diff --git a/packages/rpa-core/test/capabilities/compat-audit.test.ts b/packages/rpa-core/test/capabilities/compat-audit.test.ts
index 999ed40..0fa8906 100644
--- a/packages/rpa-core/test/capabilities/compat-audit.test.ts
+++ b/packages/rpa-core/test/capabilities/compat-audit.test.ts
@@ -1,7 +1,8 @@
 import { describe, it } from "vitest";
 import { capabilityIds } from "../../src/engine/registry";
-import { writeFileSync } from "node:fs";
-import { readFileSync } from "node:fs";
+import { writeFileSync, readFileSync } from "node:fs";
+import os from "node:os";
+import path from "node:path";
 import "../../src/capabilities/index"; // 汇总导入全部能力模块（与运行时同构）
 
 interface CatalogComp {
@@ -70,6 +71,7 @@ describe("系统组件兼容性全量审查", () => {
       fieldIssues: fieldIssues.slice(0, 40),
       fieldIssueCount: fieldIssues.length
     };
-    writeFileSync(".compat-report.txt", JSON.stringify(report, null, 1), "utf8");
+    // 报告写系统临时目录：不得污染仓库工作树（对面 CI 门禁要求干净树）
+    writeFileSync(path.join(os.tmpdir(), ".compat-report.txt"), JSON.stringify(report, null, 1), "utf8");
   }, 120000);
 });