diff --git a/module/extension/control.php b/module/extension/control.php
index a970974539..20e987df9e 100644
--- a/module/extension/control.php
+++ b/module/extension/control.php
@@ -235,7 +235,7 @@ class extension extends control
         }
 
         $this->extension->togglePackageDisable($extension, 'active');
-        $this->extension->copyPackageFiles($extension);
+        $this->extensionZen->copyPackageFiles($extension);
         $this->extension->updateExtension($extension, array('status' => 'installed'));
 
         $this->view->title = $this->lang->extension->activateFinished;
diff --git a/module/extension/model.php b/module/extension/model.php
index 8166e3b10f..013ec31ecd 100644
--- a/module/extension/model.php
+++ b/module/extension/model.php
@@ -397,36 +397,6 @@ class extensionModel extends model
         return false;
     }
 
-    /**
-     * Copy package files.
-     *
-     * @param  int    $extension
-     * @access public
-     * @return array
-     */
-    public function copyPackageFiles($extension)
-    {
-        $appRoot      = $this->app->getAppRoot();
-        $extensionDir = $this->pkgRoot . $extension . DS;
-        $paths        = scandir($extensionDir);
-        $copiedFiles  = array();
-
-        foreach($paths as $path)
-        {
-            if($path == 'db' or $path == 'doc' or $path == 'hook' or $path == '..' or $path == '.') continue;
-
-            $result      = $this->classFile->copyDir($extensionDir . $path, $appRoot . $path, true);
-            $copiedFiles = zget($result, 'copiedFiles', array());
-        }
-
-        foreach($copiedFiles as $key => $copiedFile)
-        {
-            $copiedFiles[$copiedFile] = md5_file($copiedFile);
-            unset($copiedFiles[$key]);
-        }
-        return $copiedFiles;
-    }
-
     /**
      * Remove an extension.
      *
diff --git a/module/extension/zen.php b/module/extension/zen.php
index 60afd34d1f..daec303eeb 100644
--- a/module/extension/zen.php
+++ b/module/extension/zen.php
@@ -244,7 +244,7 @@ class extensionZen extends extension
         $this->extension->saveExtension($extension, $type);
 
         /* Copy files to target directory. */
-        $this->view->files = $this->extension->copyPackageFiles($extension);
+        $this->view->files = $this->copyPackageFiles($extension);
 
         /* Judge need execute db install or not. */
         $data = new stdclass();
@@ -457,4 +457,34 @@ class extensionZen extends extension
 
         return $return;
     }
+
+    /**
+     * 复制插件包文件到禅道目录。
+     * Copy package files.
+     *
+     * @param  string $extension
+     * @access public
+     * @return array
+     */
+    public function copyPackageFiles(string $extension): array
+    {
+        $appRoot      = $this->app->getAppRoot();
+        $extensionDir = $this->extension->pkgRoot . $extension . DS;
+        $paths        = scandir($extensionDir);
+        $copiedFiles  = array();
+        foreach($paths as $path)
+        {
+            if($path == 'db' || $path == 'doc' || $path == 'hook' || $path == '..' || $path == '.') continue;
+
+            $result      = $this->extension->classFile->copyDir($extensionDir . $path, $appRoot . $path, true);
+            $copiedFiles = zget($result, 'copiedFiles', array());
+        }
+
+        foreach($copiedFiles as $key => $copiedFile)
+        {
+            $copiedFiles[$copiedFile] = md5_file($copiedFile);
+            unset($copiedFiles[$key]);
+        }
+        return $copiedFiles;
+    }
 }