diff --git a/module/testreport/control.php b/module/testreport/control.php
index 1971dd3237..242900b034 100644
--- a/module/testreport/control.php
+++ b/module/testreport/control.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * The control file of testreport of ZenTaoPMS.
  *
diff --git a/module/testreport/model.php b/module/testreport/model.php
index 8009759c9b..ad901c67a8 100644
--- a/module/testreport/model.php
+++ b/module/testreport/model.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 /**
  * The model file of testreport module of ZenTaoCMS.
  *
diff --git a/module/testreport/test/testreport.class.php b/module/testreport/test/testreport.class.php
index 227ff7a8c3..569bc9fab6 100644
--- a/module/testreport/test/testreport.class.php
+++ b/module/testreport/test/testreport.class.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 class testreportTest
 {
     public function __construct()