车/npm 绝对路径）。
+#[cfg(debug_assertions)]
+fn anchor_codex_cli_executable_candidate(
+    candidate: &Path,
+    path: Option<&std::ffi::OsStr>,
+) -> Option<PathBuf> {
+    let is_bare_command_name = candidate
+        .parent()
+        .is_some_and(|parent| parent.as_os_str().is_empty());
+    if !is_bare_command_name {
+        return candidate.is_file().then(|| candidate.to_path_buf());
+    }
+    let name = candidate.as_os_str();
+    for directory in path.into_iter().flat_map(std::env::split_paths) {
+        if directory.as_os_str().is_empty() {
+            continue;
+        }
+        let target = directory.join(name);
+        if target.is_file() {
+            // 第一个实际命中的项就是 OS 会执行的项；锚定失败时不再从 PATH 里换另一个。
+            return target.canonicalize().ok();
+        }
+    }
+    None
+}
+
 pub(crate) fn game_creator_codex_cli_executable_path() -> Result<PathBuf, String> {
     let mut last_error = None;
     let mut seen = std::collections::HashSet::new();
     let bundled =
         game_creator_bundled_codex_cli_path(game_creator_bundled_resource_dir().as_deref());
     for candidate in game_creator_codex_cli_executable_candidates() {
+        #[cfg(debug_assertions)]
+        let candidate = match anchor_codex_cli_executable_candidate(
+            &candidate,
+            std::env::var_os("PATH").as_deref(),
+        ) {
+            Some(candidate) => candidate,
+            None => {
+                last_error = Some("候选执行器不是可锚定的文件".to_string());
+                continue;
+            }
+        };
         let identity = candidate.to_string_lossy().to_ascii_lowercase();
         if !seen.insert(identity) {
             continue;