diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/claude_code_cli.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/claude_code_cli.rs
index cb7d67b89..d708d436a 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/claude_code_cli.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/claude_code_cli.rs
@@ -458,7 +458,14 @@ fn configure_claude_code_environment(
             && std::env::var_os("ANTHROPIC_API_KEY").is_none()
             && std::env::var_os("ANTHROPIC_AUTH_TOKEN").is_none()
         {
-            command.env("ANTHROPIC_AUTH_TOKEN", llm.api_key.trim());
+            if llm.custom_enabled {
+                // 自定义 Claude 兼容端点用 Anthropic 规范的 `x-api-key`：Claude Code 只在
+                // `ANTHROPIC_API_KEY` 下发这个头（`ANTHROPIC_AUTH_TOKEN` 会发 Bearer，实测
+                // Router 的 `/v1/messages` 对 Bearer 会挂住不返回）。
+                command.env("ANTHROPIC_API_KEY", llm.api_key.trim());
+            } else {
+                command.env("ANTHROPIC_AUTH_TOKEN", llm.api_key.trim());
+            }
         }
         // Official AGC model entries use the account session rather than a
         // user-supplied API key.  The Claude SDK only reads Anthropic auth