diff --git a/src/Models/DzqModel.php b/src/Models/DzqModel.php
new file mode 100644
index 0000000000000000000000000000000000000000..6ce7bd5b41f8f2017687adaee3228b4284b9222b
--- /dev/null
+++ b/src/Models/DzqModel.php
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Copyright (C) 2020 Tencent Cloud.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Discuz\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class DzqModel extends Model
+{
+    private static $instance;
+    protected function __clone(){}
+    public static function instance() {
+        $class = get_called_class();
+        if (!isset(self::$instance[$class])) {
+            self::$instance[$class] = new $class();
+        }
+        return self::$instance[$class];
+    }
+}