diff --git a/xerror/xerror_example_test.go b/xerror/xerror_example_test.go
index 1c4ebbd..a936fe0 100644
--- a/xerror/xerror_example_test.go
+++ b/xerror/xerror_example_test.go
@@ -61,7 +61,7 @@ func ExampleXError_StackTrace() {
 
 	// Output:
 	// github.com/duke-git/lancet/v2/xerror.ExampleXError_StackTrace
-	// 49
+	// 52
 	// true
 }