diff --git a/catch/cms/database/migrations/20201227203533_cms_form_data.php b/catch/cms/database/migrations/20201227203533_cms_form_data.php
index 21050ea79b25c00aa1c68b493f6764fa8ab26940..afee3371701d0cb42ee1a2d95f3b34f04eda5a66 100644
--- a/catch/cms/database/migrations/20201227203533_cms_form_data.php
+++ b/catch/cms/database/migrations/20201227203533_cms_form_data.php
@@ -31,7 +31,7 @@ public function change()
     {
         $table = $this->table('cms_form_data', ['engine' => 'InnoDB', 'collation' => 'utf8mb4_general_ci', 'comment' => '动态提交的表单数据' ,'id' => 'id','signed' => true ,'primary_key' => ['id']]);
         $table->addColumn('form_id', 'integer', ['limit' => MysqlAdapter::INT_REGULAR,'null' => true,'signed' => true,'comment' => '表单ID',])
-			->addColumn('data', 'json', ['null' => false,'signed' => true,'comment' => 'json字段',])
+			->addColumn('data', 'text', ['limit' => MysqlAdapter::TEXT_REGULAR,'null' => false,'signed' => true,'comment' => 'json字段',])
 			->addColumn('user_id', 'integer', ['limit' => MysqlAdapter::INT_REGULAR,'null' => false,'default' => 0,'signed' => true,'comment' => '用户ID',])
 			->addColumn('ip', 'string', ['limit' => 255,'null' => false,'default' => '','signed' => true,'comment' => 'ip 地址',])
 			->addColumn('user_agent', 'string', ['limit' => 255,'null' => false,'default' => '','signed' => true,'comment' => 'agent',])