添加from

src/console/migrations/m160927_104153_users_init.php

@@ -26,7 +26,7 @@ class m160927_104153_users_init extends Migration
             'avatar' => $this->string(128)->notNull()->defaultValue(''),
             'wx_open_id' => $this->string(32)->defaultValue('')->comment('登录微信id'),
             'ip' => $this->string(32)->notNull(),
-            'from' => $this->init()->unsigned()->defaultValue(0)->comment('0 来自注册 其它为某个user_id'),
+            'from' => $this->integer()->unsigned()->defaultValue(0)->comment('0 来自注册 其它为某个user_id'),
             'created_at' => $this->integer()->notNull(),
             'updated_at' => $this->integer()->notNull(),
             'logged_at' => $this->integer()->notNull()