diff --git a/tests/FunctionTest.php b/tests/FunctionTest.php
index aa437f4..dc36f90 100644
--- a/tests/FunctionTest.php
+++ b/tests/FunctionTest.php
@@ -13,7 +13,12 @@ use Yansongda\Supports\Str;
 
 class FunctionTest extends TestCase
 {
-    protected function tearDown (): void
+    protected function setUp(): void
+    {
+        Pay::clear();
+    }
+
+    protected function tearDown(): void
     {
         Pay::clear();
     }
diff --git a/tests/PayTest.php b/tests/PayTest.php
index c1d2bc3..a1e90fc 100644
--- a/tests/PayTest.php
+++ b/tests/PayTest.php
@@ -21,6 +21,11 @@ use Yansongda\Supports\Pipeline;
 
 class PayTest extends TestCase
 {
+    protected function setUp(): void
+    {
+        Pay::clear();
+    }
+
     protected function tearDown(): void
     {
         Pay::clear();