diff --git a/src/plugin/admin/app/Util.php b/src/plugin/admin/app/Util.php
index 4a0bcfe..be6109a 100644
--- a/src/plugin/admin/app/Util.php
+++ b/src/plugin/admin/app/Util.php
@@ -17,6 +17,11 @@ class Util
         return Db::connection('plugin.admin.mysql');
     }
 
+    static function schema()
+    {
+        return Db::schema('plugin.admin.mysql');
+    }
+
     static public function passwordVerify($password, $hash)
     {
         return password_verify($password, $hash);
diff --git a/src/plugin/admin/app/controller/auth/AdminRuleController.php b/src/plugin/admin/app/controller/auth/AdminRuleController.php
index d429497..a90ae11 100644
--- a/src/plugin/admin/app/controller/auth/AdminRuleController.php
+++ b/src/plugin/admin/app/controller/auth/AdminRuleController.php
@@ -349,12 +349,10 @@ EOF;
 
 namespace $namespace;
 
-use support\Model;
-
 /**
 $properties
  */
-class $class extends Model
+class $class extends Base
 {
     /**
      * The table associated with the model.
diff --git a/src/plugin/admin/app/controller/database/TableController.php b/src/plugin/admin/app/controller/database/TableController.php
index 7cc2fb8..f3ee5a7 100644
--- a/src/plugin/admin/app/controller/database/TableController.php
+++ b/src/plugin/admin/app/controller/database/TableController.php
@@ -63,7 +63,7 @@ class TableController extends Base
         $table_comment = $data['table']['comment'];
         $columns = $data['columns'];
         $keys = $data['keys'];
-        Util::db()->schema()->create($table_name, function (Blueprint $table) use ($columns) {
+        Util::schema()->create($table_name, function (Blueprint $table) use ($columns) {
             $type_method_map = Util::methodControlMap();
             foreach ($columns as $column) {
                 if (!isset($column['type'])) {
@@ -82,7 +82,7 @@ class TableController extends Base
         Util::db()->statement("ALTER TABLE `$table_name` COMMENT '$table_comment'");
 
         // 索引
-        Util::db()->schema()->table($table_name, function (Blueprint $table) use ($keys) {
+        Util::schema()->table($table_name, function (Blueprint $table) use ($keys) {
             foreach ($keys as $key) {
                 $name = $key['name'];
                 $columns = $key['columns'];
@@ -123,7 +123,7 @@ class TableController extends Base
         // 改表名
         if ($table_name != $old_table_name) {
             Util::checkTableName($table_name);
-            Util::db()->schema()->rename($old_table_name, $table_name);
+            Util::schema()->rename($old_table_name, $table_name);
         }
 
         $old_columns = $this->getSchema($table_name, 'columns');
@@ -156,7 +156,7 @@ class TableController extends Base
         }
 
         $old_columns = $this->getSchema($table_name, 'columns');
-        Util::db()->schema()->table($table_name, function (Blueprint $table) use ($columns, $old_columns, $keys, $table_name) {
+        Util::schema()->table($table_name, function (Blueprint $table) use ($columns, $old_columns, $keys, $table_name) {
             foreach ($columns as $column) {
                 $field = $column['field'];
                 // 新字段
@@ -183,7 +183,7 @@ class TableController extends Base
         }
 
         $old_keys = $this->getSchema($table_name, 'keys');
-        Util::db()->schema()->table($table_name, function (Blueprint $table) use ($keys, $old_keys, $table_name) {
+        Util::schema()->table($table_name, function (Blueprint $table) use ($keys, $old_keys, $table_name) {
             foreach ($keys as $key) {
                 $key_name = $key['name'];
                 $old_key = $old_keys[$key_name] ?? [];
@@ -519,7 +519,7 @@ class TableController extends Base
         if (in_array($table_name, $table_not_allow_drop)) {
             return $this->json(400, "$table_name 不允许删除");
         }
-        Util::db()->schema()->drop($table_name);
+        Util::schema()->drop($table_name);
         // 删除schema
         Util::db()->table('wa_options')->where('name', "table_form_schema_$table_name")->delete();
         return $this->json(0, 'ok');
diff --git a/src/plugin/admin/app/model/Option.php b/src/plugin/admin/app/model/Option.php
index 300682b..97018b0 100644
--- a/src/plugin/admin/app/model/Option.php
+++ b/src/plugin/admin/app/model/Option.php
@@ -2,7 +2,6 @@
 
 namespace plugin\admin\app\model;
 
-use support\Model;
 
 /**
  * @property integer $id (主键)
@@ -11,7 +10,7 @@ use support\Model;
  * @property string $created_at 创建时间
  * @property string $updated_at 更新时间
  */
-class Option extends Model
+class Option extends Base
 {
     /**
      * The table associated with the model.