diff --git a/tests/core/config.test.ts b/tests/core/config.test.ts
index eb770e3..7d719c3 100644
--- a/tests/core/config.test.ts
+++ b/tests/core/config.test.ts
@@ -100,6 +100,6 @@ describe("loadConfig", () => {
 
 describe("getRuneDir", () => {
   it("返回 .rune 目录路径", () => {
-    expect(getRuneDir("/project")).toBe("/project/.rune");
+    expect(getRuneDir("/project")).toBe(join("/project", ".rune"));
   });
 });