diff --git a/demonamespace/src/Index/Ccc.php b/demonamespace/src/Index/Ccc.php
new file mode 100644
index 0000000000000000000000000000000000000000..ea453c78f7e49bddd007bd9585cc1a5927c37b82
--- /dev/null
+++ b/demonamespace/src/Index/Ccc.php
@@ -0,0 +1,8 @@
+<?php
+namespace Admin\Demophpunit\Index;
+
+class Ccc{
+    function Ccc() {
+        print("Cccccc11111");
+    }
+}
\ No newline at end of file
diff --git a/demonamespace/tests/DemoTest.php b/demonamespace/tests/DemoTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..2bed2486248b3c4135f34d476a2a30f045ae3970
--- /dev/null
+++ b/demonamespace/tests/DemoTest.php
@@ -0,0 +1,17 @@
+<?php
+use PHPUnit\Framework\TestCase;
+use Admin\Demophpunit\Index\Ccc;
+use function PHPUnit\Framework\assertNull;
+class DemoTest extends TestCase
+{
+    public function testAaa(){
+        $cc=new Ccc();
+        $cc->Ccc();
+        // print("aaaaaa");
+        // print("??????");
+        // print("cccccc");
+        // phpinfo();
+        $this->assertEmpty("","???");
+        
+    }
+}
diff --git a/demonamespace/tests/testAa.php b/demonamespace/tests/testAa.php
new file mode 100644
index 0000000000000000000000000000000000000000..b3d9bbc7f3711e882119cd6b3af051245d859d04
--- /dev/null
+++ b/demonamespace/tests/testAa.php
@@ -0,0 +1 @@
+<?php
diff --git a/demophpunit/src/Demo/Demo.php b/demophpunit/src/Demo/DemoAa.php
similarity index 78%
rename from demophpunit/src/Demo/Demo.php
rename to demophpunit/src/Demo/DemoAa.php
index 06ec395630bd02a8ba0838646440874ef94a9dee..3053535c571804e8b2dd5ee8b257b6d75730aa9c 100644
--- a/demophpunit/src/Demo/Demo.php
+++ b/demophpunit/src/Demo/DemoAa.php
@@ -3,6 +3,6 @@ namespace Admin\Demophpunit\Demo;
 class DemoAa
 {
     public function Aaa() {
-        print("Aaa");
+        print("Aaaaaa");
     }
 }
diff --git a/demophpunit/src/Demo/DemoBb.php b/demophpunit/src/Demo/DemoBb.php
new file mode 100644
index 0000000000000000000000000000000000000000..81c7d7c08b36a8fefcf5a7a8bdb881452b1e28d5
--- /dev/null
+++ b/demophpunit/src/Demo/DemoBb.php
@@ -0,0 +1,7 @@
+<?php
+namespace Admin\Demophpunit\Demo;
+class DemoBb{
+    function Bbb() {
+        print("Bbbbbbb");
+    }
+}
\ No newline at end of file
diff --git a/demophpunit/src/Index/Ccc.php b/demophpunit/src/Index/Ccc.php
new file mode 100644
index 0000000000000000000000000000000000000000..e5893002662350b0859ec25002d7323c4d14db51
--- /dev/null
+++ b/demophpunit/src/Index/Ccc.php
@@ -0,0 +1,8 @@
+<?php
+namespace Admin\Demophpunit\Index;
+
+class Ccc{
+    function Ccc() {
+        print("Cccccc22222");
+    }
+}
\ No newline at end of file
diff --git a/demophpunit/tests/DemoTest.php b/demophpunit/tests/DemoTest.php
index 490d0ced891de06b2684212dd42282502632c0ed..f73fc03de8881d9c6feef6801f2eaebe55f04e08 100644
--- a/demophpunit/tests/DemoTest.php
+++ b/demophpunit/tests/DemoTest.php
@@ -1,11 +1,19 @@
 <?php
 use PHPUnit\Framework\TestCase;
-
+use Admin\Demophpunit\Demo\DemoAa;
+use Admin\Demophpunit\Demo\DemoBb;
+use Admin\Demophpunit\Index\Ccc;
 use function PHPUnit\Framework\assertNull;
 
 class DemoTest extends TestCase
 {
     public function testAaa(){
+        $aa=new DemoAa();
+        $aa->Aaa();
+        $bb=new DemoBb;
+        $bb->Bbb();
+        $cc=new Ccc();
+        $cc->Ccc();
         print("aaaaaa");
         print("??????");
         print("cccccc");