diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 41bd98d8..b98ca018 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -490,6 +490,10 @@ class ProjectTask extends AbstractModel
     public function updateTask($data, &$updateMarking = [])
     {
         AbstractModel::transaction(function () use ($data, &$updateMarking) {
+            // 判断版本
+            if (version_compare(Base::getClientVersion(), '0.6.0', '<')) {
+                throw new ApiException('当前版本过低');
+            }
             // 工作流
             if (Arr::exists($data, 'flow_item_id')) {
                 if ($this->flow_item_id == $data['flow_item_id']) {
diff --git a/app/Module/Base.php b/app/Module/Base.php
index ca4ff82f..d246835c 100755
--- a/app/Module/Base.php
+++ b/app/Module/Base.php
@@ -74,6 +74,19 @@ class Base
         });
     }
 
+    /**
+     * 获取客户端版本号
+     * @return string
+     */
+    public static function getClientVersion()
+    {
+        global $_A;
+        if (!isset($_A["__static_client_version"])) {
+            $_A["__static_client_version"] = Request::header('version') ?: '0.0.1';
+        }
+        return $_A["__static_client_version"];
+    }
+
     /**
      * 判断是否域名格式
      * @param $domain
diff --git a/resources/views/main.blade.php b/resources/views/main.blade.php
index 7838e5b6..2387982a 100755
--- a/resources/views/main.blade.php
+++ b/resources/views/main.blade.php
@@ -11,7 +11,7 @@
     <meta name="csrf-token" content="{{ csrf_token() }}">
     <title>{{ config('app.name', 'WebPage') }}</title>
     <link rel="shortcut icon" href="{{ asset_main('favicon.ico') }}">
-    <link rel="stylesheet" type="text/css" href="{{ mix('css/app.css') }}">
+    <link rel="stylesheet" type="text/css" href="{{ mix('css/app.css') }}?v={{ $version }}">
     <link rel="stylesheet" type="text/css" href="{{ asset_main('css/iview.css') }}">
     <script src="{{ asset_main('js/language.all.js') }}"></script>
     <script src="{{ asset_main('js/scroll-into-view.min.js') }}"></script>